{"title":"Dometic Limit Switch","description":"","products":[{"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-37021-furnace-limit-switch-8900-ii-8900-iii-series","title":"Dometic \/ Atwood 37021 Furnace Limit Switch – 8900-II \/ 8900-III Series","description":"\u003ch2 data-start=\"139\" data-end=\"215\"\u003eDometic \/ Atwood 37021 Furnace Limit Switch – 8900-II \/ 8900-III Series\u003c\/h2\u003e\n\u003cp data-start=\"216\" data-end=\"243\"\u003e\u003cstrong data-start=\"216\" data-end=\"243\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"245\" data-end=\"416\"\u003e\u003cstrong data-start=\"245\" data-end=\"261\"\u003ePart Number:\u003c\/strong\u003e 37021\u003cbr data-start=\"267\" data-end=\"270\"\u003e\u003cstrong data-start=\"270\" data-end=\"287\"\u003eProduct Type:\u003c\/strong\u003e Furnace Limit Switch (High Temperature Safety Switch)\u003cbr data-start=\"341\" data-end=\"344\"\u003e\u003cstrong data-start=\"344\" data-end=\"360\"\u003eApplication:\u003c\/strong\u003e Atwood HydroFlame® 8900-II \u0026amp; 8900-III Series Furnaces\u003c\/p\u003e\n\u003chr data-start=\"418\" data-end=\"421\"\u003e\n\u003ch3 data-start=\"423\" data-end=\"445\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"447\" data-end=\"627\"\u003eThe \u003cstrong data-start=\"451\" data-end=\"498\"\u003eDometic \/ Atwood 37021 Furnace Limit Switch\u003c\/strong\u003e is a genuine OEM high-temperature safety switch designed for select \u003cstrong data-start=\"567\" data-end=\"626\"\u003eAtwood HydroFlame® 8900-II and 8900-III series furnaces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"629\" data-end=\"900\"\u003eThis limit switch monitors the internal temperature of the furnace and automatically interrupts burner operation if temperatures exceed safe operating limits. It plays a critical role in preventing overheating and protecting the heat exchanger and surrounding components.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1147\"\u003eIf your furnace is shutting down after ignition, short-cycling once warmed up, or failing to maintain burner operation, a weak or failed limit switch may be the cause. Replacing it with OEM Part 37021 restores safe, reliable heating performance.\u003c\/p\u003e\n\u003cp data-start=\"1149\" data-end=\"1263\"\u003eManufactured to original equipment specifications, this component ensures proper fitment and dependable operation.\u003c\/p\u003e\n\u003chr data-start=\"1265\" data-end=\"1268\"\u003e\n\u003ch3 data-start=\"1270\" data-end=\"1288\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1292\" data-end=\"1339\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1342\" data-end=\"1380\"\u003eHigh-temperature overheat protection\u003c\/li\u003e\n\u003cli data-start=\"1383\" data-end=\"1427\"\u003eDesigned for 8900-II and 8900-III furnaces\u003c\/li\u003e\n\u003cli data-start=\"1430\" data-end=\"1463\"\u003eRestores safe furnace operation\u003c\/li\u003e\n\u003cli data-start=\"1466\" data-end=\"1524\"\u003eDirect replacement for original factory-installed switch\u003c\/li\u003e\n\u003cli data-start=\"1527\" data-end=\"1573\"\u003eManufactured to original equipment standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1575\" data-end=\"1578\"\u003e\n\u003ch3 data-start=\"1580\" data-end=\"1611\"\u003eCompatible Furnace Models\u003c\/h3\u003e\n\u003cp data-start=\"1613\" data-end=\"1650\"\u003e\u003cstrong data-start=\"1613\" data-end=\"1650\"\u003eAtwood HydroFlame® 8900-II Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1653\" data-end=\"1665\"\u003e8935-AC-II\u003c\/li\u003e\n\u003cli data-start=\"1668\" data-end=\"1680\"\u003e8935-DC-II\u003c\/li\u003e\n\u003cli