{"title":"Mojave Large (AFLA\/AFLD Series) Parts","description":"\u003ch2 data-section-id=\"1m57qce\" data-start=\"146\" data-end=\"191\"\u003eDometic \/ Atwood AFLA \u0026amp; AFLD Furnace Parts\u003c\/h2\u003e\n\u003cp data-start=\"193\" data-end=\"469\"\u003eLooking for \u003cstrong data-start=\"205\" data-end=\"243\"\u003eDometic AFLA or AFLD furnace parts\u003c\/strong\u003e? This page is your go-to source for replacement parts for \u003cstrong data-start=\"302\" data-end=\"364\"\u003eDometic (formerly Atwood) AFLA and AFLD series RV furnaces\u003c\/strong\u003e—compact, direct discharge heaters built for reliable performance in smaller RVs and camper applications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\"\u003eAFLA Series\u003c\/strong\u003e: AFLA35211, AFLA35221, AFLA35231, AFLA40211, AFLA40221, AFLA40231\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-processed=\"true\"\u003eAFLD Series\u003c\/strong\u003e: AFLD35111, AFLD35121, AFLD35131, AFLD40111, AFLD40121, AFLD40131\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1615\" data-end=\"1618\"\u003e\n\u003ch2 data-section-id=\"1wh2x4q\" data-start=\"1620\" data-end=\"1645\"\u003eImportant Fitment Note\u003c\/h2\u003e\n\u003cp data-start=\"1647\" data-end=\"1837\"\u003eAFLA and AFLD furnaces are part of the \u003cstrong data-start=\"1686\" data-end=\"1721\"\u003eAtwood \/ Dometic furnace family\u003c\/strong\u003e, and some components may overlap with AFSD and AFMD models. Always confirm your exact model number before ordering.\u003c\/p\u003e","products":[{"product_id":"dometic-atwood-33126-furnace-blower-wheel-replaces-37764-with-clamp-for-8500-series","title":"Dometic \/ Atwood 33126 Furnace Blower Wheel – 8500 Series \u0026 AF \/ DF Models","description":"\u003ch2 data-start=\"136\" data-end=\"214\"\u003eDometic \/ Atwood 33126 Furnace Blower Wheel – Replaces 37764 (With Clamp)\u003c\/h2\u003e\n\u003cp data-start=\"215\" data-end=\"253\"\u003e\u003cstrong data-start=\"215\" data-end=\"253\"\u003eIn Stock – Genuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"255\" data-end=\"342\"\u003e\u003cstrong data-start=\"255\" data-end=\"271\"\u003ePart Number:\u003c\/strong\u003e 33126\u003cbr data-start=\"277\" data-end=\"280\"\u003e\u003cstrong data-start=\"280\" data-end=\"293\"\u003eReplaces:\u003c\/strong\u003e 37764\u003cbr data-start=\"299\" data-end=\"302\"\u003e\u003cstrong data-start=\"302\" data-end=\"319\"\u003eProduct Type:\u003c\/strong\u003e Furnace Blower Wheel\u003c\/p\u003e\n\u003chr data-start=\"344\" data-end=\"347\"\u003e\n\u003ch3 data-start=\"349\" data-end=\"369\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"371\" data-end=\"537\"\u003eThe \u003cstrong data-start=\"375\" data-end=\"422\"\u003eDometic \/ Atwood 33126 Furnace Blower Wheel\u003c\/strong\u003e is a genuine OEM replacement designed to restore proper airflow and heating performance in select Atwood furnaces.\u003c\/p\u003e\n\u003cp data-start=\"539\" data-end=\"825\"\u003eThis precision-balanced blower wheel ensures efficient air movement through the combustion chamber and heat exchanger, helping maintain safe furnace operation. Part 33126 \u003cstrong data-start=\"710\" data-end=\"749\"\u003ereplaces obsolete part number 37764\u003c\/strong\u003e and includes the required clamp for secure installation on the motor shaft.\u003c\/p\u003e\n\u003cp data-start=\"827\" data-end=\"968\"\u003eManufactured to original equipment standards, this component is built for durability and dependable performance in demanding RV environments.\u003c\/p\u003e\n\u003chr data-start=\"970\" data-end=\"973\"\u003e\n\u003ch3 data-start=\"975\" data-end=\"991\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"995\" data-end=\"1042\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1045\" data-end=\"1084\"\u003eDirect replacement for part \u003cstrong data-start=\"1073\" data-end=\"1082\"\u003e37764\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1139\"\u003eIncludes clamp for secure motor shaft installation\u003c\/li\u003e\n\u003cli data-start=\"1142\" data-end=\"1190\"\u003eRestores proper airflow and heating efficiency\u003c\/li\u003e\n\u003cli data-start=\"1193\" data-end=\"1241\"\u003ePrecision-balanced for smooth, quiet operation\u003c\/li\u003e\n\u003cli data-start=\"1244\" data-end=\"1288\"\u003eBuilt to original equipment specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1290\" data-end=\"1293\"\u003e\n\u003ch1 data-start=\"1444\" data-end=\"1471\"\u003eCompatible Furnace Models\u003c\/h1\u003e\n\u003chr data-start=\"1473\" data-end=\"1476\"\u003e\n\u003ch2 data-start=\"1478\" data-end=\"1506\"\u003e8500-III \u0026amp; 8500-IV Series\u003c\/h2\u003e\n\u003cp data-start=\"1508\" data-end=\"1528\"\u003e8516-III\u003cbr data-start=\"1516\" data-end=\"1519\"\u003e8516-IV\u003c\/p\u003e\n\u003cp data-start=\"1530\" data-end=\"1550\"\u003e8520-III\u003cbr data-start=\"1538\" data-end=\"1541\"\u003e8520-IV\u003c\/p\u003e\n\u003cp data-start=\"1552\" data-end=\"1572\"\u003e8525-III\u003cbr data-start=\"1560\" data-end=\"1563\"\u003e8525-IV\u003c\/p\u003e\n\u003cp data-start=\"1574\" data-end=\"1594\"\u003e8531-III\u003cbr data-start=\"1582\" data-end=\"1585\"\u003e8531-IV\u003c\/p\u003e\n\u003cp data-start=\"1596\" data-end=\"1616\"\u003e8535-III\u003cbr data-start=\"1604\" data-end=\"1607\"\u003e8535-IV\u003c\/p\u003e\n\u003chr data-start=\"1618\" data-end=\"1621\"\u003e\n\u003ch2 data-start=\"1623\" data-end=\"1637\"\u003eAFMD Series\u003c\/h2\u003e\n\u003cp data-start=\"1639\" data-end=\"1683\"\u003eAFMD16\u003cbr data-start=\"1645\" data-end=\"1648\"\u003eAFMD20\u003cbr data-start=\"1654\" data-end=\"1657\"\u003eAFMD25\u003cbr data-start=\"1663\" data-end=\"1666\"\u003eAFMD30\u003cbr data-start=\"1672\" data-end=\"1675\"\u003eAFMD35\u003c\/p\u003e\n\u003chr data-start=\"1685\" data-end=\"1688\"\u003e\n\u003ch2 data-start=\"1690\" data-end=\"1704\"\u003eAFLA Series\u003c\/h2\u003e\n\u003cp data-start=\"1706\" data-end=\"1723\"\u003eAFLA35\u003cbr data-start=\"1712\" data-end=\"1715\"\u003eAFLA40\u003c\/p\u003e\n\u003chr data-start=\"1725\" data-end=\"1728\"\u003e\n\u003ch2 data-start=\"1730\" data-end=\"1744\"\u003eAFLD Series\u003c\/h2\u003e\n\u003cp data-start=\"1746\" data-end=\"1763\"\u003eAFLD35\u003cbr data-start=\"1752\" data-end=\"1755\"\u003eAFLD40\u003c\/p\u003e\n\u003chr data-start=\"1765\" data-end=\"1768\"\u003e\n\u003ch2 data-start=\"1770\" data-end=\"1784\"\u003eDFLA Series\u003c\/h2\u003e\n\u003cp data-start=\"1786\" data-end=\"1803\"\u003eDFLA35\u003cbr data-start=\"1792\" data-end=\"1795\"\u003eDFLA40\u003c\/p\u003e\n\u003chr data-start=\"1805\" data-end=\"1808\"\u003e\n\u003ch2 data-start=\"1810\" data-end=\"1824\"\u003eDFLD Series\u003c\/h2\u003e\n\u003cp data-start=\"1826\" data-end=\"1843\"\u003eDFLD35\u003cbr data-start=\"1832\" data-end=\"1835\"\u003eDFLD40\u003c\/p\u003e\n\u003chr data-start=\"1845\" data-end=\"1848\"\u003e\n\u003ch2 data-start=\"1850\" data-end=\"1864\"\u003eDFMD Series\u003c\/h2\u003e\n\u003cp data-start=\"1866\" data-end=\"1910\"\u003eDFMD16\u003cbr data-start=\"1872\" data-end=\"1875\"\u003eDFMD20\u003cbr data-start=\"1881\" data-end=\"1884\"\u003eDFMD25\u003cbr data-start=\"1890\" data-end=\"1893\"\u003eDFMD30\u003cbr data-start=\"1899\" data-end=\"1902\"\u003eDFMD35\u003c\/p\u003e\n\u003chr data-start=\"1912\" data-end=\"1915\"\u003e\n\u003ch2 data-start=\"1917\" data-end=\"1932\"\u003eDFMDH Series\u003c\/h2\u003e\n\u003cp data-start=\"1934\" data-end=\"1963\"\u003eDFMDH25\u003cbr data-start=\"1941\" data-end=\"1944\"\u003eDFMDH30\u003cbr data-start=\"1951\" data-end=\"1954\"\u003eDFMDH35\u003c\/p\u003e\n\u003chr data-start=\"1965\" data-end=\"1968\"\u003e\n\u003cblockquote data-start=\"1970\" data-end=\"2028\"\u003e\n\u003cp data-start=\"1972\" data-end=\"2028\"\u003eAlways verify your furnace model number before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1600\" data-end=\"1603\"\u003e\n\u003ch3 data-start=\"1605\" data-end=\"1650\"\u003eWhen Should You Replace the Blower Wheel?\u003c\/h3\u003e\n\u003cp data-start=\"1652\" data-end=\"1712\"\u003eYou may need to replace your blower wheel if you experience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1716\" data-end=\"1742\"\u003eReduced interior airflow\u003c\/li\u003e\n\u003cli data-start=\"1745\" data-end=\"1782\"\u003eInconsistent or weak heating output\u003c\/li\u003e\n\u003cli data-start=\"1785\" data-end=\"1827\"\u003eRattling, squealing, or vibration noises\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1862\"\u003eVisible blade cracks or damage\u003c\/li\u003e\n\u003cli data-start=\"1865\" data-end=\"1905\"\u003eAirflow-related furnace cycling issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1907\" data-end=\"2006\"\u003eReplacing a worn or damaged blower wheel helps prevent overheating and improves furnace efficiency.\u003c\/p\u003e\n\u003chr data-start=\"2008\" data-end=\"2011\"\u003e\n\u003ch3 data-start=\"2013\" data-end=\"2039\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2043\" data-end=\"2079\"\u003e\n\u003cstrong data-start=\"2043\" data-end=\"2060\"\u003eManufacturer:\u003c\/strong\u003e Dometic \/ Atwood\u003c\/li\u003e\n\u003cli data-start=\"2082\" data-end=\"2106\"\u003e\n\u003cstrong data-start=\"2082\" data-end=\"2098\"\u003ePart Number:\u003c\/strong\u003e 33126\u003c\/li\u003e\n\u003cli data-start=\"2109\" data-end=\"2130\"\u003e\n\u003cstrong data-start=\"2109\" data-end=\"2122\"\u003eReplaces:\u003c\/strong\u003e 37764\u003c\/li\u003e\n\u003cli data-start=\"2133\" data-end=\"2173\"\u003e\n\u003cstrong data-start=\"2133\" data-end=\"2150\"\u003eProduct Type:\u003c\/strong\u003e Furnace Blower Wheel\u003c\/li\u003e\n\u003cli data-start=\"2176\" data-end=\"2214\"\u003e\n\u003cstrong data-start=\"2176\" data-end=\"2189\"\u003eIncludes:\u003c\/strong\u003e Blower wheel and clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2278\" data-end=\"2281\"\u003e\n\u003ch2 data-start=\"2283\" data-end=\"2318\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3 data-start=\"2320\" data-end=\"2365\"\u003eQ: What part number does 33126 replace?\u003c\/h3\u003e\n\u003cp data-start=\"2366\" data-end=\"2407\"\u003eA: It replaces OEM part number \u003cstrong data-start=\"2397\" data-end=\"2406\"\u003e37764\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2409\" data-end=\"2412\"\u003e\n\u003ch3 data-start=\"2414\" data-end=\"2451\"\u003eQ: Does this include the clamp?\u003c\/h3\u003e\n\u003cp data-start=\"2452\" data-end=\"2518\"\u003eA: Yes. The clamp is included for proper motor shaft installation.\u003c\/p\u003e\n\u003chr data-start=\"2520\" data-end=\"2523\"\u003e\n\u003ch3 data-start=\"2525\" data-end=\"2577\"\u003eQ: Will this fit earlier 8500 series furnaces?\u003c\/h3\u003e\n\u003cp data-start=\"2578\" data-end=\"2683\"\u003eA: It fits 8500 III, 8500 IV, and 8500 LD models. Verify your exact furnace model number before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2685\" data-end=\"2688\"\u003e\n\u003ch3 data-start=\"2690\" data-end=\"2719\"\u003eQ: Is this an OEM part?\u003c\/h3\u003e\n\u003cp data-start=\"2720\" data-end=\"2789\"\u003eA: Yes. 33126 is a genuine Dometic \/ Atwood replacement blower wheel.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47854623555825,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/33126.png?v=1772304015"},{"product_id":"dometic-atwood-30209-furnace-burner-burner-head-lp-natural-gas-8900-and-afla-afld-series","title":"Dometic \/ Atwood 30209 Furnace Burner – Burner Head (LP \u0026 Natural Gas) - 8900, and AFLA\/AFLD Series","description":"\u003ch2 data-start=\"133\" data-end=\"208\"\u003eDometic \/ Atwood 30209 Furnace Burner – Burner Head (LP \u0026amp; Natural Gas)\u003c\/h2\u003e\n\u003cp data-start=\"209\" data-end=\"236\"\u003e\u003cstrong data-start=\"209\" data-end=\"236\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"238\" data-end=\"399\"\u003e\u003cstrong data-start=\"238\" data-end=\"254\"\u003ePart Number:\u003c\/strong\u003e 30209\u003cbr data-start=\"260\" data-end=\"263\"\u003e\u003cstrong data-start=\"263\" data-end=\"280\"\u003eProduct Type:\u003c\/strong\u003e Furnace Burner Head\u003cbr data-start=\"300\" data-end=\"303\"\u003e\u003cstrong data-start=\"303\" data-end=\"317\"\u003eFuel Type:\u003c\/strong\u003e LP Gas \u0026amp; Natural Gas\u003cbr data-start=\"338\" data-end=\"341\"\u003e\u003cstrong data-start=\"341\" data-end=\"357\"\u003eApplication:\u003c\/strong\u003e Atwood 8900 Series \u0026amp; AFLA\/AFLD Furnaces\u003c\/p\u003e\n\u003chr data-start=\"401\" data-end=\"404\"\u003e\n\u003ch3 data-start=\"406\" data-end=\"426\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"428\" data-end=\"700\"\u003eThe \u003cstrong data-start=\"432\" data-end=\"478\"\u003eDometic \/ Atwood 30209 Furnace Burner Head\u003c\/strong\u003e is a genuine OEM replacement component designed for select \u003cstrong data-start=\"538\" data-end=\"576\"\u003eAtwood LP and Natural Gas furnaces\u003c\/strong\u003e. This burner head is responsible for properly distributing fuel and producing a stable flame within the combustion chamber.