{"product_id":"suburban-rv-furnace-sf-42vhfq-series-40-000-btu-ducted-furnace-multi-position-2591a","title":"Suburban RV Furnace – SF-42VHFQ Series, 40,000 BTU Ducted Furnace (Multi-Position) 2591A","description":"\u003ch1 data-end=\"205\" data-start=\"115\" data-section-id=\"1eulru9\"\u003eSuburban 2591A RV Furnace – SF-42VHFQ Series, 40,000 BTU Ducted Furnace (Multi-Position)\u003c\/h1\u003e\n\u003ch2 data-end=\"278\" data-start=\"207\" data-section-id=\"zm1wke\"\u003eMaximum Heating Power with Flexible Installation and Interior Access\u003c\/h2\u003e\n\u003cp data-end=\"664\" data-start=\"280\"\u003eThe Suburban 2591A SF-42VHFQ furnace is a high-output 40,000 BTU LP gas RV furnace designed for powerful, ducted heating in large RVs and four-season applications. Built on Suburban’s VHFQ platform, this furnace offers \u003cstrong data-end=\"555\" data-start=\"499\"\u003emulti-position installation (vertical or horizontal)\u003c\/strong\u003e along with a \u003cstrong data-end=\"613\" data-start=\"569\"\u003efront gas connection for interior access\u003c\/strong\u003e, eliminating the need for an exterior access door.\u003c\/p\u003e\n\u003cp data-end=\"808\" data-start=\"666\"\u003eWith direct spark ignition and a low amp draw design, the SF-42VHFQ delivers efficient, reliable heating while helping conserve battery power.\u003c\/p\u003e\n\u003chr data-end=\"813\" data-start=\"810\"\u003e\n\u003ch2 data-end=\"846\" data-start=\"815\" data-section-id=\"ndg6re\"\u003eWho This Furnace Is Best For\u003c\/h2\u003e\n\u003cp data-end=\"950\" data-start=\"848\"\u003eThis furnace is ideal for RV owners who need maximum heating performance and installation flexibility:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1021\" data-start=\"954\"\u003eOwners of \u003cstrong data-end=\"1019\" data-start=\"964\"\u003elarge travel trailers, fifth wheels, and motorhomes\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1097\" data-start=\"1024\"\u003eRVs requiring \u003cstrong data-end=\"1095\" data-start=\"1038\"\u003e40,000 BTU output for cold-weather or four-season use\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1171\" data-start=\"1100\"\u003eInstallations needing \u003cstrong data-end=\"1169\" data-start=\"1122\"\u003evertical or horizontal mounting flexibility\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1233\" data-start=\"1174\"\u003eSystems requiring \u003cstrong data-end=\"1231\" data-start=\"1192\"\u003educted heating for whole-RV airflow\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1303\" data-start=\"1236\"\u003eCustomers replacing an older \u003cstrong data-end=\"1301\" data-start=\"1265\"\u003eSF-42, SF-42Q, or SF-42F furnace\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1384\" data-start=\"1306\"\u003eRVers looking for \u003cstrong data-end=\"1382\" data-start=\"1324\"\u003einterior access with no exterior furnace door required\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1464\" data-start=\"1387\"\u003eUsers wanting \u003cstrong data-end=\"1462\" data-start=\"1401\"\u003estrong heating performance with lower amp draw efficiency\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1583\" data-start=\"1466\"\u003eThis model is especially well-suited for \u003cstrong data-end=\"1534\" data-start=\"1507\"\u003elarge or multi-room RVs\u003c\/strong\u003e where consistent, high-output heat is essential.