data-start=\"1683\" data-end=\"1695\"\u003e8940-AC-II\u003c\/li\u003e\n\u003cli data-start=\"1698\" data-end=\"1710\"\u003e8940-DC-II\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1712\" data-end=\"1750\"\u003e\u003cstrong data-start=\"1712\" data-end=\"1750\"\u003eAtwood HydroFlame® 8900-III Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1753\" data-end=\"1766\"\u003e8935-AC-III\u003c\/li\u003e\n\u003cli data-start=\"1769\" data-end=\"1782\"\u003e8935-DC-III\u003c\/li\u003e\n\u003cli data-start=\"1785\" data-end=\"1798\"\u003e8940-AC-III\u003c\/li\u003e\n\u003cli data-start=\"1801\" data-end=\"1814\"\u003e8940-DC-III\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"1816\" data-end=\"1896\"\u003e\n\u003cp data-start=\"1818\" data-end=\"1896\"\u003eAlways verify your exact furnace model on the unit data plate before ordering.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1898\" data-end=\"1901\"\u003e\n\u003ch3 data-start=\"1903\" data-end=\"1948\"\u003eWhen Should You Replace the Limit Switch?\u003c\/h3\u003e\n\u003cp data-start=\"1950\" data-end=\"2005\"\u003eYou may need to replace the limit switch if you notice:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2009\" data-end=\"2048\"\u003eFurnace ignites but shuts off quickly\u003c\/li\u003e\n\u003cli data-start=\"2051\" data-end=\"2075\"\u003eRepeated short cycling\u003c\/li\u003e\n\u003cli data-start=\"2078\" data-end=\"2124\"\u003eBurner operation stops once furnace heats up\u003c\/li\u003e\n\u003cli data-start=\"2127\" data-end=\"2177\"\u003eDiagnostic testing confirms limit switch failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2179\" data-end=\"2280\"\u003eThe limit switch is a critical safety device and should always be replaced with the correct OEM part.\u003c\/p\u003e\n\u003chr data-start=\"2282\" data-end=\"2285\"\u003e\n\u003ch3 data-start=\"2287\" data-end=\"2315\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2319\" data-end=\"2355\"\u003e\n\u003cstrong data-start=\"2319\" data-end=\"2336\"\u003eManufacturer:\u003c\/strong\u003e Dometic \/ Atwood\u003c\/li\u003e\n\u003cli data-start=\"2358\" data-end=\"2382\"\u003e\n\u003cstrong data-start=\"2358\" data-end=\"2374\"\u003ePart Number:\u003c\/strong\u003e 37021\u003c\/li\u003e\n\u003cli data-start=\"2385\" data-end=\"2426\"\u003e\n\u003cstrong data-start=\"2385\" data-end=\"2399\"\u003eComponent:\u003c\/strong\u003e High Limit Safety Switch\u003c\/li\u003e\n\u003cli data-start=\"2429\" data-end=\"2473\"\u003e\n\u003cstrong data-start=\"2429\" data-end=\"2445\"\u003eApplication:\u003c\/strong\u003e 8900-II \u0026amp; 8900-III Series\u003c\/li\u003e\n\u003cli data-start=\"2476\" data-end=\"2509\"\u003e\n\u003cstrong data-start=\"2476\" data-end=\"2489\"\u003eIncludes:\u003c\/strong\u003e Limit switch only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2511\" data-end=\"2514\"\u003e\n\u003ch2 data-start=\"2516\" data-end=\"2551\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3 data-start=\"2553\" data-end=\"2598\"\u003eQ: What does a furnace limit switch do?\u003c\/h3\u003e\n\u003cp data-start=\"2599\" data-end=\"2707\"\u003eA: It prevents overheating by shutting off the burner circuit when internal temperatures exceed safe limits.\u003c\/p\u003e\n\u003chr data-start=\"2709\" data-end=\"2712\"\u003e\n\u003ch3 data-start=\"2714\" data-end=\"2753\"\u003eQ: Will this fit 8900-I furnaces?\u003c\/h3\u003e\n\u003cp data-start=\"2754\" data-end=\"2877\"\u003eA: This listing is specifically for 8900-II and 8900-III series models. Always confirm your furnace series before ordering.\u003c\/p\u003e\n\u003chr data-start=\"2879\" data-end=\"2882\"\u003e\n\u003ch3 data-start=\"2884\" data-end=\"2930\"\u003eQ: Is this an OEM Dometic \/ Atwood part?