\u003c\/p\u003e\n\u003cp data-start=\"702\" data-end=\"967\"\u003eManufactured to original factory specifications, Part 30209 ensures proper fuel combustion, reliable ignition, and safe furnace operation. Replacing a worn, corroded, or clogged burner head helps restore consistent flame characteristics and prevent ignition issues.\u003c\/p\u003e\n\u003cp data-start=\"969\" data-end=\"1105\"\u003eBuilt to withstand high heat and continuous use, this OEM burner head is engineered for long-term durability in RV heating applications.\u003c\/p\u003e\n\u003chr data-start=\"1107\" data-end=\"1110\"\u003e\n\u003ch3 data-start=\"1112\" data-end=\"1128\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1132\" data-end=\"1186\"\u003eGenuine OEM Dometic \/ Atwood replacement burner head\u003c\/li\u003e\n\u003cli data-start=\"1189\" data-end=\"1237\"\u003eDesigned for LP and Natural Gas furnace models\u003c\/li\u003e\n\u003cli data-start=\"1240\" data-end=\"1294\"\u003ePrecision fuel distribution for stable flame pattern\u003c\/li\u003e\n\u003cli data-start=\"1297\" data-end=\"1356\"\u003eHelps restore ignition reliability and heating efficiency\u003c\/li\u003e\n\u003cli data-start=\"1359\" data-end=\"1418\"\u003eDurable construction built for high-temperature operation\u003c\/li\u003e\n\u003cli data-start=\"1421\" data-end=\"1472\"\u003eManufactured to original equipment specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1474\" data-end=\"1477\"\u003e\n\u003ch3 data-start=\"1479\" data-end=\"1508\"\u003eCompatible Furnace Models\u003c\/h3\u003e\n\u003cp data-start=\"1510\" data-end=\"1580\"\u003ePart \u003cstrong data-start=\"1515\" data-end=\"1524\"\u003e30209\u003c\/strong\u003e is compatible with the following Atwood furnace models:\u003c\/p\u003e\n\u003ch4 data-start=\"1582\" data-end=\"1613\"\u003e8900 Series – Generation I\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1616\" data-end=\"1627\"\u003e8935-DC-I\u003c\/li\u003e\n\u003cli data-start=\"1630\" data-end=\"1641\"\u003e8935-AC-I\u003c\/li\u003e\n\u003cli data-start=\"1644\" data-end=\"1655\"\u003e8940-DC-I\u003c\/li\u003e\n\u003cli data-start=\"1658\" data-end=\"1669\"\u003e8940-AC-I\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1671\" data-end=\"1703\"\u003e8900 Series – Generation II\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1706\" data-end=\"1718\"\u003e8935-DC-II\u003c\/li\u003e\n\u003cli data-start=\"1721\" data-end=\"1733\"\u003e8935-AC-II\u003c\/li\u003e\n\u003cli data-start=\"1736\" data-end=\"1748\"\u003e8940-DC-II\u003c\/li\u003e\n\u003cli data-start=\"1751\" data-end=\"1763\"\u003e8940-AC-II\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1765\" data-end=\"1798\"\u003e8900 Series – Generation III\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1801\" data-end=\"1814\"\u003e8935-DC-III\u003c\/li\u003e\n\u003cli data-start=\"1817\" data-end=\"1830\"\u003e8935-AC-III\u003c\/li\u003e\n\u003cli data-start=\"1833\" data-end=\"1846\"\u003e8940-DC-III\u003c\/li\u003e\n\u003cli data-start=\"1849\" data-end=\"1862\"\u003e8940-AC-III\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1864\" data-end=\"1880\"\u003eAFLA Series\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1883\" data-end=\"1894\"\u003eAFLA35211\u003c\/li\u003e\n\u003cli data-start=\"1897\" data-end=\"1908\"\u003eAFLA40211\u003c\/li\u003e\n\u003cli data-start=\"1911\" data-end=\"1922\"\u003eAFLA35221\u003c\/li\u003e\n\u003cli data-start=\"1925\" data-end=\"1936\"\u003eAFLA40221\u003c\/li\u003e\n\u003cli data-start=\"1939\" data-end=\"1950\"\u003eAFLA35231\u003c\/li\u003e\n\u003cli data-start=\"1953\" data-end=\"1964\"\u003eAFLA40231\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1966\" data-end=\"1982\"\u003eAFLD Series\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1985\" data-end=\"1996\"\u003eAFLD35111\u003c\/li\u003e\n\u003cli data-start=\"1999\" data-end=\"2010\"\u003eAFLD40111\u003c\/li\u003e\n\u003cli data-start=\"2013\" data-end=\"2024\"\u003eAFLD35121\u003c\/li\u003e\n\u003cli data-start=\"2027\" data-end=\"2038\"\u003eAFLD40121\u003c\/li\u003e\n\u003cli data-start=\"2041\" data-end=\"2052\"\u003eAFLD35131\u003c\/li\u003e\n\u003cli data-start=\"2055\" data-end=\"2066\"\u003eAFLD40131\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"2068\" data-end=\"2168\"\u003e\n\u003cp data-start=\"2070\" data-end=\"2168\"\u003eAlways verify your furnace model number on the data plate before ordering to ensure compatibility.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"2170\" data-end=\"2173\"\u003e\n\u003ch3 data-start=\"2175\" data-end=\"2219\"\u003eWhen Should You Replace the Burner Head?\u003c\/h3\u003e\n\u003cp data-start=\"2221\" data-end=\"2279\"\u003eYou may need to replace the burner head if you experience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2283\" data-end=\"2301\"\u003eDelayed ignition\u003c\/li\u003e\n\u003cli data-start=\"2304\" data-end=\"2330\"\u003eUneven or unstable flame\u003c\/li\u003e\n\u003cli data-start=\"2333\" data-end=\"2377\"\u003eSoot buildup inside the combustion chamber\u003c\/li\u003e\n\u003cli data-start=\"2380\" data-end=\"2409\"\u003eFurnace failing to stay lit\u003c\/li\u003e\n\u003cli data-start=\"2412\" data-end=\"2464\"\u003eCorrosion or visible damage to the burner assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2466\" data-end=\"2566\"\u003eReplacing a worn burner head restores proper combustion and helps maintain safe furnace performance.\u003c\/p\u003e\n\u003chr data-start=\"2568\" data-end=\"2571\"\u003e\n\u003ch3 data-start=\"2573\" data-end=\"2599\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2603\" data-end=\"2639\"\u003e\n\u003cstrong data-start=\"2603\" data-end=\"2620\"\u003eManufacturer:\u003c\/strong\u003e Dometic \/ Atwood\u003c\/li\u003e\n\u003cli data-start=\"2642\" data-end=\"2666\"\u003e\n\u003cstrong data-start=\"2642\" data-end=\"2658\"\u003ePart Number:\u003c\/strong\u003e 30209\u003c\/li\u003e\n\u003cli data-start=\"2669\" data-end=\"2697\"\u003e\n\u003cstrong data-start=\"2669\" data-end=\"2683\"\u003eComponent:\u003c\/strong\u003e Burner Head\u003c\/li\u003e\n\u003cli data-start=\"2700\" data-end=\"2746\"\u003e\n\u003cstrong data-start=\"2700\" data-end=\"2723\"\u003eFuel Compatibility:\u003c\/strong\u003e LP Gas \u0026amp; Natural Gas\u003c\/li\u003e\n\u003cli data-start=\"2749\" data-end=\"2810\"\u003e\n\u003cstrong data-start=\"2749\" data-end=\"2771\"\u003eCompatible Series:\u003c\/strong\u003e 8900 Series (I, II, III), AFLA, AFLD\u003c\/li\u003e\n\u003cli data-start=\"2813\" data-end=\"2845\"\u003e\n\u003cstrong data-start=\"2813\" data-end=\"2826\"\u003eIncludes:\u003c\/strong\u003e Burner head only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2847\" data-end=\"2850\"\u003e\n\u003ch2 data-start=\"2852\" data-end=\"2887\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3 data-start=\"2889\" data-end=\"2955\"\u003eQ: Is this compatible with both LP and natural gas furnaces?\u003c\/h3\u003e\n\u003cp data-start=\"2956\" data-end=\"3052\"\u003eA: Yes. Part 30209 is designed for select Atwood LP and natural gas furnace models listed above.\u003c\/p\u003e\n\u003chr data-start=\"3054\" data-end=\"3057\"\u003e\n\u003ch3 data-start=\"3059\" data-end=\"3111\"\u003eQ: Does this include the full burner assembly?\u003c\/h3\u003e\n\u003cp data-start=\"3112\" data-end=\"3164\"\u003eA: No. This listing is for the \u003cstrong data-start=\"3143\" data-end=\"3163\"\u003eburner head only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"3166\" data-end=\"3169\"\u003e\n\u003ch3 data-start=\"3171\" data-end=\"3211\"\u003eQ: How do I confirm compatibility?\u003c\/h3\u003e\n\u003cp data-start=\"3212\" data-end=\"3329\"\u003eA: Locate the exact furnace model number on your unit data plate and compare it with the compatibility list provided.\u003c\/p\u003e\n\u003chr data-start=\"3331\" data-end=\"3334\"\u003e\n\u003ch3 data-start=\"3336\" data-end=\"3365\"\u003eQ: Is this an OEM part?\u003c\/h3\u003e\n\u003cp data-start=\"3366\" data-end=\"3432\"\u003eA: Yes. 30209 is a genuine Dometic \/ Atwood replacement component.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47854729036017,"sku":null,"price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/30209.jpg?v=1772308954"},{"product_id":"dometic-atwood-31099-furnace-gas-valve-24-volt-ac-for-afla-series","title":"Dometic \/ Atwood 31099 Furnace Gas Valve – 24 Volt AC for AFLA Series - Special Order","description":"\u003ch2 data-start=\"246\" data-end=\"304\"\u003eDometic \/ Atwood 31099 Furnace Gas Valve – 24 Volt AC\u003c\/h2\u003e\n\u003cp data-start=\"305\" data-end=\"391\"\u003e\u003cstrong data-start=\"305\" data-end=\"361\"\u003eSpecial Order Item (7–14 Business Days for Shipping)\u003c\/strong\u003e\u003cbr data-start=\"361\" data-end=\"364\"\u003e\u003cstrong data-start=\"364\" data-end=\"391\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"393\" data-end=\"528\"\u003e\u003cstrong data-start=\"393\" data-end=\"409\"\u003ePart Number:\u003c\/strong\u003e 31099\u003cbr data-start=\"415\" data-end=\"418\"\u003e\u003cstrong data-start=\"418\" data-end=\"435\"\u003eProduct Type:\u003c\/strong\u003e Furnace Gas Valve\u003cbr data-start=\"453\" data-end=\"456\"\u003e\u003cstrong data-start=\"456\" data-end=\"468\"\u003eVoltage:\u003c\/strong\u003e 24 Volt AC\u003cbr data-start=\"479\" data-end=\"482\"\u003e\u003cstrong data-start=\"482\" data-end=\"498\"\u003eApplication:\u003c\/strong\u003e Atwood AFLA Series Furnaces\u003c\/p\u003e\n\u003chr data-start=\"530\" data-end=\"533\"\u003e\n\u003ch3 data-start=\"535\" data-end=\"555\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"557\" data-end=\"741\"\u003eThe \u003cstrong data-start=\"561\" data-end=\"605\"\u003eDometic \/ Atwood 31099 Furnace Gas Valve\u003c\/strong\u003e is a genuine OEM replacement gas control valve designed for select \u003cstrong data-start=\"673\" data-end=\"704\"\u003eAtwood AFLA series furnaces\u003c\/strong\u003e operating on \u003cstrong data-start=\"718\" data-end=\"740\"\u003e24 Volt AC systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"743\" data-end=\"1061\"\u003eThis gas valve regulates propane flow to the burner assembly and works in coordination with the furnace control system to ensure safe ignition and proper heating operation. Matching the correct voltage is critical — installing the proper 24 Volt AC gas valve restores reliable fuel delivery and combustion performance.\u003c\/p\u003e\n\u003cp data-start=\"1063\" data-end=\"1214\"\u003eManufactured to original equipment specifications, Part 31099 ensures proper fitment and dependable operation in compatible HydroFlame furnace systems.\u003c\/p\u003e\n\u003cp data-start=\"1216\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1216\" data-end=\"1232\"\u003ePlease Note:\u003c\/strong\u003e This is a \u003cem data-start=\"1243\" data-end=\"1258\"\u003eSpecial Order\u003c\/em\u003e item and typically ships within \u003cstrong data-start=\"1291\" data-end=\"1313\"\u003e7–14 business days\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1316\" data-end=\"1319\"\u003e\n\u003ch3 data-start=\"1321\" data-end=\"1337\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1341\" data-end=\"1388\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1391\" data-end=\"1433\"\u003eDesigned for Atwood AFLA series furnaces\u003c\/li\u003e\n\u003cli data-start=\"1436\" data-end=\"1462\"\u003e\u003cstrong data-start=\"1436\" data-end=\"1460\"\u003e24 Volt AC operation\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1465\" data-end=\"1508\"\u003eRegulates propane flow to burner assembly\u003c\/li\u003e\n\u003cli data-start=\"1511\" data-end=\"1561\"\u003eEnsures reliable ignition and combustion control\u003c\/li\u003e\n\u003cli data-start=\"1564\" data-end=\"1603\"\u003eBuilt to original equipment standards\u003c\/li\u003e\n\u003cli data-start=\"1606\" data-end=\"1658\"\u003eSpecial Order item (7–14 business days for shipping)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1660\" data-end=\"1663\"\u003e\n\u003ch3 data-start=\"1551\" data-end=\"1580\"\u003eCompatible Furnace Models\u003c\/h3\u003e\n\u003cp data-start=\"1582\" data-end=\"1637\"\u003ePart \u003cstrong data-start=\"1587\" data-end=\"1596\"\u003e31099\u003c\/strong\u003e is compatible with the following models:\u003c\/p\u003e\n\u003cp data-start=\"1639\" data-end=\"1654\"\u003e\u003cstrong data-start=\"1639\" data-end=\"1654\"\u003eAFLA Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1657\" data-end=\"1668\"\u003eAFLA35211\u003c\/li\u003e\n\u003cli data-start=\"1671\" data-end=\"1682\"\u003eAFLA40211\u003c\/li\u003e\n\u003cli data-start=\"1685\" data-end=\"1696\"\u003eAFLA35221\u003c\/li\u003e\n\u003cli data-start=\"1699\" data-end=\"1710\"\u003eAFLA40221\u003c\/li\u003e\n\u003cli data-start=\"1713\" data-end=\"1724\"\u003eAFLA35231\u003c\/li\u003e\n\u003cli data-start=\"1727\" data-end=\"1738\"\u003eAFLA40231\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1740\" data-end=\"1755\"\u003e\u003cstrong data-start=\"1740\" data-end=\"1755\"\u003eDFLA Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1758\" data-end=\"1769\"\u003eDFLA35211\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1783\"\u003eDFLA35221\u003c\/li\u003e\n\u003cli data-start=\"1786\" data-end=\"1797\"\u003eDFLA35231\u003c\/li\u003e\n\u003cli data-start=\"1800\" data-end=\"1811\"\u003eDFLA40211\u003c\/li\u003e\n\u003cli data-start=\"1814\" data-end=\"1825\"\u003eDFLA40221\u003c\/li\u003e\n\u003cli data-start=\"1828\" data-end=\"1839\"\u003eDFLA40231\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"1841\" data-end=\"2035\"\u003e\n\u003cp data-start=\"1843\" data-end=\"2035\"\u003eImportant: Always verify your furnace model number and confirm your system operates on \u003cstrong data-start=\"1930\" data-end=\"1944\"\u003e24 Volt AC\u003c\/strong\u003e before ordering. Installing the incorrect voltage gas valve will prevent proper operation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"2040\" data-end=\"2043\"\u003e\n\u003ch3 data-start=\"2045\" data-end=\"2087\"\u003eWhen Should You Replace the Gas Valve?