{"title":"Combustions Chambers, Heat Exchangers, and Cores - Dometic","description":"\u003ch3 data-start=\"3466\" data-end=\"3479\"\u003eThis Category Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"3482\" data-end=\"3502\"\u003eCombustion Chamber\u003c\/li\u003e\n\u003cli data-start=\"3505\" data-end=\"3514\"\u003eChamber\u003c\/li\u003e\n\u003cli data-start=\"3517\" data-end=\"3523\"\u003eCore\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"dometic™-atwood-33301-oem-heat-exchanger-dfm-series-medium-furnaces","title":"Dometic™ Atwood 33301 OEM Heat Exchanger – DFM Series Medium Furnaces - Special Order","description":"\u003ch2 data-start=\"217\" data-end=\"291\"\u003eDometic™ Atwood 33301 OEM Heat Exchanger – DFM Series Medium Furnaces\u003c\/h2\u003e\n\u003cp data-start=\"292\" data-end=\"378\"\u003e\u003cstrong data-start=\"292\" data-end=\"348\"\u003eSpecial Order Item (7–14 Business Days for Shipping)\u003c\/strong\u003e\u003cbr data-start=\"348\" data-end=\"351\"\u003e\u003cstrong data-start=\"351\" data-end=\"378\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"380\" data-end=\"501\"\u003e\u003cstrong data-start=\"380\" data-end=\"396\"\u003ePart Number:\u003c\/strong\u003e 33301\u003cbr data-start=\"402\" data-end=\"405\"\u003e\u003cstrong data-start=\"405\" data-end=\"422\"\u003eProduct Type:\u003c\/strong\u003e Furnace Heat Exchanger\u003cbr data-start=\"445\" data-end=\"448\"\u003e\u003cstrong data-start=\"448\" data-end=\"464\"\u003eApplication:\u003c\/strong\u003e Dometic DFM Series Medium Furnaces\u003c\/p\u003e\n\u003chr data-start=\"503\" data-end=\"506\"\u003e\n\u003ch2 data-start=\"508\" data-end=\"527\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"529\" data-end=\"686\"\u003eThe \u003cstrong data-start=\"533\" data-end=\"577\"\u003eDometic™ Atwood 33301 OEM Heat Exchanger\u003c\/strong\u003e is a genuine factory replacement heat exchanger designed specifically for \u003cstrong data-start=\"652\" data-end=\"685\"\u003eDFM Series medium RV furnaces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"688\" data-end=\"1039\"\u003eThe heat exchanger is one of the most critical components in an RV furnace. It transfers heat from the combustion chamber into the airflow system while keeping exhaust gases completely separated from the interior air supply. A damaged or cracked heat exchanger can lead to furnace shutdowns, poor heating performance, and potentially unsafe operation.\u003c\/p\u003e\n\u003cp data-start=\"1041\" data-end=\"1179\"\u003eReplacing a compromised heat exchanger with OEM Part 33301 restores safe heat transfer, proper furnace efficiency, and reliable operation.\u003c\/p\u003e\n\u003cp data-start=\"1181\" data-end=\"1311\"\u003eManufactured to Dometic’s original equipment specifications, this heat exchanger ensures precise fitment and long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"1313\" data-end=\"1411\"\u003e\u003cstrong data-start=\"1313\" data-end=\"1329\"\u003ePlease Note:\u003c\/strong\u003e This is a \u003cem data-start=\"1340\" data-end=\"1355\"\u003eSpecial Order\u003c\/em\u003e item and typically ships within \u003cstrong data-start=\"1388\" data-end=\"1410\"\u003e7–14 business days\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1413\" data-end=\"1416\"\u003e\n\u003ch2 data-start=\"1418\" data-end=\"1433\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"1437\" data-end=\"1483\"\u003eGenuine OEM Dometic™ Atwood replacement part\u003c\/li\u003e\n\u003cli data-start=\"1486\" data-end=\"1540\"\u003eDesigned specifically for DFM Series medium furnaces\u003c\/li\u003e\n\u003cli data-start=\"1543\" data-end=\"1579\"\u003eRestores safe combustion isolation\u003c\/li\u003e\n\u003cli data-start=\"1582\" data-end=\"1615\"\u003eEnsures efficient heat transfer\u003c\/li\u003e\n\u003cli data-start=\"1618\" data-end=\"1650\"\u003eDirect-fit factory