\u003c\/h3\u003e\n\u003cp data-start=\"2931\" data-end=\"2989\"\u003eA: Yes. Part 37021 is a genuine OEM replacement component.\u003c\/p\u003e\n\u003chr data-start=\"2991\" data-end=\"2994\"\u003e\n\u003ch3 data-start=\"2996\" data-end=\"3048\"\u003eQ: Can a bad limit switch cause short cycling?\u003c\/h3\u003e\n\u003cp data-start=\"3049\" data-end=\"3150\"\u003eA: Yes. A weak or failing limit switch can cause the furnace to shut down prematurely after ignition.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47854803550449,"sku":null,"price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/37021.png?v=1772314431"},{"product_id":"dometic-atwood-37022-furnace-limit-switch-8500-iii-8500-iv-8500-ld","title":"Dometic \/ Atwood 37022 Furnace Limit Switch – 8500-III \/ 8500-IV \/ 8500 LD","description":"\u003ch2 data-start=\"167\" data-end=\"246\"\u003eDometic \/ Atwood 37022 Furnace Limit Switch – 8500-III \/ 8500-IV \/ 8500 LD\u003c\/h2\u003e\n\u003cp data-start=\"247\" data-end=\"274\"\u003e\u003cstrong data-start=\"247\" data-end=\"274\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"276\" data-end=\"444\"\u003e\u003cstrong data-start=\"276\" data-end=\"292\"\u003ePart Number:\u003c\/strong\u003e 37022\u003cbr data-start=\"298\" data-end=\"301\"\u003e\u003cstrong data-start=\"301\" data-end=\"318\"\u003eProduct Type:\u003c\/strong\u003e Furnace Limit Switch (High Temperature Safety Switch)\u003cbr data-start=\"372\" data-end=\"375\"\u003e\u003cstrong data-start=\"375\" data-end=\"391\"\u003eApplication:\u003c\/strong\u003e Atwood 8500-III, 8500-IV \u0026amp; 8500 LD Series Furnaces\u003c\/p\u003e\n\u003chr data-start=\"446\" data-end=\"449\"\u003e\n\u003ch3 data-start=\"451\" data-end=\"473\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"475\" data-end=\"653\"\u003eThe \u003cstrong data-start=\"479\" data-end=\"526\"\u003eDometic \/ Atwood 37022 Furnace Limit Switch\u003c\/strong\u003e is a genuine OEM high-temperature safety switch designed for select \u003cstrong data-start=\"595\" data-end=\"652\"\u003eAtwood 8500-III, 8500-IV, and 8500 LD series furnaces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"655\" data-end=\"896\"\u003eThis limit switch monitors internal furnace temperature and automatically interrupts burner operation if temperatures exceed safe operating levels. It plays a critical role in protecting the heat exchanger and preventing furnace overheating.\u003c\/p\u003e\n\u003cp data-start=\"898\" data-end=\"1151\"\u003eIf your furnace ignites but shuts down quickly, short-cycles once heated, or fails to maintain burner operation, a faulty limit switch may be the cause. Replacing it with OEM Part 37022 restores proper safety protection and reliable heating performance.\u003c\/p\u003e\n\u003cp data-start=\"1153\" data-end=\"1282\"\u003eManufactured to original equipment specifications, this component ensures correct temperature calibration and dependable fitment.\u003c\/p\u003e\n\u003chr data-start=\"1284\" data-end=\"1287\"\u003e\n\u003ch3 data-start=\"1289\" data-end=\"1307\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1311\" data-end=\"1358\"\u003eGenuine OEM Dometic \/ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1361\" data-end=\"1396\"\u003eHigh-limit overheat safety switch\u003c\/li\u003e\n\u003cli data-start=\"1399\" data-end=\"1450\"\u003eDesigned for 8500-III, 8500-IV and 8500 LD series\u003c\/li\u003e\n\u003cli data-start=\"1453\" data-end=\"1508\"\u003eProtects furnace from excessive internal temperatures\u003c\/li\u003e\n\u003cli data-start=\"1511\" data-end=\"1557\"\u003eRestores safe and reliable heating operation\u003c\/li\u003e\n\u003cli