\u003c\/h3\u003e\n\u003cp data-start=\"2089\" data-end=\"2145\"\u003eYou may need to replace the gas valve if you experience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2149\" data-end=\"2190\"\u003eFurnace ignition attempts without flame\u003c\/li\u003e\n\u003cli data-start=\"2193\" data-end=\"2216\"\u003eNo gas flow to burner\u003c\/li\u003e\n\u003cli data-start=\"2219\" data-end=\"2257\"\u003eIntermittent or inconsistent heating\u003c\/li\u003e\n\u003cli data-start=\"2260\" data-end=\"2304\"\u003eConfirmed electrical failure of valve coil\u003c\/li\u003e\n\u003cli data-start=\"2307\" data-end=\"2347\"\u003eInternal sticking or suspected leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2349\" data-end=\"2450\"\u003eGas valves are critical safety components and must match the voltage and model specification exactly.\u003c\/p\u003e\n\u003chr data-start=\"2452\" data-end=\"2455\"\u003e\n\u003ch3 data-start=\"2457\" data-end=\"2483\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2487\" data-end=\"2523\"\u003e\n\u003cstrong data-start=\"2487\" data-end=\"2504\"\u003eManufacturer:\u003c\/strong\u003e Dometic \/ Atwood\u003c\/li\u003e\n\u003cli data-start=\"2526\" data-end=\"2550\"\u003e\n\u003cstrong data-start=\"2526\" data-end=\"2542\"\u003ePart Number:\u003c\/strong\u003e 31099\u003c\/li\u003e\n\u003cli data-start=\"2553\" data-end=\"2587\"\u003e\n\u003cstrong data-start=\"2553\" data-end=\"2567\"\u003eComponent:\u003c\/strong\u003e Furnace Gas Valve\u003c\/li\u003e\n\u003cli data-start=\"2590\" data-end=\"2615\"\u003e\n\u003cstrong data-start=\"2590\" data-end=\"2602\"\u003eVoltage:\u003c\/strong\u003e 24 Volt AC\u003c\/li\u003e\n\u003cli data-start=\"2618\" data-end=\"2647\"\u003e\n\u003cstrong data-start=\"2618\" data-end=\"2640\"\u003eCompatible Series:\u003c\/strong\u003e AFLA\u003c\/li\u003e\n\u003cli data-start=\"2650\" data-end=\"2679\"\u003e\n\u003cstrong data-start=\"2650\" data-end=\"2664\"\u003eFuel Type:\u003c\/strong\u003e Propane (LP)\u003c\/li\u003e\n\u003cli data-start=\"2682\" data-end=\"2721\"\u003e\n\u003cstrong data-start=\"2682\" data-end=\"2695\"\u003eIncludes:\u003c\/strong\u003e Gas valve assembly only\u003c\/li\u003e\n\u003cli data-start=\"2724\" data-end=\"2778\"\u003e\n\u003cstrong data-start=\"2724\" data-end=\"2741\"\u003eAvailability:\u003c\/strong\u003e \u003cem data-start=\"2742\" data-end=\"2778\"\u003eSpecial Order – 7–14 Business Days\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2780\" data-end=\"2783\"\u003e\n\u003ch2 data-start=\"2785\" data-end=\"2820\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3 data-start=\"2822\" data-end=\"2871\"\u003eQ: What voltage does Part 31099 operate on?\u003c\/h3\u003e\n\u003cp data-start=\"2872\" data-end=\"2913\"\u003eA: It operates on \u003cstrong data-start=\"2890\" data-end=\"2904\"\u003e24 Volt AC\u003c\/strong\u003e systems.\u003c\/p\u003e\n\u003chr data-start=\"2915\" data-end=\"2918\"\u003e\n\u003ch3 data-start=\"2920\" data-end=\"2969\"\u003eQ: Which furnace models use this gas valve?\u003c\/h3\u003e\n\u003cp data-start=\"2970\" data-end=\"3071\"\u003eA: It is compatible with AFLA35211, AFLA40211, AFLA35221, AFLA40221, AFLA35231, and AFLA40231 models.\u003c\/p\u003e\n\u003chr data-start=\"3073\" data-end=\"3076\"\u003e\n\u003ch3 data-start=\"3078\" data-end=\"3126\"\u003eQ: Is this compatible with 12V DC systems?\u003c\/h3\u003e\n\u003cp data-start=\"3127\" data-end=\"3214\"\u003eA: No. This is a 24V AC gas valve. Always confirm your furnace voltage before ordering.\u003c\/p\u003e\n\u003chr data-start=\"3216\" data-end=\"3219\"\u003e\n\u003ch3 data-start=\"3221\" data-end=\"3263\"\u003eQ: Why is this marked Special Order?\u003c\/h3\u003e\n\u003cp data-start=\"3264\" data-end=\"3418\"\u003eA: This component is not typically stocked for immediate shipment and must be ordered from the distributor. Estimated delivery time is 7–14 business days.\u003c\/p\u003e\n\u003chr data-start=\"3420\" data-end=\"3423\"\u003e\n\u003ch3 data-start=\"3425\" data-end=\"3454\"\u003eQ: Is this an OEM part?\u003c\/h3\u003e\n\u003cp data-start=\"3455\" data-end=\"3526\"\u003eA: Yes. Part 31099 is a genuine Dometic \/ Atwood replacement component.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47854737129713,"sku":null,"price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/31099.jpg?v=1772311734"},{"product_id":"dometic-atwood-32172-furnace-gasket-dsi-ignition-models","title":"Dometic \/ Atwood 32172 Furnace Gasket – DSI Ignition Models","description":"\u003ch2 data-start=\"166\" data-end=\"230\"\u003eDometic \/ Atwood 32172 Furnace Gasket – DSI Ignition Models\u003c\/h2\u003e\n\u003cp data-start=\"231\" data-end=\"258\"\u003e\u003cstrong data-start=\"231\" data-end=\"258\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"260\" data-end=\"372\"\u003e\u003cstrong data-start=\"260\" data-end=\"276\"\u003ePart Number:\u003c\/strong\u003e 32172\u003cbr data-start=\"282\" data-end=\"285\"\u003e\u003cstrong data-start=\"285\" data-end=\"302\"\u003eProduct Type:\u003c\/strong\u003e Furnace Gasket\u003cbr data-start=\"317\" data-end=\"320\"\u003e\u003cstrong data-start=\"320\" data-end=\"336\"\u003eApplication:\u003c\/strong\u003e Atwood Furnaces with DSI Ignition\u003c\/p\u003e\n\u003chr data-start=\"374\" data-end=\"377\"\u003e\n\u003ch3 data-start=\"379\" data-end=\"399\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"401\" data-end=\"575\"\u003eThe \u003cstrong data-start=\"405\" data-end=\"446\"\u003eDometic \/ Atwood 32172 Furnace Gasket\u003c\/strong\u003e is a genuine OEM replacement gasket designed for use with \u003cstrong data-start=\"505\" data-end=\"566\"\u003eAtwood furnaces equipped with DSI (Direct Spark Ignition)\u003c\/strong\u003e systems.\u003c\/p\u003e\n\u003cp data-start=\"577\" data-end=\"863\"\u003eThis gasket provides a secure seal between key furnace components, helping maintain proper combustion airflow and preventing air leakage within the burner chamber area. Maintaining an intact seal is critical for efficient ignition, correct flame performance, and safe furnace operation.\u003c\/p\u003e\n\u003cp data-start=\"865\" data-end=\"1058\"\u003eOver time, gaskets can deteriorate due to heat cycling and vibration. Replacing a worn or damaged gasket with OEM Part 32172 restores proper sealing and supports consistent furnace performance.\u003c\/p\u003e\n\u003cp data-start=\"1060\" data-end=\"1206\"\u003eManufactured to original equipment specifications, this gasket ensures correct fitment and durability in high-temperature RV heating applications.\u003c\/p\u003e\n\u003chr data-start=\"1208\" data-end=\"1211\"\u003e\n\u003ch3 data-start=\"1213\" data-end=\"1229\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1233\" data-end=\"1280\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1283\" data-end=\"1331\"\u003eDesigned for Atwood furnaces with DSI ignition\u003c\/li\u003e\n\u003cli data-start=\"1334\" data-end=\"1376\"\u003eMaintains proper combustion chamber seal\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1432\"\u003ePrevents air leakage affecting ignition performance\u003c\/li\u003e\n\u003cli data-start=\"1435\" data-end=\"1464\"\u003eHeat-resistant construction\u003c\/li\u003e\n\u003cli data-start=\"1467\" data-end=\"1513\"\u003eManufactured to original equipment standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1515\" data-end=\"1518\"\u003e\n\u003ch3 data-start=\"1520\" data-end=\"1547\"\u003eCompatible Applications\u003c\/h3\u003e\n\u003cp data-start=\"1549\" data-end=\"1653\"\u003ePart \u003cstrong data-start=\"1554\" data-end=\"1563\"\u003e32172\u003c\/strong\u003e is compatible with \u003cstrong data-start=\"1583\" data-end=\"1652\"\u003eAtwood furnaces equipped with DSI (Direct Spark Ignition) systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cblockquote data-start=\"1655\" data-end=\"1844\"\u003e\n\u003cp data-start=\"1657\" data-end=\"1844\"\u003eImportant: Always verify your furnace ignition type before ordering. This gasket is designed specifically for DSI-equipped models and may not fit standing pilot or gravity-style furnaces.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp data-start=\"1846\" data-end=\"1888\"\u003eCommon DSI-equipped series include select:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1891\" data-end=\"1902\"\u003e79 Series\u003c\/li\u003e\n\u003cli data-start=\"1905\" data-end=\"1916\"\u003e80 Series\u003c\/li\u003e\n\u003cli data-start=\"1919\" data-end=\"1930\"\u003e85 Series\u003c\/li\u003e\n\u003cli data-start=\"1933\" data-end=\"1944\"\u003e89 Series\u003c\/li\u003e\n\u003cli data-start=\"1947\" data-end=\"1965\"\u003eDF Series models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1967\" data-end=\"2038\"\u003eAlways confirm your exact furnace model number to ensure compatibility.\u003c\/p\u003e\n\u003chr data-start=\"2040\" data-end=\"2043\"\u003e\n\u003ch3 data-start=\"2045\" data-end=\"2084\"\u003eWhen Should You Replace the Gasket?\u003c\/h3\u003e\n\u003cp data-start=\"2086\" data-end=\"2135\"\u003eYou may need to replace the gasket if you notice:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2139\" data-end=\"2166\"\u003eRepeated ignition failure\u003c\/li\u003e\n\u003cli data-start=\"2169\" data-end=\"2201\"\u003eImproper flame characteristics\u003c\/li\u003e\n\u003cli data-start=\"2204\" data-end=\"2240\"\u003eAir leakage around burner assembly\u003c\/li\u003e\n\u003cli data-start=\"2243\" data-end=\"2283\"\u003eVisible cracking or compression damage\u003c\/li\u003e\n\u003cli data-start=\"2286\" data-end=\"2331\"\u003eFurnace service requiring component removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2333\" data-end=\"2426\"\u003eReplacing the gasket during routine burner service is recommended to maintain proper sealing.\u003c\/p\u003e\n\u003chr data-start=\"2428\" data-end=\"2431\"\u003e\n\u003ch3 data-start=\"2433\" data-end=\"2459\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2463\" data-end=\"2499\"\u003e\n\u003cstrong data-start=\"2463\" data-end=\"2480\"\u003eManufacturer:\u003c\/strong\u003e Dometic \/ Atwood\u003c\/li\u003e\n\u003cli data-start=\"2502\" data-end=\"2526\"\u003e\n\u003cstrong data-start=\"2502\" data-end=\"2518\"\u003ePart Number:\u003c\/strong\u003e 32172\u003c\/li\u003e\n\u003cli data-start=\"2529\" data-end=\"2560\"\u003e\n\u003cstrong data-start=\"2529\" data-end=\"2543\"\u003eComponent:\u003c\/strong\u003e Furnace Gasket\u003c\/li\u003e\n\u003cli data-start=\"2563\" data-end=\"2610\"\u003e\n\u003cstrong data-start=\"2563\" data-end=\"2579\"\u003eApplication:\u003c\/strong\u003e Atwood DSI Ignition Furnaces\u003c\/li\u003e\n\u003cli data-start=\"2613\" data-end=\"2659\"\u003e\n\u003cstrong data-start=\"2613\" data-end=\"2626\"\u003eMaterial:\u003c\/strong\u003e Heat-resistant gasket material\u003c\/li\u003e\n\u003cli data-start=\"2662\" data-end=\"2689\"\u003e\n\u003cstrong data-start=\"2662\" data-end=\"2675\"\u003eIncludes:\u003c\/strong\u003e Gasket only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2691\" data-end=\"2694\"\u003e\n\u003ch2 data-start=\"2696\" data-end=\"2731\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3 data-start=\"2733\" data-end=\"2761\"\u003eQ: What does DSI mean?