{"product_id":"dometic™-dfsdh20111-rv-furnace-18-000-btu-lp-gas-electric-12v-dc","title":"Dometic™ DFSDH20111 RV Furnace – 18,000 BTU – LP Gas \/ Electric – 12V DC","description":"\u003ch1 data-start=\"219\" data-end=\"295\"\u003eDometic™ DFSDH20111 RV Furnace – 18,000 BTU – LP Gas \/ Electric – 12V DC\u003c\/h1\u003e\n\u003cp data-start=\"296\" data-end=\"362\"\u003e\u003cstrong data-start=\"296\" data-end=\"362\"\u003eDFS Series | Hall Effect Sensor | Small Size | 2-Year Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"364\" data-end=\"644\"\u003e\u003cstrong data-start=\"364\" data-end=\"374\"\u003eModel:\u003c\/strong\u003e DFSDH20111\u003cbr data-start=\"385\" data-end=\"388\"\u003e\u003cstrong data-start=\"388\" data-end=\"399\"\u003eSeries:\u003c\/strong\u003e DFS “H” Series\u003cbr data-start=\"414\" data-end=\"417\"\u003e\u003cstrong data-start=\"417\" data-end=\"431\"\u003eFuel Type:\u003c\/strong\u003e LP Gas (Primary) \/ 12V DC Electric Controls\u003cbr data-start=\"475\" data-end=\"478\"\u003e\u003cstrong data-start=\"478\" data-end=\"493\"\u003eBTU Output:\u003c\/strong\u003e 18,000 BTU\u003cbr data-start=\"504\" data-end=\"507\"\u003e\u003cstrong data-start=\"507\" data-end=\"517\"\u003eStage:\u003c\/strong\u003e Single Stage\u003cbr data-start=\"530\" data-end=\"533\"\u003e\u003cstrong data-start=\"533\" data-end=\"545\"\u003eVoltage:\u003c\/strong\u003e 12 Volt DC\u003cbr data-start=\"556\" data-end=\"559\"\u003e\u003cstrong data-start=\"559\" data-end=\"571\"\u003eDucting:\u003c\/strong\u003e Side or Bottom Discharge\u003cbr data-start=\"596\" data-end=\"599\"\u003e\u003cstrong data-start=\"599\" data-end=\"644\"\u003eAccess Doors \u0026amp; Thermostat Sold Separately\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"646\" data-end=\"649\"\u003e\n\u003ch2 data-start=\"651\" data-end=\"670\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"672\" data-end=\"883\"\u003eThe \u003cstrong data-start=\"676\" data-end=\"699\"\u003eDometic™ DFSDH20111\u003c\/strong\u003e is a compact \u003cstrong data-start=\"713\" data-end=\"751\"\u003e18,000 BTU single-stage RV furnace\u003c\/strong\u003e designed for smaller RVs, campers, van conversions, and specialty builds requiring efficient heating in a tight installation space.\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"1223\"\u003eThis model belongs to the modern \u003cstrong data-start=\"918\" data-end=\"936\"\u003eDFS “H” Series\u003c\/strong\u003e, featuring a \u003cstrong data-start=\"950\" data-end=\"993\"\u003eHall Effect airflow verification system\u003c\/strong\u003e that replaces the traditional mechanical sail switch. Instead of using a paddle-style airflow switch, the Hall sensor electronically monitors blower motor rotation before ignition — improving reliability and reducing maintenance.\u003c\/p\u003e\n\u003cp data-start=\"1225\" data-end=\"1370\"\u003eWith flexible \u003cstrong data-start=\"1239\" data-end=\"1265\"\u003eside or bottom ducting\u003c\/strong\u003e, the DFSDH20111 offers adaptable installation options for small spaces where airflow routing is limited.\u003c\/p\u003e\n\u003cp data-start=\"1372\" data-end=\"1524\"\u003e⚠ \u003cstrong data-start=\"1374\" data-end=\"1388\"\u003eImportant:\u003c\/strong\u003e Access doors and thermostat are sold separately.\u003cbr data-start=\"1437\" data-end=\"1440\"\u003e⚠ Always measure your existing furnace cut-out before ordering to ensure proper fit.