data-start=\"1560\" data-end=\"1606\"\u003eManufactured to original equipment standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1608\" data-end=\"1611\"\u003e\n\u003ch3 data-start=\"1613\" data-end=\"1644\"\u003eCompatible Furnace Models\u003c\/h3\u003e\n\u003cp data-start=\"1646\" data-end=\"1680\"\u003ePart \u003cstrong data-start=\"1651\" data-end=\"1660\"\u003e37022\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cp data-start=\"1682\" data-end=\"1703\"\u003e\u003cstrong data-start=\"1682\" data-end=\"1701\"\u003e8500-III Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1706\" data-end=\"1716\"\u003e8516-III\u003c\/li\u003e\n\u003cli data-start=\"1719\" data-end=\"1729\"\u003e8520-III\u003c\/li\u003e\n\u003cli data-start=\"1732\" data-end=\"1742\"\u003e8525-III\u003c\/li\u003e\n\u003cli data-start=\"1745\" data-end=\"1755\"\u003e8531-III\u003c\/li\u003e\n\u003cli data-start=\"1758\" data-end=\"1768\"\u003e8535-III\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1770\" data-end=\"1790\"\u003e\u003cstrong data-start=\"1770\" data-end=\"1788\"\u003e8500-IV Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1793\" data-end=\"1802\"\u003e8516-IV\u003c\/li\u003e\n\u003cli data-start=\"1805\" data-end=\"1814\"\u003e8520-IV\u003c\/li\u003e\n\u003cli data-start=\"1817\" data-end=\"1826\"\u003e8525-IV\u003c\/li\u003e\n\u003cli data-start=\"1829\" data-end=\"1838\"\u003e8531-IV\u003c\/li\u003e\n\u003cli data-start=\"1841\" data-end=\"1850\"\u003e8535-IV\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1852\" data-end=\"1872\"\u003e\u003cstrong data-start=\"1852\" data-end=\"1870\"\u003e8500 LD Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1875\" data-end=\"1884\"\u003e8516-LD\u003c\/li\u003e\n\u003cli data-start=\"1887\" data-end=\"1896\"\u003e8520-LD\u003c\/li\u003e\n\u003cli data-start=\"1899\" data-end=\"1908\"\u003e8525-LD\u003c\/li\u003e\n\u003cli data-start=\"1911\" data-end=\"1920\"\u003e8531-LD\u003c\/li\u003e\n\u003cli data-start=\"1923\" data-end=\"1932\"\u003e8535-LD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"1934\" data-end=\"2032\"\u003e\n\u003cp data-start=\"1936\" data-end=\"2032\"\u003eAlways verify your furnace model on the unit data plate before ordering to ensure compatibility.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"2034\" data-end=\"2037\"\u003e\n\u003ch3 data-start=\"2039\" data-end=\"2084\"\u003eWhen Should You Replace the Limit Switch?\u003c\/h3\u003e\n\u003cp data-start=\"2086\" data-end=\"2145\"\u003eYou may need to replace the limit switch if you experience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2149\" data-end=\"2194\"\u003eFurnace shutting off shortly after ignition\u003c\/li\u003e\n\u003cli data-start=\"2197\" data-end=\"2221\"\u003eRepeated short cycling\u003c\/li\u003e\n\u003cli data-start=\"2224\" data-end=\"2267\"\u003eBlower running but burner not staying lit\u003c\/li\u003e\n\u003cli data-start=\"2270\" data-end=\"2301\"\u003eOverheat diagnostic condition\u003c\/li\u003e\n\u003cli data-start=\"2304\" data-end=\"2355\"\u003eConfirmed failed switch during electrical testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2357\" data-end=\"2452\"\u003eThe limit switch is a critical safety device and must match your furnace model and calibration.