\u003c\/h3\u003e\n\u003cp data-start=\"2762\" data-end=\"2898\"\u003eA: DSI stands for Direct Spark Ignition, meaning the furnace ignites the burner electronically rather than using a standing pilot light.\u003c\/p\u003e\n\u003chr data-start=\"2900\" data-end=\"2903\"\u003e\n\u003ch3 data-start=\"2905\" data-end=\"2955\"\u003eQ: Will this fit pilot-light style furnaces?\u003c\/h3\u003e\n\u003cp data-start=\"2956\" data-end=\"3024\"\u003eA: No. This gasket is designed specifically for DSI ignition models.\u003c\/p\u003e\n\u003chr data-start=\"3026\" data-end=\"3029\"\u003e\n\u003ch3 data-start=\"3031\" data-end=\"3060\"\u003eQ: Is this an OEM part?\u003c\/h3\u003e\n\u003cp data-start=\"3061\" data-end=\"3127\"\u003eA: Yes. 32172 is a genuine Dometic \/ Atwood replacement component.\u003c\/p\u003e\n\u003chr data-start=\"3129\" data-end=\"3132\"\u003e\n\u003ch3 data-start=\"3134\" data-end=\"3182\"\u003eQ: When should I replace a furnace gasket?\u003c\/h3\u003e\n\u003cp data-start=\"3183\" data-end=\"3308\"\u003eA: Gaskets should be replaced whenever removed during service or if they show signs of wear, cracking, or heat deterioration.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47854737883377,"sku":null,"price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/32172.png?v=1772312027"},{"product_id":"dometic-atwood-31091-furnace-limit-switch","title":"Dometic \/ Atwood 31091 Furnace Limit Switch","description":"\u003ch2 data-start=\"211\" data-end=\"259\"\u003eDometic \/ Atwood 31091 Furnace Limit Switch\u003c\/h2\u003e\n\u003cp data-start=\"260\" data-end=\"287\"\u003e\u003cstrong data-start=\"260\" data-end=\"287\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"289\" data-end=\"402\"\u003e\u003cstrong data-start=\"289\" data-end=\"305\"\u003ePart Number:\u003c\/strong\u003e 31091\u003cbr data-start=\"311\" data-end=\"314\"\u003e\u003cstrong data-start=\"314\" data-end=\"331\"\u003eProduct Type:\u003c\/strong\u003e Furnace Limit Switch\u003cbr data-start=\"352\" data-end=\"355\"\u003e\u003cstrong data-start=\"355\" data-end=\"371\"\u003eApplication:\u003c\/strong\u003e Atwood \u0026amp; Dometic RV Furnaces\u003c\/p\u003e\n\u003chr data-start=\"404\" data-end=\"407\"\u003e\n\u003ch3 data-start=\"409\" data-end=\"429\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"431\" data-end=\"718\"\u003eThe \u003cstrong data-start=\"435\" data-end=\"482\"\u003eDometic \/ Atwood 31091 Furnace Limit Switch\u003c\/strong\u003e is a genuine OEM safety component designed to protect your RV furnace from overheating. The limit switch monitors internal furnace temperature and automatically shuts off the burner circuit if temperatures exceed safe operating limits.\u003c\/p\u003e\n\u003cp data-start=\"720\" data-end=\"955\"\u003eIf your furnace is cycling improperly, shutting down unexpectedly, or failing to stay lit, a faulty limit switch may be the cause. Replacing it with OEM Part 31091 restores safe operation and prevents potential heat damage to the unit.\u003c\/p\u003e\n\u003cp data-start=\"957\" data-end=\"1153\"\u003eManufactured to original equipment specifications, this high-limit switch ensures accurate temperature response and dependable performance across a wide range of Atwood and Dometic furnace models.\u003c\/p\u003e\n\u003chr data-start=\"1155\" data-end=\"1158\"\u003e\n\u003ch3 data-start=\"1160\" data-end=\"1176\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1180\" data-end=\"1227\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1230\" data-end=\"1256\"\u003eHigh-limit safety switch\u003c\/li\u003e\n\u003cli data-start=\"1259\" data-end=\"1289\"\u003eProtects against overheating\u003c\/li\u003e\n\u003cli data-start=\"1292\" data-end=\"1356\"\u003eAutomatically interrupts burner circuit at unsafe temperatures\u003c\/li\u003e\n\u003cli data-start=\"1359\" data-end=\"1401\"\u003eDirect OEM replacement for listed models\u003c\/li\u003e\n\u003cli data-start=\"1404\" data-end=\"1443\"\u003eBuilt to original equipment standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1445\" data-end=\"1448\"\u003e\n\u003ch2 data-start=\"1450\" data-end=\"1478\"\u003eCompatible Furnace Models\u003c\/h2\u003e\n\u003cp data-start=\"1480\" data-end=\"1543\"\u003ePart \u003cstrong data-start=\"1485\" data-end=\"1494\"\u003e31091\u003c\/strong\u003e is compatible with the following furnace series:\u003c\/p\u003e\n\u003chr data-start=\"1545\" data-end=\"1548\"\u003e\n\u003ch3 data-start=\"1550\" data-end=\"1565\"\u003eAFLA Series\u003c\/h3\u003e\n\u003cp data-start=\"1566\" data-end=\"1637\"\u003eAFLA35211\u003cbr data-start=\"1575\" data-end=\"1578\"\u003eAFLA35221\u003cbr data-start=\"1587\" data-end=\"1590\"\u003eAFLA35231\u003cbr data-start=\"1599\" data-end=\"1602\"\u003eAFLA40211\u003cbr data-start=\"1611\" data-end=\"1614\"\u003eAFLA40221\u003cbr data-start=\"1623\" data-end=\"1626\"\u003eAFLA40231\u003c\/p\u003e\n\u003chr data-start=\"1639\" data-end=\"1642\"\u003e\n\u003ch3 data-start=\"1644\" data-end=\"1659\"\u003eAFLD Series\u003c\/h3\u003e\n\u003cp data-start=\"1660\" data-end=\"1731\"\u003eAFLD35111\u003cbr data-start=\"1669\" data-end=\"1672\"\u003eAFLD35121\u003cbr data-start=\"1681\" data-end=\"1684\"\u003eAFLD35131\u003cbr data-start=\"1693\" data-end=\"1696\"\u003eAFLD40111\u003cbr data-start=\"1705\" data-end=\"1708\"\u003eAFLD40121\u003cbr data-start=\"1717\" data-end=\"1720\"\u003eAFLD40131\u003c\/p\u003e\n\u003chr data-start=\"1733\" data-end=\"1736\"\u003e\n\u003ch3 data-start=\"1738\" data-end=\"1753\"\u003eAFMD Series\u003c\/h3\u003e\n\u003cp data-start=\"1754\" data-end=\"2033\"\u003eAFMD16111, AFMD16121, AFMD16131, AFMD16141, AFMD16151\u003cbr data-start=\"1807\" data-end=\"1810\"\u003eAFMD20111, AFMD20121, AFMD20131, AFMD20141, AFMD20151\u003cbr data-start=\"1863\" data-end=\"1866\"\u003eAFMD25111, AFMD25121, AFMD25131, AFMD25141, AFMD25151\u003cbr data-start=\"1919\" data-end=\"1922\"\u003eAFMD30111, AFMD30121, AFMD30131, AFMD30141, AFMD30151\u003cbr data-start=\"1975\" data-end=\"1978\"\u003eAFMD35111, AFMD35121, AFMD35131, AFMD35141, AFMD35151\u003c\/p\u003e\n\u003chr data-start=\"2035\" data-end=\"2038\"\u003e\n\u003ch3 data-start=\"2040\" data-end=\"2056\"\u003eAFSAD Series\u003c\/h3\u003e\n\u003cp data-start=\"2057\" data-end=\"2108\"\u003eAFSAD12111\u003cbr data-start=\"2067\" data-end=\"2070\"\u003eAFSAD12121\u003cbr data-start=\"2080\" data-end=\"2083\"\u003eAFSAD12131\u003cbr data-start=\"2093\" data-end=\"2096\"\u003eAFSAD12141\u003c\/p\u003e\n\u003chr data-start=\"2110\" data-end=\"2113\"\u003e\n\u003ch3 data-start=\"2115\" data-end=\"2130\"\u003eAFSD Series\u003c\/h3\u003e\n\u003cp data-start=\"2131\" data-end=\"2265\"\u003eAFSD12111, AFSD12121, AFSD12131, AFSD12141\u003cbr data-start=\"2173\" data-end=\"2176\"\u003eAFSD16111, AFSD16121, AFSD16131, AFSD16141\u003cbr data-start=\"2218\" data-end=\"2221\"\u003eAFSD20111, AFSD20121, AFSD20131, AFSD20141\u003c\/p\u003e\n\u003chr data-start=\"2267\" data-end=\"2270\"\u003e\n\u003ch3 data-start=\"2272\" data-end=\"2288\"\u003eAFSDA Series\u003c\/h3\u003e\n\u003cp data-start=\"2289\" data-end=\"2301\"\u003eAFSDA12121\u003c\/p\u003e\n\u003chr data-start=\"2303\" data-end=\"2306\"\u003e\n\u003ch3 data-start=\"2308\" data-end=\"2323\"\u003eDFLA Series\u003c\/h3\u003e\n\u003cp data-start=\"2324\" data-end=\"2395\"\u003eDFLA35211\u003cbr data-start=\"2333\" data-end=\"2336\"\u003eDFLA35221\u003cbr data-start=\"2345\" data-end=\"2348\"\u003eDFLA35231\u003cbr data-start=\"2357\" data-end=\"2360\"\u003eDFLA40211\u003cbr data-start=\"2369\" data-end=\"2372\"\u003eDFLA40221\u003cbr data-start=\"2381\" data-end=\"2384\"\u003eDFLA40231\u003c\/p\u003e\n\u003chr data-start=\"2397\" data-end=\"2400\"\u003e\n\u003ch3 data-start=\"2402\" data-end=\"2417\"\u003eDFLD Series\u003c\/h3\u003e\n\u003cp data-start=\"2418\" data-end=\"2489\"\u003eDFLD35111\u003cbr data-start=\"2427\" data-end=\"2430\"\u003eDFLD35121\u003cbr data-start=\"2439\" data-end=\"2442\"\u003eDFLD35131\u003cbr data-start=\"2451\" data-end=\"2454\"\u003eDFLD40111\u003cbr data-start=\"2463\" data-end=\"2466\"\u003eDFLD40121\u003cbr data-start=\"2475\" data-end=\"2478\"\u003eDFLD40131\u003c\/p\u003e\n\u003chr data-start=\"2491\" data-end=\"2494\"\u003e\n\u003ch3 data-start=\"2496\" data-end=\"2511\"\u003eDFMD Series\u003c\/h3\u003e\n\u003cp data-start=\"2512\" data-end=\"2791\"\u003eDFMD16111, DFMD16121, DFMD16131, DFMD16141, DFMD16151\u003cbr data-start=\"2565\" data-end=\"2568\"\u003eDFMD20111, DFMD20121, DFMD20131, DFMD20141, DFMD20151\u003cbr data-start=\"2621\" data-end=\"2624\"\u003eDFMD25111, DFMD25121, DFMD25131, DFMD25141, DFMD25151\u003cbr data-start=\"2677\" data-end=\"2680\"\u003eDFMD30111, DFMD30121, DFMD30131, DFMD30141, DFMD30151\u003cbr data-start=\"2733\" data-end=\"2736\"\u003eDFMD35111, DFMD35121, DFMD35131, DFMD35141, DFMD35151\u003c\/p\u003e\n\u003chr data-start=\"2793\" data-end=\"2796\"\u003e\n\u003ch3 data-start=\"2798\" data-end=\"2814\"\u003eDFMDH Series\u003c\/h3\u003e\n\u003cp data-start=\"2815\" data-end=\"2892\"\u003eDFMDH25111\u003cbr data-start=\"2825\" data-end=\"2828\"\u003eDFMDH25121\u003cbr data-start=\"2838\" data-end=\"2841\"\u003eDFMDH30111\u003cbr data-start=\"2851\" data-end=\"2854\"\u003eDFMDH30121\u003cbr data-start=\"2864\" data-end=\"2867\"\u003eDFMDH35111\u003cbr data-start=\"2877\" data-end=\"2880\"\u003eDFMDH35121\u003c\/p\u003e\n\u003chr data-start=\"2894\" data-end=\"2897\"\u003e\n\u003ch3 data-start=\"2899\" data-end=\"2915\"\u003eDFSAD Series\u003c\/h3\u003e\n\u003cp data-start=\"2916\" data-end=\"2967\"\u003eDFSAD12111\u003cbr data-start=\"2926\" data-end=\"2929\"\u003eDFSAD12121\u003cbr data-start=\"2939\" data-end=\"2942\"\u003eDFSAD12131\u003cbr data-start=\"2952\" data-end=\"2955\"\u003eDFSAD12141\u003c\/p\u003e\n\u003chr data-start=\"2969\" data-end=\"2972\"\u003e\n\u003ch3 data-start=\"2974\" data-end=\"2989\"\u003eDFSD Series\u003c\/h3\u003e\n\u003cp data-start=\"2990\" data-end=\"3124\"\u003eDFSD12111, DFSD12121, DFSD12131, DFSD12141\u003cbr data-start=\"3032\" data-end=\"3035\"\u003eDFSD16111, DFSD16121, DFSD16131, DFSD16141\u003cbr data-start=\"3077\" data-end=\"3080\"\u003eDFSD20111, DFSD20121, DFSD20131, DFSD20141\u003c\/p\u003e\n\u003chr data-start=\"3126\" data-end=\"3129\"\u003e\n\u003ch3 data-start=\"3131\" data-end=\"3147\"\u003eDFSDH Series\u003c\/h3\u003e\n\u003cp data-start=\"3148\" data-end=\"3173\"\u003eDFSDH20111\u003cbr data-start=\"3158\" data-end=\"3161\"\u003eDFSDH20121\u003c\/p\u003e\n\u003chr data-start=\"3175\" data-end=\"3178\"\u003e\n\u003cblockquote data-start=\"3180\" data-end=\"3262\"\u003e\n\u003cp data-start=\"3182\" data-end=\"3262\"\u003eAlways verify your furnace model number before ordering to ensure compatibility.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"3264\" data-end=\"3267\"\u003e\n\u003ch2 data-start=\"3269\" data-end=\"3313\"\u003eWhen Should You Replace the Limit Switch?\u003c\/h2\u003e\n\u003cp data-start=\"3315\" data-end=\"3370\"\u003eYou may need to replace the limit switch if you notice:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"3374\" data-end=\"3420\"\u003eFurnace shutting down shortly after ignition\u003c\/li\u003e\n\u003cli data-start=\"3423\" data-end=\"3471\"\u003eFurnace blower running but no burner operation\u003c\/li\u003e\n\u003cli data-start=\"3474\" data-end=\"3498\"\u003eRepeated short cycling\u003c\/li\u003e\n\u003cli data-start=\"3501\" data-end=\"3555\"\u003eDiagnostic testing confirms failed high-limit switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3557\" data-end=\"3661\"\u003eThe limit switch is a critical safety device and should be replaced with an OEM specification component.\u003c\/p\u003e\n\u003chr data-start=\"3663\" data-end=\"3666\"\u003e\n\u003ch3 data-start=\"3668\" data-end=\"3694\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"3698\" data-end=\"3734\"\u003e\n\u003cstrong data-start=\"3698\" data-end=\"3715\"\u003eManufacturer:\u003c\/strong\u003e Dometic \/ Atwood\u003c\/li\u003e\n\u003cli data-start=\"3737\" data-end=\"3761\"\u003e\n\u003cstrong data-start=\"3737\" data-end=\"3753\"\u003ePart Number:\u003c\/strong\u003e 31091\u003c\/li\u003e\n\u003cli data-start=\"3764\" data-end=\"3798\"\u003e\n\u003cstrong data-start=\"3764\" data-end=\"3778\"\u003eComponent:\u003c\/strong\u003e High-Limit Switch\u003c\/li\u003e\n\u003cli data-start=\"3801\" data-end=\"3836\"\u003e\n\u003cstrong data-start=\"3801\" data-end=\"3814\"\u003eFunction:\u003c\/strong\u003e Overheat protection\u003c\/li\u003e\n\u003cli data-start=\"3839\" data-end=\"3913\"\u003e\n\u003cstrong data-start=\"3839\" data-end=\"3855\"\u003eApplication:\u003c\/strong\u003e Compatible Atwood \u0026amp; Dometic furnace models listed above\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3915\" data-end=\"3918\"\u003e\n\u003ch2 data-start=\"3920\" data-end=\"3955\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3 data-start=\"3957\" data-end=\"4002\"\u003eQ: What does a furnace limit switch do?