\u003c\/p\u003e\n\u003chr data-start=\"1526\" data-end=\"1529\"\u003e\n\u003ch1 data-start=\"1531\" data-end=\"1545\"\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli data-start=\"1549\" data-end=\"1578\"\u003e18,000 BTU heating capacity\u003c\/li\u003e\n\u003cli data-start=\"1581\" data-end=\"1613\"\u003eSingle-stage heating operation\u003c\/li\u003e\n\u003cli data-start=\"1616\" data-end=\"1666\"\u003eLP gas combustion with 12V DC electrical control\u003c\/li\u003e\n\u003cli data-start=\"1669\" data-end=\"1731\"\u003eHall Effect airflow verification (no mechanical sail switch)\u003c\/li\u003e\n\u003cli data-start=\"1734\" data-end=\"1772\"\u003eSide or bottom ducting configuration\u003c\/li\u003e\n\u003cli data-start=\"1775\" data-end=\"1805\"\u003eCompact small-chassis design\u003c\/li\u003e\n\u003cli data-start=\"1808\" data-end=\"1855\"\u003eIdeal for vans, truck campers, small trailers\u003c\/li\u003e\n\u003cli data-start=\"1858\" data-end=\"1888\"\u003eAccess doors sold separately\u003c\/li\u003e\n\u003cli data-start=\"1891\" data-end=\"1919\"\u003eThermostat sold separately\u003c\/li\u003e\n\u003cli data-start=\"1922\" data-end=\"1962\"\u003e\u003cstrong data-start=\"1922\" data-end=\"1962\"\u003e2-Year Limited Manufacturer Warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1964\" data-end=\"1967\"\u003e\n\u003ch1 data-start=\"1969\" data-end=\"1985\"\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli data-start=\"1989\" data-end=\"2012\"\u003e\n\u003cstrong data-start=\"1989\" data-end=\"1999\"\u003eModel:\u003c\/strong\u003e DFSDH20111\u003c\/li\u003e\n\u003cli data-start=\"2015\" data-end=\"2041\"\u003e\n\u003cstrong data-start=\"2015\" data-end=\"2026\"\u003eSeries:\u003c\/strong\u003e DFS H Series\u003c\/li\u003e\n\u003cli data-start=\"2044\" data-end=\"2072\"\u003e\n\u003cstrong data-start=\"2044\" data-end=\"2059\"\u003eBTU Rating:\u003c\/strong\u003e 18,000 BTU\u003c\/li\u003e\n\u003cli data-start=\"2075\" data-end=\"2108\"\u003e\n\u003cstrong data-start=\"2075\" data-end=\"2093\"\u003eHeating Stage:\u003c\/strong\u003e Single Stage\u003c\/li\u003e\n\u003cli data-start=\"2111\" data-end=\"2134\"\u003e\n\u003cstrong data-start=\"2111\" data-end=\"2125\"\u003eFuel Type:\u003c\/strong\u003e LP Gas\u003c\/li\u003e\n\u003cli data-start=\"2137\" data-end=\"2172\"\u003e\n\u003cstrong data-start=\"2137\" data-end=\"2159\"\u003eElectrical System:\u003c\/strong\u003e 12 Volt DC\u003c\/li\u003e\n\u003cli data-start=\"2175\" data-end=\"2204\"\u003e\n\u003cstrong data-start=\"2175\" data-end=\"2187\"\u003eDucting:\u003c\/strong\u003e Side or Bottom\u003c\/li\u003e\n\u003cli data-start=\"2207\" data-end=\"2229\"\u003e\n\u003cstrong data-start=\"2207\" data-end=\"2217\"\u003eWidth:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003cli data-start=\"2232\" data-end=\"2254\"\u003e\n\u003cstrong data-start=\"2232\" data-end=\"2243\"\u003eHeight:\u003c\/strong\u003e 7 inches\u003c\/li\u003e\n\u003cli data-start=\"2257\" data-end=\"2279\"\u003e\n\u003cstrong data-start=\"2257\" data-end=\"2267\"\u003eDepth:\u003c\/strong\u003e 20 inches\u003c\/li\u003e\n\u003cli data-start=\"2282\" data-end=\"2326\"\u003e\n\u003cstrong data-start=\"2282\" data-end=\"2305\"\u003eAirflow Monitoring:\u003c\/strong\u003e Hall Effect Sensor\u003c\/li\u003e\n\u003cli data-start=\"2329\" data-end=\"2368\"\u003e\n\u003cstrong data-start=\"2329\" data-end=\"2363\"\u003eExterior Access Door Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli data-start=\"2371\" data-end=\"2400\"\u003e\n\u003cstrong data-start=\"2371\" data-end=\"2395\"\u003eThermostat Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli data-start=\"2403\" data-end=\"2455\"\u003e\n\u003cstrong data-start=\"2403\" data-end=\"2416\"\u003eWarranty:\u003c\/strong\u003e 2-Year Limited Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2457\" data-end=\"2460\"\u003e\n\u003ch1 data-start=\"2462\" data-end=\"2494\"\u003eWhy Choose the DFS “H” Series?