replacement\u003c\/li\u003e\n\u003cli data-start=\"1653\" data-end=\"1692\"\u003eSpecial Order item (7–14 business days)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1694\" data-end=\"1697\"\u003e\n\u003ch2 data-start=\"1699\" data-end=\"1727\"\u003eCompatible Furnace Models\u003c\/h2\u003e\n\u003cp data-start=\"1729\" data-end=\"1763\"\u003ePart \u003cstrong data-start=\"1734\" data-end=\"1743\"\u003e33301\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cp data-start=\"1765\" data-end=\"1803\"\u003e\u003cstrong data-start=\"1765\" data-end=\"1803\"\u003eDometic DFM Series Medium Furnaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote data-start=\"1805\" data-end=\"1890\"\u003e\n\u003cp data-start=\"1807\" data-end=\"1890\"\u003eAlways verify your exact DFM furnace model before ordering to ensure compatibility.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1892\" data-end=\"1895\"\u003e\n\u003ch2 data-start=\"1897\" data-end=\"1943\"\u003eWhen Should You Replace the Heat Exchanger?\u003c\/h2\u003e\n\u003cp data-start=\"1945\" data-end=\"1991\"\u003eYou may need to replace the heat exchanger if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1995\" data-end=\"2036\"\u003eVisible cracks or corrosion are present\u003c\/li\u003e\n\u003cli data-start=\"2039\" data-end=\"2087\"\u003eFurnace repeatedly trips the high-limit switch\u003c\/li\u003e\n\u003cli data-start=\"2090\" data-end=\"2137\"\u003eSoot buildup or abnormal flame patterns occur\u003c\/li\u003e\n\u003cli data-start=\"2140\" data-end=\"2187\"\u003eInternal inspection reveals structural damage\u003c\/li\u003e\n\u003cli data-start=\"2190\" data-end=\"2235\"\u003eFurnace safety inspection indicates failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2237\" data-end=\"2335\"\u003eA compromised heat exchanger should be replaced immediately to maintain safe RV heating operation.\u003c\/p\u003e\n\u003chr data-start=\"2337\" data-end=\"2340\"\u003e\n\u003ch2 data-start=\"2342\" data-end=\"2367\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2369\" data-end=\"2578\"\u003eManufacturer: Dometic™ Atwood\u003cbr data-start=\"2398\" data-end=\"2401\"\u003ePart Number: 33301\u003cbr data-start=\"2419\" data-end=\"2422\"\u003eComponent: Heat Exchanger\u003cbr data-start=\"2447\" data-end=\"2450\"\u003eApplication: DFM Series Medium Furnaces\u003cbr data-start=\"2489\" data-end=\"2492\"\u003eAvailability: Special Order – 7–14 Business Days\u003cbr data-start=\"2540\" data-end=\"2543\"\u003eIncludes: Heat exchanger assembly\u003c\/p\u003e\n\u003chr data-start=\"2580\" data-end=\"2583\"\u003e\n\u003ch2 data-start=\"2585\" data-end=\"2620\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"2622\" data-end=\"2772\"\u003e\u003cstrong data-start=\"2622\" data-end=\"2665\"\u003eQ: Why is the heat exchanger important?\u003c\/strong\u003e\u003cbr data-start=\"2665\" data-end=\"2668\"\u003eA: It safely transfers combustion heat while preventing exhaust gases from entering the RV living space.\u003c\/p\u003e\n\u003cp data-start=\"2774\" data-end=\"2925\"\u003e\u003cstrong data-start=\"2774\" data-end=\"2812\"\u003eQ: Why is this part Special Order?\u003c\/strong\u003e\u003cbr data-start=\"2812\" data-end=\"2815\"\u003eA: Heat exchangers are not typically stocked for immediate shipment and must be ordered from the manufacturer.\u003c\/p\u003e\n\u003cp data-start=\"2927\" data-end=\"3048\"\u003e\u003cstrong data-start=\"2927\" data-end=\"2978\"\u003eQ: Is this compatible with AFMD or DFMD models?\u003c\/strong\u003e\u003cbr data-start=\"2978\" data-end=\"2981\"\u003eA: No. This listing is specifically for DFM Series medium furnaces.\u003c\/p\u003e\n\u003cp data-start=\"3050\" data-end=\"3153\"\u003e\u003cstrong data-start=\"3050\" data-end=\"3077\"\u003eQ: Is this an OEM part?\u003c\/strong\u003e\u003cbr data-start=\"3077\" data-end=\"3080\"\u003eA: Yes. 33301 is a genuine Dometic™ Atwood factory replacement component.