\u003c\/p\u003e\n\u003chr data-start=\"2454\" data-end=\"2457\"\u003e\n\u003ch3 data-start=\"2459\" data-end=\"2487\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2491\" data-end=\"2527\"\u003e\n\u003cstrong data-start=\"2491\" data-end=\"2508\"\u003eManufacturer:\u003c\/strong\u003e Dometic \/ Atwood\u003c\/li\u003e\n\u003cli data-start=\"2530\" data-end=\"2554\"\u003e\n\u003cstrong data-start=\"2530\" data-end=\"2546\"\u003ePart Number:\u003c\/strong\u003e 37022\u003c\/li\u003e\n\u003cli data-start=\"2557\" data-end=\"2598\"\u003e\n\u003cstrong data-start=\"2557\" data-end=\"2571\"\u003eComponent:\u003c\/strong\u003e High Limit Safety Switch\u003c\/li\u003e\n\u003cli data-start=\"2601\" data-end=\"2654\"\u003e\n\u003cstrong data-start=\"2601\" data-end=\"2617\"\u003eApplication:\u003c\/strong\u003e 8500-III, 8500-IV \u0026amp; 8500 LD Series\u003c\/li\u003e\n\u003cli data-start=\"2657\" data-end=\"2690\"\u003e\n\u003cstrong data-start=\"2657\" data-end=\"2670\"\u003eIncludes:\u003c\/strong\u003e Limit switch only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2692\" data-end=\"2695\"\u003e\n\u003ch2 data-start=\"2697\" data-end=\"2732\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3 data-start=\"2734\" data-end=\"2779\"\u003eQ: What does a furnace limit switch do?\u003c\/h3\u003e\n\u003cp data-start=\"2780\" data-end=\"2902\"\u003eA: It protects the furnace from overheating by shutting off burner operation if temperatures exceed safe operating limits.\u003c\/p\u003e\n\u003chr data-start=\"2904\" data-end=\"2907\"\u003e\n\u003ch3 data-start=\"2909\" data-end=\"2949\"\u003eQ: Will this fit 8500-II furnaces?\u003c\/h3\u003e\n\u003cp data-start=\"2950\" data-end=\"3072\"\u003eA: This listing is specifically for 8500-III, 8500-IV, and 8500 LD series models. Always confirm your exact furnace model.\u003c\/p\u003e\n\u003chr data-start=\"3074\" data-end=\"3077\"\u003e\n\u003ch3 data-start=\"3079\" data-end=\"3132\"\u003eQ: Can a bad limit switch cause cycling issues?\u003c\/h3\u003e\n\u003cp data-start=\"3133\" data-end=\"3234\"\u003eA: Yes. A weak or faulty limit switch can cause the furnace to ignite and then shut down prematurely.\u003c\/p\u003e\n\u003chr data-start=\"3236\" data-end=\"3239\"\u003e\n\u003ch3 data-start=\"3241\" data-end=\"3287\"\u003eQ: Is this an OEM Dometic \/ Atwood part?\u003c\/h3\u003e\n\u003cp data-start=\"3288\" data-end=\"3341\"\u003eA: Yes. 37022 is a genuine OEM replacement component.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47854805844209,"sku":null,"price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/37022.png?v=1772314801"},{"product_id":"m-c-enterprises-35132mc-furnace-limit-switch-replacement-for-atwood-rv-furnaces-8500-ii-8940","title":"M.C. Enterprises 35132MC Furnace Limit Switch – Replacement for Atwood RV Furnaces - 8500 II, 8940","description":"\u003ch1 data-section-id=\"kqdr5i\" data-start=\"285\" data-end=\"369\"\u003eM.C. Enterprises 35132MC Furnace Limit Switch – Replacement for Atwood RV Furnaces\u003c\/h1\u003e\n\u003cp data-start=\"371\" data-end=\"669\"\u003eProtect your RV furnace from overheating with the \u003cstrong data-start=\"421\" data-end=\"470\"\u003eM.C. Enterprises 35132MC Furnace Limit Switch\u003c\/strong\u003e. This replacement safety switch is designed for use in \u003cstrong data-start=\"526\" data-end=\"586\"\u003eAtwood Hydro Flame 8500-II and 8900-I series RV furnaces\u003c\/strong\u003e, helping regulate furnace temperature and prevent damage caused by excessive heat.\u003c\/p\u003e\n\u003cp data-start=\"671\" data-end=\"934\"\u003eThe limit switch continuously monitors furnace temperature during operation. If the furnace overheats due to restricted airflow or component failure, the switch \u003cstrong data-start=\"832\" data-end=\"865\"\u003einterrupts the burner circuit\u003c\/strong\u003e, shutting down the furnace to prevent damage to internal components.