\u003c\/h3\u003e\n\u003cp data-start=\"4003\" data-end=\"4118\"\u003eA: It protects the furnace from overheating by shutting off the burner if internal temperatures exceed safe limits.\u003c\/p\u003e\n\u003chr data-start=\"4120\" data-end=\"4123\"\u003e\n\u003ch3 data-start=\"4125\" data-end=\"4191\"\u003eQ: Will a bad limit switch cause the furnace to short cycle?\u003c\/h3\u003e\n\u003cp data-start=\"4192\" data-end=\"4293\"\u003eA: Yes. A faulty or weak limit switch can cause repeated cycling or shutdowns shortly after ignition.\u003c\/p\u003e\n\u003chr data-start=\"4295\" data-end=\"4298\"\u003e\n\u003ch3 data-start=\"4300\" data-end=\"4346\"\u003eQ: Is this an OEM Dometic \/ Atwood part?\u003c\/h3\u003e\n\u003cp data-start=\"4347\" data-end=\"4405\"\u003eA: Yes. Part 31091 is a genuine OEM replacement component.\u003c\/p\u003e\n\u003chr data-start=\"4407\" data-end=\"4410\"\u003e\n\u003ch3 data-start=\"4412\" data-end=\"4466\"\u003eQ: Does this fit both AF and DF series furnaces?\u003c\/h3\u003e\n\u003cp data-start=\"4467\" data-end=\"4567\"\u003eA: Yes. It fits compatible AFLA, AFMD, AFSD, DFMD, DFSD, DFLA, DFLD and related series listed above.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47854744338673,"sku":null,"price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/31091.png?v=1772312346"},{"product_id":"dometic-atwood-36165-furnace-low-air-flow-switch-sail-switch-afmd-afla-afld-dfmd-dfla-dfld","title":"Dometic \/ Atwood 36165 Furnace Low Air Flow Switch (Sail Switch) - AFMD, AFLA, AFLD, DFMD, DFLA, DFLD","description":"\u003ch2 data-start=\"192\" data-end=\"261\"\u003eDometic \/ Atwood 36165 Furnace Low Air Flow Switch (Sail Switch)\u003c\/h2\u003e\n\u003cp data-start=\"262\" data-end=\"289\"\u003e\u003cstrong data-start=\"262\" data-end=\"289\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"291\" data-end=\"459\"\u003e\u003cstrong data-start=\"291\" data-end=\"307\"\u003ePart Number:\u003c\/strong\u003e 36165\u003cbr data-start=\"313\" data-end=\"316\"\u003e\u003cstrong data-start=\"316\" data-end=\"333\"\u003eProduct Type:\u003c\/strong\u003e Furnace Low Air Flow Switch (Sail Switch)\u003cbr data-start=\"375\" data-end=\"378\"\u003e\u003cstrong data-start=\"378\" data-end=\"394\"\u003eApplication:\u003c\/strong\u003e Atwood HydroFlame AF Medium \u0026amp; Dometic DF Medium Model Furnaces\u003c\/p\u003e\n\u003chr data-start=\"461\" data-end=\"464\"\u003e\n\u003ch2 data-start=\"466\" data-end=\"485\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"487\" data-end=\"665\"\u003eThe \u003cstrong data-start=\"491\" data-end=\"551\"\u003eDometic \/ Atwood 36165 Sail Switch (Low Air Flow Switch)\u003c\/strong\u003e is a genuine OEM airflow verification switch designed for select \u003cstrong data-start=\"617\" data-end=\"630\"\u003eAF Medium\u003c\/strong\u003e and \u003cstrong data-start=\"635\" data-end=\"648\"\u003eDF Medium\u003c\/strong\u003e series furnaces.\u003c\/p\u003e\n\u003cp data-start=\"667\" data-end=\"945\"\u003eThe sail switch confirms adequate blower airflow before allowing ignition. If airflow is restricted due to debris, weak blower output, blocked ducts, or dirty return air passages, the switch prevents the burner from igniting to protect against unsafe combustion and overheating.\u003c\/p\u003e\n\u003cp data-start=\"947\" data-end=\"1082\"\u003eIf your blower motor runs but the burner will not light, or ignition is intermittent, the sail switch is one of the most common causes.\u003c\/p\u003e\n\u003cp data-start=\"1084\" data-end=\"1164\"\u003eOEM Part 36165 restores proper ignition sequencing and safe furnace performance.\u003c\/p\u003e\n\u003chr data-start=\"1166\" data-end=\"1169\"\u003e\n\u003ch2 data-start=\"1171\" data-end=\"1186\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1188\" data-end=\"1475\"\u003e\n\u003cli data-start=\"1188\" data-end=\"1237\"\u003e\n\u003cp data-start=\"1190\" data-end=\"1237\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1238\" data-end=\"1293\"\u003e\n\u003cp data-start=\"1240\" data-end=\"1293\"\u003eDesigned for AF Medium and DF Medium model furnaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1294\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1296\" data-end=\"1337\"\u003eVerifies blower airflow before ignition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1338\" data-end=\"1374\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1374\"\u003ePrevents unsafe burner operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1375\" data-end=\"1426\"\u003e\n\u003cp data-start=\"1377\" data-end=\"1426\"\u003eDirect replacement for listed compatible models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1427\" data-end=\"1475\"\u003e\n\u003cp data-start=\"1429\" data-end=\"1475\"\u003eManufactured to original equipment standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1477\" data-end=\"1480\"\u003e\n\u003ch1 data-start=\"1482\" data-end=\"1509\"\u003eCompatible Furnace Models\u003c\/h1\u003e\n\u003chr data-start=\"1511\" data-end=\"1514\"\u003e\n\u003cp data-start=\"1516\" data-end=\"1532\"\u003e\u003cspan\u003ePlease be aware that there is no precise serial number distinction indicating the transition to the bent blade style in Atwood models, only that this part is suggested for these models with a Serial # above 724\u003c\/span\u003e\u003cstrong\u003eXXXXX\u003c\/strong\u003e\u003cspan\u003e. It is advised to compare your existing sail switch with the product image for verification. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1516\" data-end=\"1532\"\u003eAFMD Series\u003c\/h2\u003e\n\u003cp data-start=\"1533\" data-end=\"1592\"\u003eAFMD16111\u003cbr data-start=\"1542\" data-end=\"1545\"\u003eAFMD16121\u003cbr data-start=\"1554\" data-end=\"1557\"\u003eAFMD16131\u003cbr data-start=\"1566\" data-end=\"1569\"\u003eAFMD16141\u003cbr data-start=\"1578\" data-end=\"1581\"\u003eAFMD16151\u003c\/p\u003e\n\u003cp data-start=\"1594\" data-end=\"1653\"\u003eAFMD20111\u003cbr data-start=\"1603\" data-end=\"1606\"\u003eAFMD20121\u003cbr data-start=\"1615\" data-end=\"1618\"\u003eAFMD20131\u003cbr data-start=\"1627\" data-end=\"1630\"\u003eAFMD20141\u003cbr data-start=\"1639\" data-end=\"1642\"\u003eAFMD20151\u003c\/p\u003e\n\u003cp data-start=\"1655\" data-end=\"1714\"\u003eAFMD25111\u003cbr data-start=\"1664\" data-end=\"1667\"\u003eAFMD25121\u003cbr data-start=\"1676\" data-end=\"1679\"\u003eAFMD25131\u003cbr data-start=\"1688\" data-end=\"1691\"\u003eAFMD25141\u003cbr data-start=\"1700\" data-end=\"1703\"\u003eAFMD25151\u003c\/p\u003e\n\u003cp data-start=\"1716\" data-end=\"1775\"\u003eAFMD30111\u003cbr data-start=\"1725\" data-end=\"1728\"\u003eAFMD30121\u003cbr data-start=\"1737\" data-end=\"1740\"\u003eAFMD30131\u003cbr data-start=\"1749\" data-end=\"1752\"\u003eAFMD30141\u003cbr data-start=\"1761\" data-end=\"1764\"\u003eAFMD30151\u003c\/p\u003e\n\u003cp data-start=\"1777\" data-end=\"1836\"\u003eAFMD35111\u003cbr data-start=\"1786\" data-end=\"1789\"\u003eAFMD35121\u003cbr data-start=\"1798\" data-end=\"1801\"\u003eAFMD35131\u003cbr data-start=\"1810\" data-end=\"1813\"\u003eAFMD35141\u003cbr data-start=\"1822\" data-end=\"1825\"\u003eAFMD35151\u003c\/p\u003e\n\u003chr data-start=\"1838\" data-end=\"1841\"\u003e\n\u003ch2 data-start=\"1843\" data-end=\"1859\"\u003eAFLA Series\u003c\/h2\u003e\n\u003cp data-start=\"1860\" data-end=\"1931\"\u003eAFLA35211\u003cbr data-start=\"1869\" data-end=\"1872\"\u003eAFLA35221\u003cbr data-start=\"1881\" data-end=\"1884\"\u003eAFLA35231\u003cbr data-start=\"1893\" data-end=\"1896\"\u003eAFLA40211\u003cbr data-start=\"1905\" data-end=\"1908\"\u003eAFLA40221\u003cbr data-start=\"1917\" data-end=\"1920\"\u003eAFLA40231\u003c\/p\u003e\n\u003chr data-start=\"1933\" data-end=\"1936\"\u003e\n\u003ch2 data-start=\"1938\" data-end=\"1954\"\u003eAFLD Series\u003c\/h2\u003e\n\u003cp data-start=\"1955\" data-end=\"2039\"\u003eAFLD35111\u003cbr data-start=\"1964\" data-end=\"1967\"\u003eAFLD35121\u003cbr data-start=\"1976\" data-end=\"1979\"\u003eAFLD35131\u003cbr data-start=\"1988\" data-end=\"1991\"\u003eAFLD40111\u003cbr data-start=\"2000\" data-end=\"2003\"\u003eAFLD40121\u003cbr data-start=\"2012\" data-end=\"2015\"\u003eAFLD40121W\u003cbr data-start=\"2025\" data-end=\"2028\"\u003eAFLD40131\u003c\/p\u003e\n\u003chr data-start=\"2041\" data-end=\"2044\"\u003e\n\u003ch2 data-start=\"2046\" data-end=\"2062\"\u003eDFMD Series\u003c\/h2\u003e\n\u003cp data-start=\"2063\" data-end=\"2097\"\u003e(Serial Number 72489157 and above)\u003c\/p\u003e\n\u003cp data-start=\"2099\" data-end=\"2158\"\u003eDFMD16111\u003cbr data-start=\"2108\" data-end=\"2111\"\u003eDFMD16121\u003cbr data-start=\"2120\" data-end=\"2123\"\u003eDFMD16131\u003cbr data-start=\"2132\" data-end=\"2135\"\u003eDFMD16141\u003cbr data-start=\"2144\" data-end=\"2147\"\u003eDFMD16151\u003c\/p\u003e\n\u003cp data-start=\"2160\" data-end=\"2219\"\u003eDFMD20111\u003cbr data-start=\"2169\" data-end=\"2172\"\u003eDFMD20121\u003cbr data-start=\"2181\" data-end=\"2184\"\u003eDFMD20131\u003cbr data-start=\"2193\" data-end=\"2196\"\u003eDFMD20141\u003cbr data-start=\"2205\" data-end=\"2208\"\u003eDFMD20151\u003c\/p\u003e\n\u003cp data-start=\"2221\" data-end=\"2280\"\u003eDFMD25111\u003cbr data-start=\"2230\" data-end=\"2233\"\u003eDFMD25121\u003cbr data-start=\"2242\" data-end=\"2245\"\u003eDFMD25131\u003cbr data-start=\"2254\" data-end=\"2257\"\u003eDFMD25141\u003cbr data-start=\"2266\" data-end=\"2269\"\u003eDFMD25151\u003c\/p\u003e\n\u003cp data-start=\"2282\" data-end=\"2341\"\u003eDFMD30111\u003cbr data-start=\"2291\" data-end=\"2294\"\u003eDFMD30121\u003cbr data-start=\"2303\" data-end=\"2306\"\u003eDFMD30131\u003cbr data-start=\"2315\" data-end=\"2318\"\u003eDFMD30141\u003cbr data-start=\"2327\" data-end=\"2330\"\u003eDFMD30151\u003c\/p\u003e\n\u003cp data-start=\"2343\" data-end=\"2415\"\u003eDFMD35111\u003cbr data-start=\"2352\" data-end=\"2355\"\u003eDFMD35121\u003cbr data-start=\"2364\" data-end=\"2367\"\u003eDFMD35121W\u003cbr data-start=\"2377\" data-end=\"2380\"\u003eDFMD35131\u003cbr data-start=\"2389\" data-end=\"2392\"\u003eDFMD35141\u003cbr data-start=\"2401\" data-end=\"2404\"\u003eDFMD35151\u003c\/p\u003e\n\u003chr data-start=\"2417\" data-end=\"2420\"\u003e\n\u003ch2 data-start=\"2422\" data-end=\"2438\"\u003eDFLD Series\u003c\/h2\u003e\n\u003cp data-start=\"2439\" data-end=\"2473\"\u003e(Serial Number 72991128 and above)\u003c\/p\u003e\n\u003cp data-start=\"2475\" data-end=\"2546\"\u003eDFLD35111\u003cbr data-start=\"2484\" data-end=\"2487\"\u003eDFLD35121\u003cbr data-start=\"2496\" data-end=\"2499\"\u003eDFLD35131\u003cbr data-start=\"2508\" data-end=\"2511\"\u003eDFLD40111\u003cbr data-start=\"2520\" data-end=\"2523\"\u003eDFLD40121\u003cbr data-start=\"2532\" data-end=\"2535\"\u003eDFLD40131\u003c\/p\u003e\n\u003chr data-start=\"2548\" data-end=\"2551\"\u003e\n\u003ch2 data-start=\"2553\" data-end=\"2569\"\u003eDFLA Series\u003c\/h2\u003e\n\u003cp data-start=\"2570\" data-end=\"2604\"\u003e(Serial Number 81689156 and above)\u003c\/p\u003e\n\u003cp data-start=\"2606\" data-end=\"2677\"\u003eDFLA35211\u003cbr data-start=\"2615\" data-end=\"2618\"\u003eDFLA35221\u003cbr data-start=\"2627\" data-end=\"2630\"\u003eDFLA35231\u003cbr data-start=\"2639\" data-end=\"2642\"\u003eDFLA40211\u003cbr data-start=\"2651\" data-end=\"2654\"\u003eDFLA40221\u003cbr data-start=\"2663\" data-end=\"2666\"\u003eDFLA40231\u003c\/p\u003e\n\u003chr data-start=\"2679\" data-end=\"2682\"\u003e\n\u003cblockquote data-start=\"2684\" data-end=\"2765\"\u003e\n\u003cp data-start=\"2686\" data-end=\"2765\"\u003eAlways verify both your furnace model number AND serial number before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"2767\" data-end=\"2770\"\u003e\n\u003ch2 data-start=\"2772\" data-end=\"2815\"\u003eWhen Should You Replace the Sail Switch?\u003c\/h2\u003e\n\u003cp data-start=\"2817\" data-end=\"2860\"\u003eYou may need to replace the sail switch if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2864\" data-end=\"2904\"\u003eBlower runs but burner does not ignite\u003c\/li\u003e\n\u003cli data-start=\"2907\" data-end=\"2950\"\u003eFurnace attempts ignition then shuts down\u003c\/li\u003e\n\u003cli data-start=\"2953\" data-end=\"2982\"\u003eIntermittent heating occurs\u003c\/li\u003e\n\u003cli data-start=\"2985\" data-end=\"3026\"\u003eAirflow-related fault conditions appear\u003c\/li\u003e\n\u003cli data-start=\"3029\" data-end=\"3076\"\u003eSwitch paddle is bent, stuck, or contaminated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3078\" data-end=\"3163\"\u003eThe sail switch is one of the most common service parts on AF and DF medium furnaces.