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857525588209,"sku":null,"price":98.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/33301exchanger.jpg?v=1772389851"},{"product_id":"dometic™-atwood-33302-large-heat-exchanger-service-kit-dfld-series","title":"Dometic™ Atwood 33302 Large Heat Exchanger Service Kit – DFLD Series - Special Order","description":"\u003ch2 data-end=\"236\" data-start=\"163\"\u003eDometic™ Atwood 33302 Large Heat Exchanger Service Kit – DFLD Series\u003c\/h2\u003e\n\u003cp data-end=\"264\" data-start=\"237\"\u003e\u003cstrong data-end=\"264\" data-start=\"237\"\u003eSpecial Order Item (7–14 Business Days for Shipping)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"264\" data-start=\"237\"\u003e\u003cstrong data-end=\"264\" data-start=\"237\"\u003eGenuine OEM Replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"383\" data-start=\"266\"\u003e\u003cstrong data-end=\"282\" data-start=\"266\"\u003ePart Number:\u003c\/strong\u003e 33302\u003cbr data-end=\"291\" data-start=\"288\"\u003e\u003cstrong data-end=\"308\" data-start=\"291\"\u003eProduct Type:\u003c\/strong\u003e Large Heat Exchanger Service Kit\u003cbr data-end=\"344\" data-start=\"341\"\u003e\u003cstrong data-end=\"360\" data-start=\"344\"\u003eApplication:\u003c\/strong\u003e DFLD Series Furnaces\u003c\/p\u003e\n\u003chr data-end=\"388\" data-start=\"385\"\u003e\n\u003ch2 data-end=\"409\" data-start=\"390\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-end=\"551\" data-start=\"411\"\u003eThe \u003cstrong data-end=\"473\" data-start=\"415\"\u003eDometic™ Atwood 33302 Large Heat Exchanger Service Kit\u003c\/strong\u003e is a genuine OEM service kit designed for select \u003cstrong data-end=\"550\" data-start=\"523\"\u003eDFLD series RV furnaces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"908\" data-start=\"553\"\u003eThe heat exchanger is one of the most critical safety components in an RV furnace. It transfers heat from the combustion chamber to the interior air supply while keeping exhaust gases completely separated from the living space. A cracked, corroded, or compromised heat exchanger can cause furnace shutdowns, poor heating performance, and unsafe operation.\u003c\/p\u003e\n\u003cp data-end=\"1072\" data-start=\"910\"\u003eThis large heat exchanger service kit provides the necessary components for properly servicing and restoring compatible DFLD furnaces to safe operating condition.\u003c\/p\u003e\n\u003cp data-end=\"1221\" data-start=\"1074\"\u003eManufactured to original Dometic specifications, Part 33302 ensures proper combustion isolation, efficient heat transfer, and long-term durability.\u003c\/p\u003e\n\u003cp data-end=\"1221\" data-start=\"1074\"\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-end=\"1226\" data-start=\"1223\"\u003e\n\u003ch2 data-end=\"1243\" data-start=\"1228\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"1294\" data-start=\"1247\"\u003eGenuine OEM Dometic™ \/ Atwood replacement kit\u003c\/li\u003e\n\u003cli data-end=\"1332\" data-start=\"1297\"\u003eDesigned for DFLD series furnaces\u003c\/li\u003e\n\u003cli data-end=\"1371\" data-start=\"1335\"\u003eLarge heat exchanger configuration\u003c\/li\u003e\n\u003cli data-end=\"1411\" data-start=\"1374\"\u003eRestores safe combustion separation\u003c\/li\u003e\n\u003cli data-end=\"1443\" data-start=\"1414\"\u003eImproves heating efficiency\u003c\/li\u003e\n\u003cli data-end=\"1478\" data-start=\"1446\"\u003eDirect service replacement kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1483\" data-start=\"1480\"\u003e\n\u003ch2 data-end=\"1511\" data-start=\"1485\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp data-end=\"1547\" data-start=\"1513\"\u003ePart \u003cstrong data-end=\"1527\" data-start=\"1518\"\u003e33302\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cp data-end=\"1581\" data-start=\"1549\"\u003e\u003cstrong data-end=\"1581\" data-start=\"1549\"\u003eDometic DFLD Series Furnaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote data-end=\"1710\" data-start=\"1583\"\u003e\n\u003cp data-end=\"1710\" data-start=\"1585\"\u003eAlways confirm your furnace model number before ordering to ensure compatibility with the large heat exchanger configuration.