\u003c\/p\u003e\n\u003cp data-start=\"936\" data-end=\"1161\"\u003eIf your furnace starts but shuts down shortly after ignition or cycles on and off frequently, a faulty \u003cstrong data-start=\"1039\" data-end=\"1055\"\u003elimit switch\u003c\/strong\u003e may be the cause. Replacing the \u003cstrong data-start=\"1088\" data-end=\"1112\"\u003e35132MC limit switch\u003c\/strong\u003e can restore safe and reliable furnace operation.\u003c\/p\u003e\n\u003chr data-start=\"1163\" data-end=\"1166\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1168\" data-end=\"1183\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"1187\" data-end=\"1240\"\u003e\u003cstrong data-start=\"1187\" data-end=\"1240\"\u003eM.C. Enterprises replacement furnace limit switch\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1243\" data-end=\"1290\"\u003eDesigned for \u003cstrong data-start=\"1256\" data-end=\"1290\"\u003eAtwood Hydro Flame RV furnaces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1293\" data-end=\"1326\"\u003eProtects furnace from overheating\u003c\/li\u003e\n\u003cli data-start=\"1329\" data-end=\"1374\"\u003eHelps restore proper furnace safety operation\u003c\/li\u003e\n\u003cli data-start=\"1377\" data-end=\"1439\"\u003eDurable construction for high-temperature furnace environments\u003c\/li\u003e\n\u003cli data-start=\"1442\" data-end=\"1502\"\u003eDirect replacement for worn or failed furnace limit switches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1504\" data-end=\"1507\"\u003e\n\u003ch2 data-section-id=\"18dvupj\" data-start=\"1509\" data-end=\"1537\"\u003eCompatible Furnace Models\u003c\/h2\u003e\n\u003cp data-start=\"1539\" data-end=\"1641\"\u003eThe \u003cstrong data-start=\"1543\" data-end=\"1592\"\u003eM.C. Enterprises 35132MC Furnace Limit Switch\u003c\/strong\u003e is compatible with the following furnace models.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1au5zst\" data-start=\"1643\" data-end=\"1661\"\u003e8500-II Series\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1664\" data-end=\"1673\"\u003e8516-II\u003c\/li\u003e\n\u003cli data-start=\"1676\" data-end=\"1685\"\u003e8520-II\u003c\/li\u003e\n\u003cli data-start=\"1688\" data-end=\"1697\"\u003e8525-II\u003c\/li\u003e\n\u003cli data-start=\"1700\" data-end=\"1709\"\u003e8531-II\u003c\/li\u003e\n\u003cli data-start=\"1712\" data-end=\"1721\"\u003e8535-II\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1r789x4\" data-start=\"1723\" data-end=\"1740\"\u003e8900-I Series\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1771\" data-end=\"1782\"\u003e8940-DC-I\u003c\/li\u003e\n\u003cli data-start=\"1785\" data-end=\"1796\"\u003e8940-AC-I\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1798\" data-end=\"1854\"\u003eAlways verify your furnace model number before ordering.\u003c\/p\u003e\n\u003chr data-start=\"1856\" data-end=\"1859\"\u003e\n\u003ch2 data-section-id=\"zte05f\" data-start=\"1861\" data-end=\"1883\"\u003eWhat This Part Does\u003c\/h2\u003e\n\u003cp data-start=\"1885\" data-end=\"1988\"\u003eThe \u003cstrong data-start=\"1889\" data-end=\"1913\"\u003efurnace limit switch\u003c\/strong\u003e is a critical safety component that protects the furnace from overheating.\u003c\/p\u003e\n\u003cp data-start=\"1990\" data-end=\"2033\"\u003eDuring furnace operation, the limit switch:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2038\" data-end=\"2077\"\u003eMonitors internal furnace temperature\u003c\/li\u003e\n\u003cli data-start=\"2081\" data-end=\"2109\"\u003eDetects unsafe heat levels\u003c\/li\u003e\n\u003cli data-start=\"2113\" data-end=\"2158\"\u003eShuts down the burner if overheating occurs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2160\" data-end=\"2241\"\u003eThis prevents damage to the furnace heat exchanger and other internal components.