\u003c\/p\u003e\n\u003chr data-start=\"3165\" data-end=\"3168\"\u003e\n\u003ch2 data-start=\"3170\" data-end=\"3195\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-start=\"3197\" data-end=\"3374\"\u003eManufacturer: Dometic \/ Atwood\u003cbr data-start=\"3227\" data-end=\"3230\"\u003ePart Number: 36165\u003cbr data-start=\"3248\" data-end=\"3251\"\u003eComponent: Sail Switch (Low Air Flow Switch)\u003cbr data-start=\"3295\" data-end=\"3298\"\u003eApplication: AF Medium \u0026amp; DF Medium Series\u003cbr data-start=\"3339\" data-end=\"3342\"\u003eIncludes: Sail switch assembly\u003c\/p\u003e\n\u003chr data-start=\"3376\" data-end=\"3379\"\u003e\n\u003ch2 data-start=\"3381\" data-end=\"3416\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"3418\" data-end=\"3526\"\u003e\u003cstrong data-start=\"3418\" data-end=\"3452\"\u003eQ: What does a sail switch do?\u003c\/strong\u003e\u003cbr data-start=\"3452\" data-end=\"3455\"\u003eA: It confirms sufficient airflow before allowing the burner to ignite.\u003c\/p\u003e\n\u003cp data-start=\"3528\" data-end=\"3667\"\u003e\u003cstrong data-start=\"3528\" data-end=\"3587\"\u003eQ: Why does my furnace blower run but no flame appears?\u003c\/strong\u003e\u003cbr data-start=\"3587\" data-end=\"3590\"\u003eA: A faulty sail switch is one of the most common causes of ignition failure.\u003c\/p\u003e\n\u003cp data-start=\"3669\" data-end=\"3839\"\u003e\u003cstrong data-start=\"3669\" data-end=\"3725\"\u003eQ: Why are serial numbers listed for some DF models?\u003c\/strong\u003e\u003cbr data-start=\"3725\" data-end=\"3728\"\u003eA: Design updates changed switch compatibility. Units below the listed serial numbers require a different part.\u003c\/p\u003e\n\u003cp data-start=\"3841\" data-end=\"3945\"\u003e\u003cstrong data-start=\"3841\" data-end=\"3885\"\u003eQ: Is this an OEM Dometic \/ Atwood part?\u003c\/strong\u003e\u003cbr data-start=\"3885\" data-end=\"3888\"\u003eA: Yes. 36165 is a genuine factory replacement component.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47855082045681,"sku":null,"price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/36165.jpg?v=1772327376"},{"product_id":"dometic-atwood-30621-ignition-control-circuit-board-dsi-ac-afla-dfla","title":"Dometic \/ Atwood 30621 Ignition Control Circuit Board – DSI (AC) - AFLA, DFLA","description":"\u003ch2 data-start=\"176\" data-end=\"245\"\u003eDometic \/ Atwood 30621 Ignition Control Circuit Board – DSI (AC)\u003c\/h2\u003e\n\u003cp data-start=\"246\" data-end=\"273\"\u003e\u003cstrong data-start=\"246\" data-end=\"273\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"275\" data-end=\"427\"\u003e\u003cstrong data-start=\"275\" data-end=\"291\"\u003ePart Number:\u003c\/strong\u003e 30621\u003cbr data-start=\"297\" data-end=\"300\"\u003e\u003cstrong data-start=\"300\" data-end=\"317\"\u003eProduct Type:\u003c\/strong\u003e Ignition Control Circuit Board (DSI Board)\u003cbr data-start=\"360\" data-end=\"363\"\u003e\u003cstrong data-start=\"363\" data-end=\"375\"\u003eVoltage:\u003c\/strong\u003e AC\u003cbr data-start=\"378\" data-end=\"381\"\u003e\u003cstrong data-start=\"381\" data-end=\"399\"\u003eIgnition Type:\u003c\/strong\u003e Direct Spark Ignition (DSI)\u003c\/p\u003e\n\u003chr data-start=\"429\" data-end=\"432\"\u003e\n\u003ch2 data-start=\"434\" data-end=\"453\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"455\" data-end=\"669\"\u003eThe \u003cstrong data-start=\"459\" data-end=\"516\"\u003eDometic \/ Atwood 30621 Ignition Control Circuit Board\u003c\/strong\u003e is a genuine OEM \u003cstrong data-start=\"534\" data-end=\"579\"\u003eDirect Spark Ignition (DSI) control board\u003c\/strong\u003e designed for select Atwood and Dometic medium-model furnaces operating on \u003cstrong data-start=\"654\" data-end=\"668\"\u003eAC systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"671\" data-end=\"940\"\u003eThis circuit board manages the full ignition sequence — initiating spark, controlling the gas valve, verifying flame presence, and protecting against unsafe conditions. When a board fails, the furnace may not ignite, may lock out repeatedly, or may spark without flame.\u003c\/p\u003e\n\u003cp data-start=\"942\" data-end=\"1052\"\u003eReplacing it with OEM Part 30621 restores proper ignition timing, flame sensing, and safe heating performance.\u003c\/p\u003e\n\u003cp data-start=\"1054\" data-end=\"1206\"\u003eManufactured to original equipment specifications, this board ensures correct compatibility and dependable operation across listed AFLA and DFLA models.\u003c\/p\u003e\n\u003chr data-start=\"1208\" data-end=\"1211\"\u003e\n\u003ch2 data-start=\"1213\" data-end=\"1228\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"1232\" data-end=\"1279\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1282\" data-end=\"1325\"\u003eDirect Spark Ignition (DSI) control board\u003c\/li\u003e\n\u003cli data-start=\"1328\" data-end=\"1361\"\u003eDesigned for AC system furnaces\u003c\/li\u003e\n\u003cli data-start=\"1364\" data-end=\"1415\"\u003eControls ignition sequence and flame verification\u003c\/li\u003e\n\u003cli data-start=\"1418\" data-end=\"1449\"\u003eRegulates gas valve operation\u003c\/li\u003e\n\u003cli data-start=\"1452\" data-end=\"1502\"\u003eDirect replacement for listed AFLA \u0026amp; DFLA models\u003c\/li\u003e\n\u003cli data-start=\"1505\" data-end=\"1544\"\u003eBuilt to original equipment standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1546\" data-end=\"1549\"\u003e\n\u003ch1 data-start=\"1551\" data-end=\"1578\"\u003eCompatible Furnace Models\u003c\/h1\u003e\n\u003chr data-start=\"1580\" data-end=\"1583\"\u003e\n\u003ch2 data-start=\"1585\" data-end=\"1611\"\u003eAtwood Furnace Models\u003c\/h2\u003e\n\u003cp data-start=\"1613\" data-end=\"1648\"\u003eAFLA35211\u003cbr data-start=\"1622\" data-end=\"1625\"\u003eAFLA35221\u003cbr data-start=\"1634\" data-end=\"1637\"\u003eAFLA35231\u003c\/p\u003e\n\u003cp data-start=\"1650\" data-end=\"1685\"\u003eAFLA40211\u003cbr data-start=\"1659\" data-end=\"1662\"\u003eAFLA40221\u003cbr data-start=\"1671\" data-end=\"1674\"\u003eAFLA40231\u003c\/p\u003e\n\u003chr data-start=\"1687\" data-end=\"1690\"\u003e\n\u003ch2 data-start=\"1692\" data-end=\"1719\"\u003eDometic Furnace Models\u003c\/h2\u003e\n\u003cp data-start=\"1721\" data-end=\"1756\"\u003eDFLA35211\u003cbr data-start=\"1730\" data-end=\"1733\"\u003eDFLA35221\u003cbr data-start=\"1742\" data-end=\"1745\"\u003eDFLA35231\u003c\/p\u003e\n\u003cp data-start=\"1758\" data-end=\"1793\"\u003eDFLA40211\u003cbr data-start=\"1767\" data-end=\"1770\"\u003eDFLA40221\u003cbr data-start=\"1779\" data-end=\"1782\"\u003eDFLA40231\u003c\/p\u003e\n\u003chr data-start=\"1795\" data-end=\"1798\"\u003e\n\u003cblockquote data-start=\"1800\" data-end=\"1904\"\u003e\n\u003cp data-start=\"1802\" data-end=\"1904\"\u003eAlways verify your furnace model number and confirm it uses an AC DSI ignition system before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1906\" data-end=\"1909\"\u003e\n\u003ch2 data-start=\"1911\" data-end=\"1955\"\u003eCommon Symptoms of a Failed Control Board\u003c\/h2\u003e\n\u003cp data-start=\"1957\" data-end=\"2011\"\u003eYou may need to replace the ignition control board if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2015\" data-end=\"2040\"\u003eFurnace will not ignite\u003c\/li\u003e\n\u003cli data-start=\"2043\" data-end=\"2068\"\u003eNo spark during startup\u003c\/li\u003e\n\u003cli data-start=\"2071\" data-end=\"2108\"\u003eBurner lights briefly and shuts off\u003c\/li\u003e\n\u003cli data-start=\"2111\" data-end=\"2144\"\u003eFurnace enters ignition lockout\u003c\/li\u003e\n\u003cli data-start=\"2147\" data-end=\"2179\"\u003eGas valve not receiving signal\u003c\/li\u003e\n\u003cli data-start=\"2182\" data-end=\"2214\"\u003eIntermittent heating operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2216\" data-end=\"2299\"\u003eThe control board is the primary control component for the furnace ignition system.\u003c\/p\u003e\n\u003chr data-start=\"2301\" data-end=\"2304\"\u003e\n\u003ch2 data-start=\"2306\" data-end=\"2331\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2333\" data-end=\"2570\"\u003eManufacturer: Dometic \/ Atwood\u003cbr data-start=\"2363\" data-end=\"2366\"\u003ePart Number: 30621\u003cbr data-start=\"2384\" data-end=\"2387\"\u003eComponent: Ignition Control Circuit Board\u003cbr data-start=\"2428\" data-end=\"2431\"\u003eIgnition Type: Direct Spark Ignition (DSI)\u003cbr data-start=\"2473\" data-end=\"2476\"\u003eVoltage: AC\u003cbr data-start=\"2487\" data-end=\"2490\"\u003eApplication: AFLA \u0026amp; DFLA Series Medium Furnaces\u003cbr data-start=\"2537\" data-end=\"2540\"\u003eIncludes: Circuit board only\u003c\/p\u003e\n\u003chr data-start=\"2572\" data-end=\"2575\"\u003e\n\u003ch2 data-start=\"2577\" data-end=\"2612\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"2614\" data-end=\"2779\"\u003e\u003cstrong data-start=\"2614\" data-end=\"2654\"\u003eQ: What does a DSI control board do?\u003c\/strong\u003e\u003cbr data-start=\"2654\" data-end=\"2657\"\u003eA: It generates ignition spark, controls gas valve operation, and verifies flame presence to ensure safe burner operation.\u003c\/p\u003e\n\u003cp data-start=\"2781\" data-end=\"2886\"\u003e\u003cstrong data-start=\"2781\" data-end=\"2824\"\u003eQ: Is this compatible with DC furnaces?\u003c\/strong\u003e\u003cbr data-start=\"2824\" data-end=\"2827\"\u003eA: No. This listing is specifically for AC system furnaces.\u003c\/p\u003e\n\u003cp data-start=\"2888\" data-end=\"2982\"\u003e\u003cstrong data-start=\"2888\" data-end=\"2930\"\u003eQ: Which furnace models does this fit?\u003c\/strong\u003e\u003cbr data-start=\"2930\" data-end=\"2933\"\u003eA: It fits the AFLA and DFLA models listed above.\u003c\/p\u003e\n\u003cp data-start=\"2984\" data-end=\"3076\"\u003e\u003cstrong data-start=\"2984\" data-end=\"3011\"\u003eQ: Is this an OEM part?\u003c\/strong\u003e\u003cbr data-start=\"3011\" data-end=\"3014\"\u003eA: Yes. 30621 is a genuine Dometic \/ Atwood replacement board.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857398087921,"sku":null,"price":298.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/30621.jpg?v=1772379624"},{"product_id":"dometic™-atwood-31095-afl-furnace-ac-to-dc-transformer","title":"Dometic™ (Atwood) 31095 AFL Furnace AC to DC Transformer - Special Order","description":"\u003ch2 data-start=\"175\" data-end=\"236\"\u003eDometic™ (Atwood) 31095 AFL Furnace AC to DC Transformer\u003c\/h2\u003e\n\u003cp data-start=\"237\" data-end=\"264\"\u003e\u003cstrong data-start=\"237\" data-end=\"264\"\u003eSpecial Order Item (7–14 Business Days for Shipping)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"237\" data-end=\"264\"\u003e\u003cstrong data-start=\"237\" data-end=\"264\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"266\" data-end=\"385\"\u003e\u003cstrong data-start=\"266\" data-end=\"282\"\u003ePart Number:\u003c\/strong\u003e 31095\u003cbr data-start=\"288\" data-end=\"291\"\u003e\u003cstrong data-start=\"291\" data-end=\"308\"\u003eProduct Type:\u003c\/strong\u003e Furnace AC to DC Transformer\u003cbr data-start=\"337\" data-end=\"340\"\u003e\u003cstrong data-start=\"340\" data-end=\"356\"\u003eApplication:\u003c\/strong\u003e Atwood AFL Series Furnaces\u003c\/p\u003e\n\u003chr data-start=\"387\" data-end=\"390\"\u003e\n\u003ch2 data-start=\"392\" data-end=\"411\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"413\" data-end=\"567\"\u003eThe \u003cstrong data-start=\"417\" data-end=\"477\"\u003eDometic™ (Atwood) 31095 AFL Furnace AC to DC Transformer\u003c\/strong\u003e is a genuine OEM electrical component designed for select \u003cstrong data-start=\"536\" data-end=\"566\"\u003eAtwood AFL series furnaces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"569\" data-end=\"870\"\u003eThis transformer converts \u003cstrong data-start=\"595\" data-end=\"634\"\u003eAC power to the required DC voltage\u003c\/strong\u003e needed for proper operation of the furnace control system and associated electrical components. If the transformer fails, the furnace may not power up correctly, ignition may fail, or electrical components may not function as designed.\u003c\/p\u003e\n\u003cp data-start=\"872\" data-end=\"993\"\u003eReplacing a faulty transformer with OEM Part 31095 restores proper voltage regulation and dependable furnace performance.\u003c\/p\u003e\n\u003cp data-start=\"995\" data-end=\"1146\"\u003eManufactured to original equipment specifications, this transformer ensures correct electrical output, system compatibility, and long-term reliability.