{"product_id":"suburban-replacement-furnace-core-for-sf-20-sf-20q-2605a-rp-20q","title":"Suburban | Replacement Furnace Core for SF-20\/SF-20Q | 2605A | RP-20Q","description":"\u003cp\u003eRestore your Suburban RV furnace to factory operation without the hassle of replacing the whole unit using the \u003cstrong\u003eSuburban Replacement Furnace Core (Part #2605A \/ Model RP-20Q)\u003c\/strong\u003e. Instead of removing and repairing individual furnace components, simply slide this complete core module into your existing cabinet — getting you back to reliable heat with significantly less labor and cost than a full furnace replacement.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Replace the Core Instead of the Whole Furnace?\u003c\/h3\u003e\n\u003cp\u003eWhen a Suburban furnace fails, you have three options: replace components one by one (often diagnosing one fault, fixing it, then finding another), replace the entire furnace including the cabinet, or replace just the core. The furnace core is usually the smartest middle path:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFaster installation\u003c\/strong\u003e than rebuilding a furnace component by component\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower cost\u003c\/strong\u003e than buying a complete new furnace with cabinet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReuses your existing cabinet\u003c\/strong\u003e — no cutting, no resealing, no removing the entire unit from the wall\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRestores like-new operation\u003c\/strong\u003e — you get a fresh blower, burner, controls, and heat exchanger\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe 2605A is designed to fit seamlessly into \u003cstrong\u003eSuburban SF-20 and SF-20Q series furnaces\u003c\/strong\u003e. Confirm your existing furnace series before ordering.\u003c\/p\u003e\n\u003ch3\u003eWrong Series? Check the Gas Line\u003c\/h3\u003e\n\u003cp\u003eThe key visual difference between this furnace core and the \u003ca href=\"https:\/\/thervsurplus.com\/products\/suburban-replacement-furnace-core-for-sf-20f-sf-20fq-2606a-rp-20fq\"\u003e2606A core (for SF-20F \/ SF-20FQ series)\u003c\/a\u003e is the gas line connection location:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSF-20 \/ SF-20Q (this 2605A core):\u003c\/strong\u003e gas line connects near the \u003cstrong\u003erear\u003c\/strong\u003e (exterior wall side)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSF-20F \/ SF-20FQ (2606A core):\u003c\/strong\u003e gas line connects near the \u003cstrong\u003efront\u003c\/strong\u003e (cabin side)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLook at where your existing gas line enters the furnace cabinet — that tells you which core you need.\u003c\/p\u003e\n\u003ch3\u003e20,000 BTU of Reliable Heat\u003c\/h3\u003e\n\u003cp\u003eThe replacement core delivers the same \u003cstrong\u003e20,000 BTU heating capacity\u003c\/strong\u003e as the original furnace — keeping your rig comfortable in cool weather just as the OEM unit did.\u003c\/p\u003e\n\n\u003ch3\u003eIncludes the Furnace Control Board\u003c\/h3\u003e\n\u003cp\u003eImportantly, the 2605A core \u003cstrong\u003eincludes the furnace control board\u003c\/strong\u003e — so if your existing furnace fault is in the controls (a common failure point), this replacement takes care of it without a separate purchase.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e The furnace core does \u003cstrong\u003enot include the cabinet assembly\u003c\/strong\u003e — it slides into your existing cabinet.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Professional Installation Recommended\u003c\/h3\u003e\n\u003cp\u003eSuburban gas appliances should be installed and serviced by a \u003cstrong\u003equalified service technician\u003c\/strong\u003e. Improperly installed gas furnaces are a fire and carbon monoxide risk.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete furnace core replacement\u003c\/strong\u003e — slides into existing cabinet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20,000 BTU\u003c\/strong\u003e heating capacity\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eIncludes the furnace control board\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits Suburban SF-20 and SF-20Q series\u003c\/strong\u003e furnaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCost-effective alternative\u003c\/strong\u003e to a full furnace replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTime-saving installation\u003c\/strong\u003e compared to component-by-component repair\u003c\/li\u003e\n  \u003cli\u003eCabinet assembly not included (reuses your existing cabinet)\u003c\/li\u003e\n  \u003cli\u003eBacked by a 2-year limited manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Suburban\u003c\/li\u003e\n  \u003cli\u003ePart Number: 2605A (Model RP-20Q)\u003c\/li\u003e\n  \u003cli\u003eType: Replacement RV Furnace Core (includes control board)\u003c\/li\u003e\n  \u003cli\u003eBTU Level: 20,000 BTU\u003c\/li\u003e\n  \u003cli\u003eCompatibility: Suburban SF-20 and SF-20Q series furnaces\u003c\/li\u003e\n  \u003cli\u003eIncludes Cabinet: No (reuses existing cabinet)\u003c\/li\u003e\n  \u003cli\u003eIncludes Control Board: Yes\u003c\/li\u003e\n  \u003cli\u003eDimensions: 17\" W x 20\" D x 7.5\" H\u003c\/li\u003e\n  \u003cli\u003eWarranty: 2-year limited manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Suburban","offers":[{"title":"Default Title","offer_id":54279338590511,"sku":null,"price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/cd6d911e-8ee0-4a6a-b44c-7c554c4c1820_8a47ac29-2b69-40e2-926b-0b8e2974a846_1.webp?v=1771771591","url":"https:\/\/thervsurplus.com\/products\/suburban-replacement-furnace-core-for-sf-20-sf-20q-2605a-rp-20q","provider":"The RV Surplus","version":"1.0","type":"link"}