{"product_id":"dometic™-atwood-31809-furnace-vent-door-vent-assembly-for-afmd25-hydro-flame-furnace","title":"Dometic™ \/ Atwood 31809 Furnace Vent – Door Vent Assembly for AFMD25 Hydro Flame Furnace","description":"\u003ch1 data-section-id=\"zaafmp\" data-start=\"138\" data-end=\"228\"\u003eDometic™ \/ Atwood 31809 Furnace Vent – Door Vent Assembly for AFMD25 Hydro Flame Furnace\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1p927wt\" data-start=\"230\" data-end=\"249\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"250\" data-end=\"567\"\u003eThe \u003cstrong data-start=\"254\" data-end=\"314\"\u003eDometic \/ Atwood 31809 Furnace Vent (Door Vent Assembly)\u003c\/strong\u003e is a replacement exterior vent designed specifically for the \u003cstrong data-start=\"376\" data-end=\"416\"\u003eAtwood AFMD25 Hydro Flame RV furnace\u003c\/strong\u003e. This component mounts on the exterior furnace door and allows proper intake and exhaust airflow while protecting the furnace from debris and weather.\u003c\/p\u003e\n\u003cp data-start=\"569\" data-end=\"814\"\u003eA damaged or missing furnace vent can reduce airflow, impact furnace efficiency, or allow moisture and debris into the combustion chamber. Replacing it with the \u003cstrong data-start=\"730\" data-end=\"758\"\u003e31809 door vent assembly\u003c\/strong\u003e restores safe ventilation and proper furnace operation.\u003c\/p\u003e\n\u003cp data-start=\"816\" data-end=\"1003\"\u003eThis vent assembly is built to match the original Atwood Hydro Flame design, ensuring a \u003cstrong data-start=\"904\" data-end=\"964\"\u003eproper fit and reliable airflow for AFMD-series furnaces\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1005\" data-end=\"1008\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1010\" data-end=\"1025\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-start=\"1028\" data-end=\"1081\"\u003eGenuine \u003cstrong data-start=\"1036\" data-end=\"1081\"\u003eDometic \/ Atwood furnace replacement part\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1084\" data-end=\"1128\"\u003eDesigned for \u003cstrong data-start=\"1097\" data-end=\"1128\"\u003eHydro Flame AFMD25 furnaces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1131\" data-end=\"1196\"\u003eProvides \u003cstrong data-start=\"1140\" data-end=\"1196\"\u003eproper combustion air intake and exhaust ventilation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1199\" data-end=\"1261\"\u003eDirect replacement for worn, damaged, or missing furnace vents\u003c\/li\u003e\n\u003cli data-start=\"1264\" data-end=\"1322\"\u003eDurable construction designed for \u003cstrong data-start=\"1298\" data-end=\"1322\"\u003eRV exterior exposure\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1325\" data-end=\"1375\"\u003eMaintains \u003cstrong data-start=\"1335\" data-end=\"1375\"\u003esafe and efficient furnace operation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1377\" data-end=\"1380\"\u003e\n\u003ch2 data-section-id=\"18dvupj\" data-start=\"1382\" data-end=\"1410\"\u003eCompatible Furnace Models\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1412\" data-end=\"1504\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1412\" data-end=\"1450\"\u003e\n\u003ctr data-start=\"1412\" data-end=\"1450\"\u003e\n\u003cth data-start=\"1412\" data-end=\"1429\" data-col-size=\"sm\" class=\"\"\u003eFurnace Series\u003c\/th\u003e\n\u003cth data-start=\"1429\" data-end=\"1450\" data-col-size=\"sm\" class=\"\"\u003eCompatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1461\" data-end=\"1504\"\u003e\n\u003ctr data-start=\"1461\" data-end=\"1504\"\u003e\n\u003ctd data-start=\"1461\" data-end=\"1494\" data-col-size=\"sm\"\u003eAtwood Hydro Flame AFMD Series\u003c\/td\u003e\n\u003ctd data-start=\"1494\" data-end=\"1504\" data-col-size=\"sm\"\u003eAFMD25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1506\" data-end=\"1509\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1511\" data-end=\"1528\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1530\" data-end=\"1804\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1530\" data-end=\"1557\"\u003e\n\u003ctr data-start=\"1530\" data-end=\"1557\"\u003e\n\u003cth data-start=\"1530\" data-end=\"1546\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"1546\" data-end=\"1557\" data-col-size=\"sm\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1568\" data-end=\"1804\"\u003e\n\u003ctr data-start=\"1568\" data-end=\"1591\"\u003e\n\u003ctd