\u003c\/p\u003e\n\u003chr data-start=\"2243\" data-end=\"2246\"\u003e\n\u003ch2 data-section-id=\"1l2aube\" data-start=\"2248\" data-end=\"2303\"\u003eSigns Your Furnace Limit Switch May Need Replacement\u003c\/h2\u003e\n\u003cp data-start=\"2305\" data-end=\"2373\"\u003eA faulty limit switch can cause several furnace problems, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2377\" data-end=\"2421\"\u003eRV furnace \u003cstrong data-start=\"2388\" data-end=\"2421\"\u003estarts then shuts off quickly\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2424\" data-end=\"2466\"\u003eFurnace \u003cstrong data-start=\"2432\" data-end=\"2466\"\u003eburner shuts down unexpectedly\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2469\" data-end=\"2493\"\u003eFurnace \u003cstrong data-start=\"2477\" data-end=\"2493\"\u003eshort cycles\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2496\" data-end=\"2526\"\u003eFurnace \u003cstrong data-start=\"2504\" data-end=\"2526\"\u003eoverheating issues\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2529\" data-end=\"2570\"\u003eFurnace blower runs but burner shuts down\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2572\" data-end=\"2665\"\u003eReplacing the limit switch can often resolve \u003cstrong data-start=\"2617\" data-end=\"2664\"\u003eRV furnace overheating or shutdown problems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2667\" data-end=\"2670\"\u003e\n\u003ch2 data-section-id=\"1r8frcv\" data-start=\"2672\" data-end=\"2701\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp data-start=\"2703\" data-end=\"2845\"\u003e\u003cstrong data-start=\"2703\" data-end=\"2743\"\u003eWhat does a furnace limit switch do?\u003c\/strong\u003e\u003cbr data-start=\"2743\" data-end=\"2746\"\u003eA limit switch monitors furnace temperature and \u003cstrong data-start=\"2794\" data-end=\"2844\"\u003eshuts down the burner if the furnace overheats\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2847\" data-end=\"2986\"\u003e\u003cstrong data-start=\"2847\" data-end=\"2898\"\u003eWhat happens when a furnace limit switch fails?\u003c\/strong\u003e\u003cbr data-start=\"2898\" data-end=\"2901\"\u003eThe furnace may \u003cstrong data-start=\"2917\" data-end=\"2985\"\u003eshut down during operation, short cycle, or fail to run properly\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2988\" data-end=\"3214\"\u003e\u003cstrong data-start=\"2988\" data-end=\"3036\"\u003eWhich furnaces use the 35132MC limit switch?\u003c\/strong\u003e\u003cbr data-start=\"3036\" data-end=\"3039\"\u003eThis switch is used in select \u003cstrong data-start=\"3069\" data-end=\"3126\"\u003eAtwood Hydro Flame 8500-II and 8900-I series furnaces\u003c\/strong\u003e, including models 8516-II, 8520-II, 8525-II, 8531-II, 8535-II, 8935, and 8940 furnaces.\u003c\/p\u003e\n\u003chr data-start=\"3216\" data-end=\"3219\"\u003e\n\u003ch2 data-section-id=\"1n9sz8f\" data-start=\"3221\" data-end=\"3255\"\u003eWhy Buy From RVFurnaceGuys.com?\u003c\/h2\u003e\n\u003cp data-start=\"3257\" data-end=\"3510\"\u003eAt \u003cstrong data-start=\"3260\" data-end=\"3281\"\u003eRVFurnaceGuys.com\u003c\/strong\u003e, we specialize exclusively in \u003cstrong data-start=\"3312\" data-end=\"3354\"\u003eRV furnace parts and repair components\u003c\/strong\u003e. Our goal is to help RV owners and technicians diagnose heating problems quickly and find the correct replacement parts to get their furnace running again.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47879804125425,"sku":null,"price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/35132MC.jpg?v=1772902077"}],"url":"https:\/\/rvfurnaceguys.com\/collections\/dometic-limit-switch.oembed","provider":"RV Furnace Guys","version":"1.0","type":"link"}