\u003c\/p\u003e\n\u003cp data-start=\"995\" data-end=\"1146\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1337\"\u003ePlease Note:\u003c\/strong\u003e This is a \u003cem data-start=\"1348\" data-end=\"1363\"\u003eSpecial Order\u003c\/em\u003e item and typically ships within \u003cstrong data-start=\"1396\" data-end=\"1418\"\u003e7–14 business days\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1148\" data-end=\"1151\"\u003e\n\u003ch2 data-start=\"1153\" data-end=\"1168\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"1172\" data-end=\"1220\"\u003eGenuine OEM Dometic™ \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1223\" data-end=\"1257\"\u003eDesigned for AFL series furnaces\u003c\/li\u003e\n\u003cli data-start=\"1260\" data-end=\"1301\"\u003eConverts AC input to required DC output\u003c\/li\u003e\n\u003cli data-start=\"1304\" data-end=\"1361\"\u003eSupports ignition control board and furnace electronics\u003c\/li\u003e\n\u003cli data-start=\"1364\" data-end=\"1404\"\u003eRestores stable electrical performance\u003c\/li\u003e\n\u003cli data-start=\"1407\" data-end=\"1446\"\u003eBuilt to original equipment standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1448\" data-end=\"1451\"\u003e\n\u003ch2 data-start=\"1453\" data-end=\"1479\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp data-start=\"1481\" data-end=\"1521\"\u003ePart \u003cstrong data-start=\"1486\" data-end=\"1495\"\u003e31095\u003c\/strong\u003e is designed for use with:\u003c\/p\u003e\n\u003cp data-start=\"1523\" data-end=\"1553\"\u003e\u003cstrong data-start=\"1523\" data-end=\"1553\"\u003eAtwood AFL Series Furnaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote data-start=\"1555\" data-end=\"1637\"\u003e\n\u003cp data-start=\"1557\" data-end=\"1637\"\u003eAlways verify your furnace model number before ordering to ensure compatibility.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1639\" data-end=\"1642\"\u003e\n\u003ch2 data-start=\"1644\" data-end=\"1686\"\u003eCommon Symptoms of a Faulty Transformer\u003c\/h2\u003e\n\u003cp data-start=\"1688\" data-end=\"1731\"\u003eYou may need to replace the transformer if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1735\" data-end=\"1762\"\u003eFurnace does not power on\u003c\/li\u003e\n\u003cli data-start=\"1765\" data-end=\"1806\"\u003eIgnition control board fails to operate\u003c\/li\u003e\n\u003cli data-start=\"1809\" data-end=\"1843\"\u003eIntermittent electrical function\u003c\/li\u003e\n\u003cli data-start=\"1846\" data-end=\"1875\"\u003eBlower motor does not start\u003c\/li\u003e\n\u003cli data-start=\"1878\" data-end=\"1921\"\u003eVisible transformer damage or overheating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1923\" data-end=\"2002\"\u003eProper voltage conversion is essential for safe and reliable furnace operation.\u003c\/p\u003e\n\u003chr data-start=\"2004\" data-end=\"2007\"\u003e\n\u003ch2 data-start=\"2009\" data-end=\"2034\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2036\" data-end=\"2192\"\u003eManufacturer: Dometic™ (Atwood)\u003cbr data-start=\"2067\" data-end=\"2070\"\u003ePart Number: 31095\u003cbr data-start=\"2088\" data-end=\"2091\"\u003eComponent: AC to DC Transformer\u003cbr data-start=\"2122\" data-end=\"2125\"\u003eApplication: AFL Series Furnaces\u003cbr data-start=\"2157\" data-end=\"2160\"\u003eIncludes: Transformer assembly\u003c\/p\u003e\n\u003chr data-start=\"2194\" data-end=\"2197\"\u003e\n\u003ch2 data-start=\"2199\" data-end=\"2234\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"2236\" data-end=\"2389\"\u003e\u003cstrong data-start=\"2236\" data-end=\"2281\"\u003eQ: What does the AC to DC transformer do?\u003c\/strong\u003e\u003cbr data-start=\"2281\" data-end=\"2284\"\u003eA: It converts incoming AC power into DC voltage required for the furnace control system and electronics.\u003c\/p\u003e\n\u003cp data-start=\"2391\" data-end=\"2535\"\u003e\u003cstrong data-start=\"2391\" data-end=\"2449\"\u003eQ: Is this compatible with AFMD or DF series furnaces?\u003c\/strong\u003e\u003cbr data-start=\"2449\" data-end=\"2452\"\u003eA: This listing is specifically for AFL series furnaces. Always confirm your model.\u003c\/p\u003e\n\u003cp data-start=\"2537\" data-end=\"2693\"\u003e\u003cstrong data-start=\"2537\" data-end=\"2589\"\u003eQ: Can a bad transformer cause ignition failure?\u003c\/strong\u003e\u003cbr data-start=\"2589\" data-end=\"2592\"\u003eA: Yes. If the control board does not receive proper voltage, ignition and blower operation may fail.\u003c\/p\u003e\n\u003cp data-start=\"2695\" data-end=\"2791\"\u003e\u003cstrong data-start=\"2695\" data-end=\"2731\"\u003eQ: Is this an OEM Dometic™ part?\u003c\/strong\u003e\u003cbr data-start=\"2731\" data-end=\"2734\"\u003eA: Yes. 31095 is a genuine factory replacement component.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857536205041,"sku":null,"price":81.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/31095.jpg?v=1772390191"},{"product_id":"dometic-atwood-33082-furnace-low-air-flow-switch-sail-switch-with-bracket-afm-afla-afld-dfmd-series-post-serial-specific","title":"Dometic \/ Atwood 33082 Furnace Low Air Flow Switch – Sail Switch – With Bracket - AFM, AFLA, AFLD, DFMD Series (Post-Serial Specific)","description":"\u003ch2 data-end=\"264\" data-start=\"174\"\u003eDometic \/ Atwood 33082 Furnace Low Air Flow Switch – Sail Switch  – With Bracket\u003c\/h2\u003e\n\u003cp data-end=\"292\" data-start=\"265\"\u003e\u003cstrong data-end=\"292\" data-start=\"265\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"442\" data-start=\"294\"\u003e\u003cstrong data-end=\"310\" data-start=\"294\"\u003ePart Number:\u003c\/strong\u003e 33082\u003cbr data-end=\"319\" data-start=\"316\"\u003e\u003cstrong data-end=\"336\" data-start=\"319\"\u003eProduct Type:\u003c\/strong\u003e Furnace Low Air Flow Switch (Sail Switch)\u003cbr data-end=\"398\" data-start=\"395\"\u003e\u003cstrong data-end=\"411\" data-start=\"398\"\u003eIncludes:\u003c\/strong\u003e Switch with mounting bracket\u003c\/p\u003e\n\u003chr data-end=\"447\" data-start=\"444\"\u003e\n\u003ch2 data-end=\"468\" data-start=\"449\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-end=\"677\" data-start=\"470\"\u003eThe \u003cstrong data-end=\"528\" data-start=\"474\"\u003eDometic \/ Atwood 33082 Furnace Low Air Flow Switch\u003c\/strong\u003e is a genuine OEM sail switch designed for select \u003cstrong data-end=\"622\" data-start=\"578\"\u003eAFM, AFLD, AFLA and DFMD series furnaces\u003c\/strong\u003e manufactured after specified serial number thresholds.\u003c\/p\u003e\n\u003cp data-end=\"940\" data-start=\"679\"\u003eAlso known as a \u003cstrong data-end=\"710\" data-start=\"695\"\u003esail switch\u003c\/strong\u003e, this component verifies proper blower airflow before allowing the ignition sequence to begin. If the furnace does not detect adequate airflow, the burner will not ignite — protecting the system from unsafe combustion conditions.\u003c\/p\u003e\n\u003cp data-end=\"1094\" data-start=\"942\"\u003eIf your blower runs but the furnace will not ignite, shuts down prematurely, or experiences intermittent heating, a faulty sail switch may be the cause.\u003c\/p\u003e\n\u003cp data-end=\"1210\" data-start=\"1096\"\u003ePart 33082 includes the \u003cstrong data-end=\"1165\" data-start=\"1120\"\u003etan switch assembly with mounting bracket\u003c\/strong\u003e for direct replacement on compatible models.\u003c\/p\u003e\n\u003chr data-end=\"1215\" data-start=\"1212\"\u003e\n\u003ch2 data-end=\"1232\" data-start=\"1217\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"1283\" data-start=\"1236\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-end=\"1334\" data-start=\"1286\"\u003eIncludes tan sail switch with mounting bracket\u003c\/li\u003e\n\u003cli data-end=\"1371\" data-start=\"1337\"\u003eVerifies airflow before ignition\u003c\/li\u003e\n\u003cli data-end=\"1411\" data-start=\"1374\"\u003eRestores proper ignition sequencing\u003c\/li\u003e\n\u003cli data-end=\"1466\" data-start=\"1414\"\u003eDesigned for serial-number-specific furnace models\u003c\/li\u003e\n\u003cli data-end=\"1493\" data-start=\"1469\"\u003eDirect-fit replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1498\" data-start=\"1495\"\u003e\n\u003ch1 data-end=\"1527\" data-start=\"1500\"\u003eCompatible Furnace Models\u003c\/h1\u003e\n\u003cp data-end=\"1624\" data-start=\"1529\"\u003e⚠ \u003cstrong data-end=\"1545\" data-start=\"1531\"\u003eImportant:\u003c\/strong\u003e Compatible only with units manufactured AFTER the serial numbers listed below.\u003c\/p\u003e\n\u003chr data-end=\"1629\" data-start=\"1626\"\u003e\n\u003ch2 data-end=\"1646\" data-start=\"1631\"\u003eAFM Series\u003c\/h2\u003e\n\u003cp data-end=\"1680\" data-start=\"1647\"\u003e\u003cstrong data-end=\"1680\" data-start=\"1647\"\u003eSerial Numbers AFTER 72489156\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1741\" data-start=\"1682\"\u003eAFMD25111\u003cbr data-end=\"1694\" data-start=\"1691\"\u003eAFMD25121\u003cbr data-end=\"1706\" data-start=\"1703\"\u003eAFMD25131\u003cbr data-end=\"1718\" data-start=\"1715\"\u003eAFMD25141\u003cbr data-end=\"1730\" data-start=\"1727\"\u003eAFMD25151\u003c\/p\u003e\n\u003cp data-end=\"1802\" data-start=\"1743\"\u003eAFMD30111\u003cbr data-end=\"1755\" data-start=\"1752\"\u003eAFMD30121\u003cbr data-end=\"1767\" data-start=\"1764\"\u003eAFMD30131\u003cbr data-end=\"1779\" data-start=\"1776\"\u003eAFMD30141\u003cbr data-end=\"1791\" data-start=\"1788\"\u003eAFMD30151\u003c\/p\u003e\n\u003cp data-end=\"1863\" data-start=\"1804\"\u003eAFMD35111\u003cbr data-end=\"1816\" data-start=\"1813\"\u003eAFMD35121\u003cbr data-end=\"1828\" data-start=\"1825\"\u003eAFMD35131\u003cbr data-end=\"1840\" data-start=\"1837\"\u003eAFMD35141\u003cbr data-end=\"1852\" data-start=\"1849\"\u003eAFMD35151\u003c\/p\u003e\n\u003chr data-end=\"1868\" data-start=\"1865\"\u003e\n\u003ch2 data-end=\"1886\" data-start=\"1870\"\u003eAFLD Series\u003c\/h2\u003e\n\u003cp data-end=\"1920\" data-start=\"1887\"\u003e\u003cstrong data-end=\"1920\" data-start=\"1887\"\u003eSerial Numbers AFTER 72991127\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1957\" data-start=\"1922\"\u003eAFLD35111\u003cbr data-end=\"1934\" data-start=\"1931\"\u003eAFLD35121\u003cbr data-end=\"1946\" data-start=\"1943\"\u003eAFLD35131\u003c\/p\u003e\n\u003cp data-end=\"1994\" data-start=\"1959\"\u003eAFLD40111\u003cbr data-end=\"1971\" data-start=\"1968\"\u003eAFLD40121\u003cbr data-end=\"1983\" data-start=\"1980\"\u003eAFLD40131\u003c\/p\u003e\n\u003chr data-end=\"1999\" data-start=\"1996\"\u003e\n\u003ch2 data-end=\"2017\" data-start=\"2001\"\u003eAFLA Series\u003c\/h2\u003e\n\u003cp data-end=\"2051\" data-start=\"2018\"\u003e\u003cstrong data-end=\"2051\" data-start=\"2018\"\u003eSerial Numbers AFTER 81689155\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2088\" data-start=\"2053\"\u003eAFLA35211\u003cbr data-end=\"2065\" data-start=\"2062\"\u003eAFLA35221\u003cbr data-end=\"2077\" data-start=\"2074\"\u003eAFLA35231\u003c\/p\u003e\n\u003cp data-end=\"2125\" data-start=\"2090\"\u003eAFLA40211\u003cbr data-end=\"2102\" data-start=\"2099\"\u003eAFLA40221\u003cbr data-end=\"2114\" data-start=\"2111\"\u003eAFLA40231\u003c\/p\u003e\n\u003chr data-end=\"2130\" data-start=\"2127\"\u003e\n\u003ch2 data-end=\"2148\" data-start=\"2132\"\u003eDFMD Series\u003c\/h2\u003e\n\u003cp data-end=\"2182\" data-start=\"2149\"\u003e\u003cstrong data-end=\"2182\" data-start=\"2149\"\u003eSerial Numbers AFTER 72489156\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2243\" data-start=\"2184\"\u003eDFMD25111\u003cbr data-end=\"2196\" data-start=\"2193\"\u003eDFMD25121\u003cbr data-end=\"2208\" data-start=\"2205\"\u003eDFMD25131\u003cbr data-end=\"2220\" data-start=\"2217\"\u003eDFMD25141\u003cbr data-end=\"2232\" data-start=\"2229\"\u003eDFMD25151\u003c\/p\u003e\n\u003cp data-end=\"2304\" data-start=\"2245\"\u003eDFMD30111\u003cbr data-end=\"2257\" data-start=\"2254\"\u003eDFMD30121\u003cbr data-end=\"2269\" data-start=\"2266\"\u003eDFMD30131\u003cbr data-end=\"2281\" data-start=\"2278\"\u003eDFMD30141\u003cbr data-end=\"2293\" data-start=\"2290\"\u003eDFMD30151\u003c\/p\u003e\n\u003cp data-end=\"2365\" data-start=\"2306\"\u003eDFMD35111\u003cbr data-end=\"2318\" data-start=\"2315\"\u003eDFMD35121\u003cbr data-end=\"2330\" data-start=\"2327\"\u003eDFMD35131\u003cbr data-end=\"2342\" data-start=\"2339\"\u003eDFMD35141\u003cbr data-end=\"2354\" data-start=\"2351\"\u003eDFMD35151\u003c\/p\u003e\n\u003chr data-end=\"2370\" data-start=\"2367\"\u003e\n\u003cblockquote data-end=\"2453\" data-start=\"2372\"\u003e\n\u003cp data-end=\"2453\" data-start=\"2374\"\u003eAlways verify BOTH your furnace model number and serial number before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-end=\"2458\" data-start=\"2455\"\u003e\n\u003ch2 data-end=\"2503\" data-start=\"2460\"\u003eWhen Should You Replace the Sail Switch?