data-start=\"1568\" data-end=\"1582\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-start=\"1582\" data-end=\"1591\" data-col-size=\"sm\"\u003e31809\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1592\" data-end=\"1637\"\u003e\n\u003ctd data-start=\"1592\" data-end=\"1607\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"1607\" data-end=\"1637\" data-col-size=\"sm\"\u003eFurnace Door Vent Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1638\" data-end=\"1680\"\u003e\n\u003ctd data-start=\"1638\" data-end=\"1652\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-start=\"1652\" data-end=\"1680\" data-col-size=\"sm\"\u003eRV Furnace Exterior Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1681\" data-end=\"1731\"\u003e\n\u003ctd data-start=\"1681\" data-end=\"1702\" data-col-size=\"sm\"\u003eCompatible Furnace\u003c\/td\u003e\n\u003ctd data-start=\"1702\" data-end=\"1731\" data-col-size=\"sm\"\u003eAtwood AFMD25 Hydro Flame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1732\" data-end=\"1768\"\u003e\n\u003ctd data-start=\"1732\" data-end=\"1752\" data-col-size=\"sm\"\u003eMounting Hardware\u003c\/td\u003e\n\u003ctd data-start=\"1752\" data-end=\"1768\" data-col-size=\"sm\"\u003eNot Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1769\" data-end=\"1804\"\u003e\n\u003ctd data-start=\"1769\" data-end=\"1784\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-start=\"1784\" data-end=\"1804\" data-col-size=\"sm\"\u003eDometic \/ Atwood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1806\" data-end=\"1809\"\u003e\n\u003ch2 data-section-id=\"1tmjq6f\" data-start=\"1811\" data-end=\"1848\"\u003eWhen Should This Vent Be Replaced?\u003c\/h2\u003e\n\u003cp data-start=\"1850\" data-end=\"1894\"\u003eYou may need to replace the furnace vent if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1898\" data-end=\"1955\"\u003eThe exterior vent grille is \u003cstrong data-start=\"1926\" data-end=\"1955\"\u003ecracked, bent, or missing\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1958\" data-end=\"2016\"\u003e\u003cstrong data-start=\"1958\" data-end=\"2016\"\u003eDebris or insects are entering the furnace compartment\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2019\" data-end=\"2075\"\u003eFurnace door vent shows \u003cstrong data-start=\"2043\" data-end=\"2075\"\u003esigns of corrosion or damage\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2078\" data-end=\"2129\"\u003eAirflow from the furnace exhaust appears restricted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2131\" data-end=\"2237\"\u003eReplacing the vent assembly ensures \u003cstrong data-start=\"2167\" data-end=\"2236\"\u003eproper airflow and protects the furnace from environmental damage\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2498\" data-end=\"2501\"\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"2503\" data-end=\"2509\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1ccci0b\" data-start=\"2511\" data-end=\"2550\"\u003eWhat does the furnace door vent do?\u003c\/h3\u003e\n\u003cp data-start=\"2551\" data-end=\"2700\"\u003eThe vent allows \u003cstrong data-start=\"2567\" data-end=\"2603\"\u003ecombustion air and exhaust gases\u003c\/strong\u003e to move between the furnace and outside air while protecting the system from debris and weather.\u003c\/p\u003e\n\u003ch3 data-section-id=\"n0p3o8\" data-start=\"2702\" data-end=\"2748\"\u003eDoes this include the entire furnace door?\u003c\/h3\u003e\n\u003cp data-start=\"2749\" data-end=\"2828\"\u003eNo. \u003cstrong data-start=\"2753\" data-end=\"2793\"\u003ePart 31809 is only the vent assembly\u003c\/strong\u003e, not the full furnace access door.\u003c\/p\u003e\n\u003ch3 data-section-id=\"7zmwi3\" data-start=\"2830\" data-end=\"2868\"\u003eWhat furnace models use this vent?\u003c\/h3\u003e\n\u003cp data-start=\"2869\" data-end=\"2943\"\u003eIt is designed specifically for the \u003cstrong data-start=\"2905\" data-end=\"2942\"\u003eAtwood AFMD25 Hydro Flame furnace\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"kht1di\" data-start=\"2945\" data-end=\"2983\"\u003eDoes it include mounting hardware?\u003c\/h3\u003e\n\u003cp data-start=\"2984\" data-end=\"3126\"\u003eNo, mounting hardware is typically \u003cstrong data-start=\"3019\" data-end=\"3035\"\u003enot included\u003c\/strong\u003e and existing hardware is reused during installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47895879581937,"sku":null,"price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/31809.png?v=1773350472","url":"https:\/\/rvfurnaceguys.com\/products\/dometic%e2%84%a2-atwood-31809-furnace-vent-door-vent-assembly-for-afmd25-hydro-flame-furnace","provider":"RV Furnace Guys","version":"1.0","type":"link"}