\u003c\/p\u003e\n\u003chr data-end=\"1588\" data-start=\"1585\"\u003e\n\u003ch2 data-end=\"1612\" data-start=\"1590\" data-section-id=\"gh0k9s\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cp data-end=\"1659\" data-start=\"1616\"\u003e40,000 BTU heating capacity for large RVs\u003c\/p\u003e\n\u003cp data-end=\"1716\" data-start=\"1662\"\u003eMulti-position installation (vertical or horizontal)\u003c\/p\u003e\n\u003cp data-end=\"1761\" data-start=\"1719\"\u003eDucted design for even heat distribution\u003c\/p\u003e\n\u003cp data-end=\"1806\" data-start=\"1764\"\u003e\u003cstrong\u003eFront gas connection for interior access\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1843\" data-start=\"1809\"\u003eNo exterior access door required\u003c\/p\u003e\n\u003cp data-end=\"1891\" data-start=\"1846\"\u003eDirect spark ignition for reliable startups\u003c\/p\u003e\n\u003cp data-end=\"1939\" data-start=\"1894\"\u003eLow amp draw for improved energy efficiency\u003c\/p\u003e\n\u003cp data-end=\"1992\" data-start=\"1942\"\u003eCompact, low-profile cabinet (7-1\/2 inch height)\u003c\/p\u003e\n\u003cp data-end=\"2032\" data-start=\"1995\"\u003eBacked by a limited 2-year warranty\u003c\/p\u003e\n\u003chr data-end=\"2037\" data-start=\"2034\"\u003e\n\u003ch2 data-end=\"2056\" data-start=\"2039\" data-section-id=\"1a3ueyz\"\u003eSpecifications\u003c\/h2\u003e\n\u003cp data-end=\"2077\" data-start=\"2060\"\u003eBrand: Suburban\u003c\/p\u003e\n\u003cp data-end=\"2100\" data-start=\"2080\"\u003ePart Number: 2591A\u003c\/p\u003e\n\u003cp data-end=\"2139\" data-start=\"2103\"\u003eSeries: SF-FQ (VHFQ configuration)\u003c\/p\u003e\n\u003cp data-end=\"2160\" data-start=\"2142\"\u003eModel: SF-42VHFQ\u003c\/p\u003e\n\u003cp data-end=\"2182\" data-start=\"2163\"\u003eFuel Type: LP Gas\u003c\/p\u003e\n\u003cp data-end=\"2209\" data-start=\"2185\"\u003eBTU Output: 40,000 BTU\u003c\/p\u003e\n\u003cp data-end=\"2272\" data-start=\"2212\"\u003eInstallation Type: Multi-position (vertical or horizontal)\u003c\/p\u003e\n\u003cp data-end=\"2292\" data-start=\"2275\"\u003eDucting: Ducted\u003c\/p\u003e\n\u003cp data-end=\"2326\" data-start=\"2295\"\u003eAmp Draw: Low amp draw design\u003c\/p\u003e\n\u003cp data-end=\"2351\" data-start=\"2329\"\u003eHeight: 7-1\/2 Inches\u003c\/p\u003e\n\u003cp data-end=\"2372\" data-start=\"2354\"\u003eWidth: 12 Inches\u003c\/p\u003e\n\u003cp data-end=\"2393\" data-start=\"2375\"\u003eDepth: 20 Inches\u003c\/p\u003e\n\u003cp data-end=\"2415\" data-start=\"2396\"\u003eWeight: 35 Pounds\u003c\/p\u003e\n\u003cp data-end=\"2456\" data-start=\"2418\"\u003eIgnition Type: Direct spark ignition\u003c\/p\u003e\n\u003cp data-end=\"2486\" data-start=\"2459\"\u003eAccess Door: Not required\u003c\/p\u003e\n\u003cp data-end=\"2515\" data-start=\"2489\"\u003eWarranty: Limited 2 year\u003c\/p\u003e\n\u003chr data-end=\"2520\" data-start=\"2517\"\u003e\n\u003ch2 data-end=\"2550\" data-start=\"2522\" data-section-id=\"16mcs8f\"\u003eWhy Choose the SF-42VHFQ?