\u003c\/h2\u003e\n\u003cp data-end=\"2547\" data-start=\"2505\"\u003eYou may need to replace this component if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"2599\" data-start=\"2551\"\u003eFurnace blower runs but burner will not ignite\u003c\/li\u003e\n\u003cli data-end=\"2645\" data-start=\"2602\"\u003eFurnace cycles off shortly after starting\u003c\/li\u003e\n\u003cli data-end=\"2678\" data-start=\"2648\"\u003eIntermittent ignition occurs\u003c\/li\u003e\n\u003cli data-end=\"2726\" data-start=\"2681\"\u003eAirflow-related shutdown faults are present\u003c\/li\u003e\n\u003cli data-end=\"2767\" data-start=\"2729\"\u003eSwitch paddle is sticking or damaged\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2863\" data-start=\"2769\"\u003eThe sail switch is one of the most common wear components in modern Dometic \/ Atwood furnaces.\u003c\/p\u003e\n\u003chr data-end=\"2868\" data-start=\"2865\"\u003e\n\u003ch2 data-end=\"2895\" data-start=\"2870\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-end=\"3118\" data-start=\"2897\"\u003eManufacturer: Dometic \/ Atwood\u003cbr data-end=\"2930\" data-start=\"2927\"\u003ePart Number: 33082\u003cbr data-end=\"2951\" data-start=\"2948\"\u003eComponent: Low Air Flow Switch (Sail Switch)\u003cbr data-end=\"2998\" data-start=\"2995\"\u003eColor: Tan\u003cbr data-end=\"3011\" data-start=\"3008\"\u003eIncludes: Switch with mounting bracket\u003cbr data-end=\"3052\" data-start=\"3049\"\u003eApplication: AFM, AFLA, AFLD, DFMD Series (Post-Serial Specific)\u003c\/p\u003e\n\u003chr data-end=\"3123\" data-start=\"3120\"\u003e\n\u003ch2 data-end=\"3160\" data-start=\"3125\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-end=\"3312\" data-start=\"3162\"\u003e\u003cstrong data-end=\"3203\" data-start=\"3162\"\u003eQ: Why does the serial number matter?\u003c\/strong\u003e\u003cbr data-end=\"3206\" data-start=\"3203\"\u003eA: Furnace designs changed after specific production runs, requiring different sail switch configurations.\u003c\/p\u003e\n\u003cp data-end=\"3453\" data-start=\"3314\"\u003e\u003cstrong data-end=\"3369\" data-start=\"3314\"\u003eQ: What happens if I install the wrong sail switch?\u003c\/strong\u003e\u003cbr data-end=\"3372\" data-start=\"3369\"\u003eA: The ignition sequence may not complete, or the switch may not mount correctly.\u003c\/p\u003e\n\u003cp data-end=\"3558\" data-start=\"3455\"\u003e\u003cstrong data-end=\"3489\" data-start=\"3455\"\u003eQ: What does a sail switch do?\u003c\/strong\u003e\u003cbr data-end=\"3492\" data-start=\"3489\"\u003eA: It confirms sufficient blower airflow before allowing ignition.\u003c\/p\u003e\n\u003cp data-end=\"3655\" data-start=\"3560\"\u003e\u003cstrong data-end=\"3595\" data-start=\"3560\"\u003eQ: Is this an OEM Dometic part?\u003c\/strong\u003e\u003cbr data-end=\"3598\" data-start=\"3595\"\u003eA: Yes. 33082 is a genuine factory replacement component.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857557504241,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/33082.jpg?v=1772393011"},{"product_id":"m-c-enterprises-31094mc-aftermarket-rv-furnace-air-flow-sail-switch","title":"M.C. Enterprises 31094MC Aftermarket RV Furnace Air Flow Sail Switch","description":"\u003ch2 data-start=\"164\" data-end=\"237\"\u003eM.C. Enterprises 31094MC Aftermarket RV Furnace Air Flow Sail Switch\u003c\/h2\u003e\n\u003cp data-start=\"238\" data-end=\"274\"\u003e\u003cstrong data-start=\"238\" data-end=\"274\"\u003eReplaces Dometic™ \/ Atwood 31094\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"276\" data-end=\"471\"\u003e\u003cstrong data-start=\"276\" data-end=\"292\"\u003ePart Number:\u003c\/strong\u003e 31094MC\u003cbr data-start=\"300\" data-end=\"303\"\u003e\u003cstrong data-start=\"303\" data-end=\"320\"\u003eManufacturer:\u003c\/strong\u003e M.C. Enterprises\u003cbr data-start=\"337\" data-end=\"340\"\u003e\u003cstrong data-start=\"340\" data-end=\"357\"\u003eProduct Type:\u003c\/strong\u003e Furnace Low Air Flow Switch (Sail Switch)\u003cbr data-start=\"399\" data-end=\"402\"\u003e\u003cstrong data-start=\"402\" data-end=\"418\"\u003eApplication:\u003c\/strong\u003e Dometic™ \/ Atwood AFSD, AFMD, AFLA \u0026amp; AFLD Furnaces\u003c\/p\u003e\n\u003chr data-start=\"473\" data-end=\"476\"\u003e\n\u003ch2 data-start=\"478\" data-end=\"497\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"499\" data-end=\"641\"\u003eThe \u003cstrong data-start=\"503\" data-end=\"563\"\u003eM.C. Enterprises 31094MC RV Furnace Air Flow Sail Switch\u003c\/strong\u003e is a direct aftermarket replacement for \u003cstrong data-start=\"604\" data-end=\"640\"\u003eDometic™ \/ Atwood OEM Part 31094\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"643\" data-end=\"945\"\u003eAlso referred to as a \u003cstrong data-start=\"665\" data-end=\"688\"\u003elow air flow switch\u003c\/strong\u003e, this sail switch monitors blower airflow and prevents ignition unless proper air movement is detected inside the combustion chamber. If adequate airflow is not present, the furnace will not ignite — protecting the system from unsafe combustion conditions.\u003c\/p\u003e\n\u003cp data-start=\"947\" data-end=\"1116\"\u003eIf your RV furnace blower runs but the burner does not light, ignition is intermittent, or heating cycles prematurely shut down, a faulty sail switch is often the cause.\u003c\/p\u003e\n\u003cp data-start=\"1118\" data-end=\"1246\"\u003eThe 31094MC provides a dependable, cost-effective replacement solution for compatible AFSD, AFMD, AFLA, and AFLD furnace models.\u003c\/p\u003e\n\u003chr data-start=\"1248\" data-end=\"1251\"\u003e\n\u003ch2 data-start=\"1253\" data-end=\"1268\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1270\" data-end=\"1549\"\u003e\n\u003cli data-start=\"1270\" data-end=\"1325\"\u003e\n\u003cp data-start=\"1272\" data-end=\"1325\"\u003eAftermarket replacement for Dometic™ \/ Atwood 31094\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1326\" data-end=\"1369\"\u003e\n\u003cp data-start=\"1328\" data-end=\"1369\"\u003eVerifies blower airflow before ignition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1370\" data-end=\"1416\"\u003e\n\u003cp data-start=\"1372\" data-end=\"1416\"\u003eHelps fix “blower runs but no heat” issues\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1417\" data-end=\"1456\"\u003e\n\u003cp data-start=\"1419\" data-end=\"1456\"\u003eRestores proper ignition sequencing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1457\" data-end=\"1511\"\u003e\n\u003cp data-start=\"1459\" data-end=\"1511\"\u003eDirect-fit compatibility for listed furnace models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1512\" data-end=\"1549\"\u003e\n\u003cp data-start=\"1514\" data-end=\"1549\"\u003eCost-effective alternative to OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1551\" data-end=\"1554\"\u003e\n\u003ch1 data-start=\"1556\" data-end=\"1583\"\u003eCompatible Furnace Models\u003c\/h1\u003e\n\u003chr data-start=\"1585\" data-end=\"1588\"\u003e\n\u003ch2 data-start=\"1590\" data-end=\"1604\"\u003eAFSD Series\u003c\/h2\u003e\n\u003cp data-start=\"1606\" data-end=\"1617\"\u003eAFSD20111\u003c\/p\u003e\n\u003chr data-start=\"1619\" data-end=\"1622\"\u003e\n\u003ch2 data-start=\"1624\" data-end=\"1638\"\u003eAFMD Series\u003c\/h2\u003e\n\u003cp data-start=\"1640\" data-end=\"1699\"\u003eAFMD25111\u003cbr data-start=\"1649\" data-end=\"1652\"\u003eAFMD25121\u003cbr data-start=\"1661\" data-end=\"1664\"\u003eAFMD25131\u003cbr data-start=\"1673\" data-end=\"1676\"\u003eAFMD25141\u003cbr data-start=\"1685\" data-end=\"1688\"\u003eAFMD25151\u003c\/p\u003e\n\u003cp data-start=\"1701\" data-end=\"1760\"\u003eAFMD30111\u003cbr data-start=\"1710\" data-end=\"1713\"\u003eAFMD30121\u003cbr data-start=\"1722\" data-end=\"1725\"\u003eAFMD30131\u003cbr data-start=\"1734\" data-end=\"1737\"\u003eAFMD30141\u003cbr data-start=\"1746\" data-end=\"1749\"\u003eAFMD30151\u003c\/p\u003e\n\u003cp data-start=\"1762\" data-end=\"1821\"\u003eAFMD35111\u003cbr data-start=\"1771\" data-end=\"1774\"\u003eAFMD35121\u003cbr data-start=\"1783\" data-end=\"1786\"\u003eAFMD35131\u003cbr data-start=\"1795\" data-end=\"1798\"\u003eAFMD35141\u003cbr data-start=\"1807\" data-end=\"1810\"\u003eAFMD35151\u003c\/p\u003e\n\u003chr data-start=\"1823\" data-end=\"1826\"\u003e\n\u003ch2 data-start=\"1828\" data-end=\"1842\"\u003eAFLA Series\u003c\/h2\u003e\n\u003cp data-start=\"1844\" data-end=\"1879\"\u003eAFLA35211\u003cbr data-start=\"1853\" data-end=\"1856\"\u003eAFLA35221\u003cbr data-start=\"1865\" data-end=\"1868\"\u003eAFLA35231\u003c\/p\u003e\n\u003cp data-start=\"1881\" data-end=\"1916\"\u003eAFLA40211\u003cbr data-start=\"1890\" data-end=\"1893\"\u003eAFLA40221\u003cbr data-start=\"1902\" data-end=\"1905\"\u003eAFLA40231\u003c\/p\u003e\n\u003cp data-start=\"1918\" data-end=\"1929\"\u003eAFLD35111\u003c\/p\u003e\n\u003chr data-start=\"1931\" data-end=\"1934\"\u003e\n\u003ch2 data-start=\"1936\" data-end=\"1950\"\u003eAFLD Series\u003c\/h2\u003e\n\u003cp data-start=\"1952\" data-end=\"1975\"\u003eAFLD35121\u003cbr data-start=\"1961\" data-end=\"1964\"\u003eAFLD35131\u003c\/p\u003e\n\u003cp data-start=\"1977\" data-end=\"2025\"\u003eAFLD40111\u003cbr data-start=\"1986\" data-end=\"1989\"\u003eAFLD40121\u003cbr data-start=\"1998\" data-end=\"2001\"\u003eAFLD40121W\u003cbr data-start=\"2011\" data-end=\"2014\"\u003eAFLD40131\u003c\/p\u003e\n\u003chr data-start=\"2027\" data-end=\"2030\"\u003e\n\u003cblockquote data-start=\"2032\" data-end=\"2132\"\u003e\n\u003cp data-start=\"2034\" data-end=\"2132\"\u003eAlways verify your furnace model number and confirm it originally used part 31094 before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"2134\" data-end=\"2137\"\u003e\n\u003ch2 data-start=\"2139\" data-end=\"2182\"\u003eWhen Should You Replace the Sail Switch?\u003c\/h2\u003e\n\u003cp data-start=\"2184\" data-end=\"2227\"\u003eYou may need to replace the sail switch if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2231\" data-end=\"2279\"\u003eFurnace blower runs but burner will not ignite\u003c\/li\u003e\n\u003cli data-start=\"2282\" data-end=\"2324\"\u003eFurnace attempts ignition but shuts down\u003c\/li\u003e\n\u003cli data-start=\"2327\" data-end=\"2352\"\u003eHeating is intermittent\u003c\/li\u003e\n\u003cli data-start=\"2355\" data-end=\"2396\"\u003eAirflow-related ignition lockout occurs\u003c\/li\u003e\n\u003cli data-start=\"2399\" data-end=\"2444\"\u003eSail paddle is bent, stuck, or contaminated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2446\" data-end=\"2523\"\u003eThe sail switch is one of the most frequently replaced RV furnace components.\u003c\/p\u003e\n\u003chr data-start=\"2525\" data-end=\"2528\"\u003e\n\u003ch2 data-start=\"2530\" data-end=\"2555\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2557\" data-end=\"2782\"\u003eManufacturer: M.C. Enterprises\u003cbr data-start=\"2587\" data-end=\"2590\"\u003ePart Number: 31094MC\u003cbr data-start=\"2610\" data-end=\"2613\"\u003eReplaces: Dometic™ \/ Atwood 31094\u003cbr data-start=\"2646\" data-end=\"2649\"\u003eComponent: Low Air Flow Switch (Sail Switch)\u003cbr data-start=\"2693\" data-end=\"2696\"\u003eApplication: AFSD, AFMD, AFLA \u0026amp; AFLD Series Furnaces\u003cbr data-start=\"2748\" data-end=\"2751\"\u003eType: Aftermarket Replacement\u003c\/p\u003e\n\u003chr data-start=\"2784\" data-end=\"2787\"\u003e\n\u003ch2 data-start=\"2789\" data-end=\"2824\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"2826\" data-end=\"2940\"\u003e\u003cstrong data-start=\"2826\" data-end=\"2862\"\u003eQ: Is this an OEM Dometic™ part?\u003c\/strong\u003e\u003cbr data-start=\"2862\" data-end=\"2865\"\u003eA: No. This is an aftermarket replacement manufactured by M.C. Enterprises.\u003c\/p\u003e\n\u003cp data-start=\"2942\" data-end=\"3036\"\u003e\u003cstrong data-start=\"2942\" data-end=\"2976\"\u003eQ: What does a sail switch do?\u003c\/strong\u003e\u003cbr data-start=\"2976\" data-end=\"2979\"\u003eA: It confirms sufficient blower airflow before ignition.\u003c\/p\u003e\n\u003cp data-start=\"3038\" data-end=\"3187\"\u003e\u003cstrong data-start=\"3038\" data-end=\"3113\"\u003eQ: Will this fix a furnace where the blower runs but there is no flame?\u003c\/strong\u003e\u003cbr data-start=\"3113\" data-end=\"3116\"\u003eA: A failed sail switch is one of the most common causes of that issue.\u003c\/p\u003e\n\u003cp data-start=\"3189\" data-end=\"3311\"\u003e\u003cstrong data-start=\"3189\" data-end=\"3227\"\u003eQ: How do I confirm compatibility?\u003c\/strong\u003e\u003cbr data-start=\"3227\" data-end=\"3230\"\u003eA: Verify your furnace model number and check the original part number installed.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857561075953,"sku":null,"price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/31094sailMC.jpg?v=1772393352"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/collections\/ChatGPT_Image_Mar_22_2026_01_58_33_PM.png?v=1774203016","url":"https:\/\/rvfurnaceguys.com\/collections\/mojave-large-afla-afld-series-parts.oembed","provider":"RV Furnace Guys","version":"1.0","type":"link"}