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-end=\"1715\" data-start=\"1712\"\u003e\n\u003ch2 data-end=\"1763\" data-start=\"1717\"\u003eWhen Should You Replace the Heat Exchanger?\u003c\/h2\u003e\n\u003cp data-end=\"1822\" data-start=\"1765\"\u003eYou may need to service or replace the heat exchanger if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1867\" data-start=\"1826\"\u003eVisible cracks or corrosion are present\u003c\/li\u003e\n\u003cli data-end=\"1914\" data-start=\"1870\"\u003eFurnace repeatedly trips high-limit switch\u003c\/li\u003e\n\u003cli data-end=\"1965\" data-start=\"1917\"\u003eSoot buildup or abnormal flame behavior occurs\u003c\/li\u003e\n\u003cli data-end=\"2019\" data-start=\"1968\"\u003eInternal inspection reveals heat exchanger damage\u003c\/li\u003e\n\u003cli data-end=\"2055\" data-start=\"2022\"\u003eFurnace fails safety inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2155\" data-start=\"2057\"\u003eA compromised heat exchanger should be replaced immediately to maintain safe RV heating operation.\u003c\/p\u003e\n\u003chr data-end=\"2160\" data-start=\"2157\"\u003e\n\u003ch2 data-end=\"2187\" data-start=\"2162\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-end=\"2369\" data-start=\"2189\"\u003eManufacturer: Dometic™ Atwood\u003cbr data-end=\"2221\" data-start=\"2218\"\u003ePart Number: 33302\u003cbr data-end=\"2242\" data-start=\"2239\"\u003eComponent: Large Heat Exchanger Service Kit\u003cbr data-end=\"2288\" data-start=\"2285\"\u003eApplication: DFLD Series Furnaces\u003cbr data-end=\"2324\" data-start=\"2321\"\u003eIncludes: Heat exchanger service components\u003c\/p\u003e\n\u003chr data-end=\"2374\" data-start=\"2371\"\u003e\n\u003ch2 data-end=\"2411\" data-start=\"2376\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-end=\"2562\" data-start=\"2413\"\u003e\u003cstrong data-end=\"2452\" data-start=\"2413\"\u003eQ: What does the heat exchanger do?\u003c\/strong\u003e\u003cbr data-end=\"2455\" data-start=\"2452\"\u003eA: It transfers combustion heat into the airflow system while isolating exhaust gases from the RV interior.\u003c\/p\u003e\n\u003cp data-end=\"2746\" data-start=\"2564\"\u003e\u003cstrong data-end=\"2609\" data-start=\"2564\"\u003eQ: What does “Large” heat exchanger mean?\u003c\/strong\u003e\u003cbr data-end=\"2612\" data-start=\"2609\"\u003eA: Certain DFLD furnaces use larger combustion chamber assemblies depending on BTU rating. Confirm your furnace model before ordering.\u003c\/p\u003e\n\u003cp data-end=\"2859\" data-start=\"2748\"\u003e\u003cstrong data-end=\"2799\" data-start=\"2748\"\u003eQ: Is this compatible with DFMD or AFMD models?\u003c\/strong\u003e\u003cbr data-end=\"2802\" data-start=\"2799\"\u003eA: This listing is specifically for DFLD series furnaces.\u003c\/p\u003e\n\u003cp data-end=\"2946\" data-start=\"2861\"\u003e\u003cstrong data-end=\"2888\" data-start=\"2861\"\u003eQ: Is this an OEM part?\u003c\/strong\u003e\u003cbr data-end=\"2891\" data-start=\"2888\"\u003eA: Yes. 33302 is a genuine Dometic™ Atwood service kit.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857567105265,"sku":null,"price":155.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/33302.jpg?v=1772394107"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/collections\/heat_exchangers.jpg?v=1771711458","url":"https:\/\/rvfurnaceguys.com\/collections\/combustions-chambers-heat-exchangers-and-cores-dometic.oembed","provider":"RV Furnace Guys","version":"1.0","type":"link"}