\u003c\/h2\u003e\n\u003cp data-end=\"2619\" data-start=\"2552\"\u003eCompared to smaller or single-stage furnaces, the SF-42VHFQ offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"2662\" data-start=\"2623\"\u003eMaximum heating output for larger RVs\u003c\/li\u003e\n\u003cli data-end=\"2719\" data-start=\"2665\"\u003eFlexible installation with multi-position capability\u003c\/li\u003e\n\u003cli data-end=\"2770\" data-start=\"2722\"\u003eInterior service access with no exterior panel\u003c\/li\u003e\n\u003cli data-end=\"2818\" data-start=\"2773\"\u003eEfficient operation with reduced power draw\u003c\/li\u003e\n\u003cli data-end=\"2870\" data-start=\"2821\"\u003eReliable performance in extreme cold conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2982\" data-start=\"2872\"\u003eThis makes it a top-tier option for RV owners who demand \u003cstrong data-end=\"2981\" data-start=\"2929\"\u003emaximum performance, efficiency, and flexibility\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-end=\"2987\" data-start=\"2984\"\u003e\n\u003ch2 data-end=\"3033\" data-start=\"2989\" data-section-id=\"1528bs2\"\u003eWhen Do You Need to Replace Your Furnace?\u003c\/h2\u003e\n\u003cp data-end=\"3072\" data-start=\"3035\"\u003eConsider upgrading if you experience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"3116\" data-start=\"3076\"\u003eInadequate heating in larger RV spaces\u003c\/li\u003e\n\u003cli data-end=\"3162\" data-start=\"3119\"\u003eUneven temperatures across multiple rooms\u003c\/li\u003e\n\u003cli data-end=\"3209\" data-start=\"3165\"\u003eHigh power consumption from older furnaces\u003c\/li\u003e\n\u003cli data-end=\"3249\" data-start=\"3212\"\u003eFrequent ignition or cycling issues\u003c\/li\u003e\n\u003cli data-end=\"3301\" data-start=\"3252\"\u003eAging furnace unable to keep up in cold weather\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3306\" data-start=\"3303\"\u003e\n\u003ch2 data-end=\"3318\" data-start=\"3308\" data-section-id=\"6zcwlh\"\u003ePro Tip\u003c\/h2\u003e\n\u003cp data-end=\"3509\" data-start=\"3320\"\u003eFor optimal performance in large RVs, ensure your duct system is properly sized and sealed. Even high-output furnaces like the SF-42VHFQ rely on efficient ducting to distribute heat evenly.\u003c\/p\u003e\n\u003chr data-end=\"3514\" data-start=\"3511\"\u003e\n\u003ch2 data-end=\"3522\" data-start=\"3516\" data-section-id=\"1hryhf7\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-end=\"3657\" data-start=\"3524\"\u003e\u003cstrong data-end=\"3588\" data-start=\"3524\"\u003eQ: Can this furnace be installed vertically or horizontally?\u003c\/strong\u003e\u003cbr data-end=\"3591\" data-start=\"3588\"\u003eA: Yes. The SF-42VHFQ is designed for multi-position installation.\u003c\/p\u003e\n\u003chr data-end=\"3662\" data-start=\"3659\"\u003e\n\u003cp data-end=\"3804\" data-start=\"3664\"\u003e\u003cstrong data-end=\"3713\" data-start=\"3664\"\u003eQ: Does this require an exterior access door?\u003c\/strong\u003e\u003cbr data-end=\"3716\" data-start=\"3713\"\u003eA: No. This model is designed for interior access and does not require an exterior door.\u003c\/p\u003e\n\u003chr data-end=\"3809\" data-start=\"3806\"\u003e\n\u003cp data-end=\"3937\" data-start=\"3811\"\u003e\u003cstrong data-end=\"3841\" data-start=\"3811\"\u003eQ: Is this furnace ducted?\u003c\/strong\u003e\u003cbr data-end=\"3844\" data-start=\"3841\"\u003eA: Yes. It is designed for ducted heating systems to provide even airflow throughout your RV.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47946070032625,"sku":null,"price":1399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/2591A1.png?v=1774138718","url":"https:\/\/www.rvfurnaceparts.com\/products\/suburban-rv-furnace-sf-42vhfq-series-40-000-btu-ducted-furnace-multi-position-2591a","provider":"RV Furnace Guys","version":"1.0","type":"link"}