\u003c\/h1\u003e\n\u003cp data-start=\"2496\" data-end=\"2558\"\u003eOlder small RV furnaces use mechanical sail switches that can:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2562\" data-end=\"2581\"\u003eAccumulate debris\u003c\/li\u003e\n\u003cli data-start=\"2584\" data-end=\"2614\"\u003eStick or fail intermittently\u003c\/li\u003e\n\u003cli data-start=\"2617\" data-end=\"2635\"\u003ePrevent ignition\u003c\/li\u003e\n\u003cli data-start=\"2638\" data-end=\"2665\"\u003eRequire periodic cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2667\" data-end=\"2766\"\u003eThe DFSDH20111 uses an \u003cstrong data-start=\"2690\" data-end=\"2723\"\u003eelectronic Hall Effect sensor\u003c\/strong\u003e to confirm blower operation, resulting in:\u003c\/p\u003e\n\u003cp data-start=\"2768\" data-end=\"2888\"\u003e✔ More reliable ignition\u003cbr data-start=\"2792\" data-end=\"2795\"\u003e✔ Reduced maintenance\u003cbr data-start=\"2816\" data-end=\"2819\"\u003e✔ Better cold-weather performance\u003cbr data-start=\"2852\" data-end=\"2855\"\u003e✔ Improved long-term durability\u003c\/p\u003e\n\u003chr data-start=\"2890\" data-end=\"2893\"\u003e\n\u003ch1 data-start=\"2895\" data-end=\"2915\"\u003eIdeal Applications\u003c\/h1\u003e\n\u003cp data-start=\"2917\" data-end=\"2945\"\u003eThe DFSDH20111 is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2949\" data-end=\"2966\"\u003eVan conversions\u003c\/li\u003e\n\u003cli data-start=\"2969\" data-end=\"2994\"\u003eCompact travel trailers\u003c\/li\u003e\n\u003cli data-start=\"2997\" data-end=\"3012\"\u003eTruck campers\u003c\/li\u003e\n\u003cli data-start=\"3015\" data-end=\"3032\"\u003eOverland builds\u003c\/li\u003e\n\u003cli data-start=\"3035\" data-end=\"3055\"\u003eIce fishing houses\u003c\/li\u003e\n\u003cli data-start=\"3058\" data-end=\"3070\"\u003eTiny homes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3072\" data-end=\"3173\"\u003eIts small footprint makes it perfect for tight installation cavities where larger furnaces won’t fit.\u003c\/p\u003e\n\u003chr data-start=\"3175\" data-end=\"3178\"\u003e\n\u003ch1 data-start=\"3180\" data-end=\"3214\"\u003eFrequently Asked Questions (FAQ)\u003c\/h1\u003e\n\u003cp data-start=\"3216\" data-end=\"3371\"\u003e\u003cstrong data-start=\"3216\" data-end=\"3251\"\u003eQ: What does the “H” stand for?\u003c\/strong\u003e\u003cbr data-start=\"3251\" data-end=\"3254\"\u003eA: The “H” indicates the furnace uses a Hall Effect airflow verification system rather than a mechanical sail switch.\u003c\/p\u003e\n\u003cp data-start=\"3373\" data-end=\"3470\"\u003e\u003cstrong data-start=\"3373\" data-end=\"3406\"\u003eQ: Is this a propane furnace?\u003c\/strong\u003e\u003cbr data-start=\"3406\" data-end=\"3409\"\u003eA: Yes, it operates on LP gas with 12V DC electrical control.\u003c\/p\u003e\n\u003cp data-start=\"3472\" data-end=\"3600\"\u003e\u003cstrong data-start=\"3472\" data-end=\"3520\"\u003eQ: Can it be ducted from the side or bottom?\u003c\/strong\u003e\u003cbr data-start=\"3520\" data-end=\"3523\"\u003eA: Yes, this model supports side or bottom ducting for flexible installation.\u003c\/p\u003e\n\u003cp data-start=\"3602\" data-end=\"3698\"\u003e\u003cstrong data-start=\"3602\" data-end=\"3635\"\u003eQ: Are access doors included?\u003c\/strong\u003e\u003cbr data-start=\"3635\" data-end=\"3638\"\u003eA: No. Compatible access doors must be purchased separately.\u003c\/p\u003e\n\u003cp data-start=\"3700\" data-end=\"3802\"\u003e\u003cstrong data-start=\"3700\" data-end=\"3735\"\u003eQ: What warranty does it carry?\u003c\/strong\u003e\u003cbr data-start=\"3735\" data-end=\"3738\"\u003eA: This furnace includes a 2-year limited manufacturer warranty.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857610555633,"sku":null,"price":1199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/DFSDH201111.png?v=1772401349","url":"https:\/\/rvfurnaceguys.com\/products\/dometic%e2%84%a2-dfsdh20111-rv-furnace-18-000-btu-lp-gas-electric-12v-dc","provider":"RV Furnace Guys","version":"1.0","type":"link"}