{"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\u003eDometic™ DFSDH20111 RV Furnace – 18,000 BTU – LP Gas \/ Electric – 12V DC\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eDFS Series | Hall Effect Sensor | Small Size | 2-Year Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e DFSDH20111\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e DFS “H” Series\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e LP Gas (Primary) \/ 12V DC Electric Controls\u003cbr\u003e\u003cstrong\u003eBTU Output:\u003c\/strong\u003e 18,000 BTU\u003cbr\u003e\u003cstrong\u003eStage:\u003c\/strong\u003e Single Stage\u003cbr\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 Volt DC\u003cbr\u003e\u003cstrong\u003eDucting:\u003c\/strong\u003e Side or Bottom Discharge\u003cbr\u003e\u003cstrong\u003eAccess Doors \u0026amp; Thermostat Sold Separately\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDometic™ DFSDH20111\u003c\/strong\u003e is a compact \u003cstrong\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\u003eThis model belongs to the modern \u003cstrong\u003eDFS “H” Series\u003c\/strong\u003e, featuring a \u003cstrong\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\u003eWith flexible \u003cstrong\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\u003e⚠ \u003cstrong\u003eImportant:\u003c\/strong\u003e Access doors and thermostat are sold separately.\u003cbr\u003e⚠ Always measure your existing furnace cut-out before ordering to ensure proper fit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e18,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003eSingle-stage heating operation\u003c\/li\u003e\n\u003cli\u003eLP gas combustion with 12V DC electrical control\u003c\/li\u003e\n\u003cli\u003eHall Effect airflow verification (no mechanical sail switch)\u003c\/li\u003e\n\u003cli\u003eSide or bottom ducting configuration\u003c\/li\u003e\n\u003cli\u003eCompact small-chassis design\u003c\/li\u003e\n\u003cli\u003eIdeal for vans, truck campers, small trailers\u003c\/li\u003e\n\u003cli\u003eAccess doors sold separately\u003c\/li\u003e\n\u003cli\u003eThermostat sold separately\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2-Year Limited Manufacturer Warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DFSDH20111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e DFS H Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBTU Rating:\u003c\/strong\u003e 18,000 BTU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Stage:\u003c\/strong\u003e Single Stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e LP Gas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical System:\u003c\/strong\u003e 12 Volt DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDucting:\u003c\/strong\u003e Side or Bottom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 20 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Monitoring:\u003c\/strong\u003e Hall Effect Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Access Door Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-Year Limited Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eWhy Choose the DFS “H” Series?\u003c\/h1\u003e\n\u003cp\u003eOlder small RV furnaces use mechanical sail switches that can:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAccumulate debris\u003c\/li\u003e\n\u003cli\u003eStick or fail intermittently\u003c\/li\u003e\n\u003cli\u003ePrevent ignition\u003c\/li\u003e\n\u003cli\u003eRequire periodic cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe DFSDH20111 uses an \u003cstrong\u003eelectronic Hall Effect sensor\u003c\/strong\u003e to confirm blower operation, resulting in:\u003c\/p\u003e\n\u003cp\u003e✔ More reliable ignition\u003cbr\u003e✔ Reduced maintenance\u003cbr\u003e✔ Better cold-weather performance\u003cbr\u003e✔ Improved long-term durability\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eIdeal Applications\u003c\/h1\u003e\n\u003cp\u003eThe DFSDH20111 is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVan conversions\u003c\/li\u003e\n\u003cli\u003eCompact travel trailers\u003c\/li\u003e\n\u003cli\u003eTruck campers\u003c\/li\u003e\n\u003cli\u003eOverland builds\u003c\/li\u003e\n\u003cli\u003eIce fishing houses\u003c\/li\u003e\n\u003cli\u003eTiny homes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts small footprint makes it perfect for tight installation cavities where larger furnaces won’t fit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eFrequently Asked Questions (FAQ)\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the “H” stand for?\u003c\/strong\u003e\u003cbr\u003eA: The “H” indicates the furnace uses a Hall Effect airflow verification system rather than a mechanical sail switch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a propane furnace?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it operates on LP gas with 12V DC electrical control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it be ducted from the side or bottom?\u003c\/strong\u003e\u003cbr\u003eA: Yes, this model supports side or bottom ducting for flexible installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are access doors included?\u003c\/strong\u003e\u003cbr\u003eA: No. Compatible access doors must be purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What warranty does it carry?\u003c\/strong\u003e\u003cbr\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":1189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/DFSDH201111.png?v=1772401349","url":"https:\/\/www.rvfurnaceparts.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"}