{"product_id":"suburban-2605a-furnace-core-rp-20q-sf-20-sf-20q-20-000-btu","title":"Suburban 2605A Furnace Core – RP-20Q – SF-20 \/ SF-20Q – 20,000 BTU","description":"\u003ch3 data-section-id=\"miz626\" data-start=\"253\" data-end=\"277\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"257\" data-end=\"277\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"278\" data-end=\"568\"\u003eThe \u003cstrong data-start=\"282\" data-end=\"322\"\u003eSuburban 2605A Furnace Core (RP-20Q)\u003c\/strong\u003e is a direct replacement heating core designed for \u003cstrong data-start=\"373\" data-end=\"413\"\u003eSuburban SF and SF-Q Series furnaces\u003c\/strong\u003e, including \u003cstrong data-start=\"425\" data-end=\"452\"\u003eSF-20 and SF-20Q models\u003c\/strong\u003e. This complete internal furnace module restores proper heating performance by replacing worn or damaged components.\u003c\/p\u003e\n\u003cp data-start=\"570\" data-end=\"784\"\u003eWith a \u003cstrong data-start=\"577\" data-end=\"598\"\u003e20,000 BTU output\u003c\/strong\u003e and compatibility with \u003cstrong data-start=\"622\" data-end=\"653\"\u003eelectronic ignition systems\u003c\/strong\u003e, this furnace core provides a fast and cost-effective way to bring your RV furnace back to life—without replacing the entire unit.\u003c\/p\u003e\n\u003cp data-start=\"786\" data-end=\"951\"\u003eThis core is designed to \u003cstrong data-start=\"811\" data-end=\"864\"\u003eslide directly into your existing furnace cabinet\u003c\/strong\u003e, simplifying installation and reducing downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"953\" data-end=\"956\"\u003e\n\u003ch3 data-section-id=\"1y0hjg4\" data-start=\"958\" data-end=\"989\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"962\" data-end=\"989\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"990\" data-end=\"1361\"\u003e\n\u003cli data-section-id=\"qyfohm\" data-start=\"990\" data-end=\"1041\"\u003eDirect replacement for \u003cstrong data-start=\"1015\" data-end=\"1039\"\u003eSuburban part #2605A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"j7bkgd\" data-start=\"1042\" data-end=\"1091\"\u003eCompatible with \u003cstrong data-start=\"1060\" data-end=\"1089\"\u003eSF-20 and SF-20Q furnaces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vm5pf8\" data-start=\"1092\" data-end=\"1152\"\u003eRestores full furnace heating performance and efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"3zydh1\" data-start=\"1153\" data-end=\"1202\"\u003e\n\u003cstrong data-start=\"1155\" data-end=\"1176\"\u003e20,000 BTU output\u003c\/strong\u003e for reliable RV heating\u003c\/li\u003e\n\u003cli data-section-id=\"q1oa0x\" data-start=\"1203\" data-end=\"1251\"\u003eDesigned for \u003cstrong data-start=\"1218\" data-end=\"1249\"\u003eelectronic ignition systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bo6e03\" data-start=\"1252\" data-end=\"1302\"\u003eComplete core assembly simplifies installation\u003c\/li\u003e\n\u003cli data-section-id=\"lm227m\" data-start=\"1303\" data-end=\"1361\"\u003eCost-effective alternative to full furnace replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1363\" data-end=\"1366\"\u003e\n\u003ch3 data-section-id=\"n07754\" data-start=\"1368\" data-end=\"1389\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1372\" data-end=\"1389\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1390\" data-end=\"1444\"\u003eCompatible with the following Suburban furnace models:\u003c\/p\u003e\n\u003cul data-start=\"1446\" data-end=\"1472\"\u003e\n\u003cli data-section-id=\"ttorte\" data-start=\"1446\" data-end=\"1459\"\u003e\u003cstrong data-start=\"1448\" data-end=\"1457\"\u003eSF-20\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"57fq6b\" data-start=\"1460\" data-end=\"1472\"\u003e\u003cstrong data-start=\"1462\" data-end=\"1472\"\u003eSF-20Q\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1474\" data-end=\"1483\"\u003eReplaces:\u003c\/p\u003e\n\u003cul data-start=\"1484\" data-end=\"1518\"\u003e\n\u003cli data-section-id=\"e5truh\" data-start=\"1484\" data-end=\"1518\"\u003e\u003cstrong data-start=\"1486\" data-end=\"1518\"\u003eRP-20Q Furnace Core Assembly\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1520\" data-end=\"1523\"\u003e\n\u003ch3 data-section-id=\"1a7omtf\" data-start=\"1525\" data-end=\"1555\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1529\" data-end=\"1555\"\u003eProduct Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1556\" data-end=\"1827\"\u003e\n\u003cli data-section-id=\"g1wpfq\" data-start=\"1556\" data-end=\"1582\"\u003e\n\u003cstrong data-start=\"1558\" data-end=\"1574\"\u003ePart Number:\u003c\/strong\u003e 2605A\u003c\/li\u003e\n\u003cli data-section-id=\"f65za9\" data-start=\"1583\" data-end=\"1604\"\u003e\n\u003cstrong data-start=\"1585\" data-end=\"1595\"\u003eModel:\u003c\/strong\u003e RP-20Q\u003c\/li\u003e\n\u003cli data-section-id=\"3kldkb\" data-start=\"1605\" data-end=\"1635\"\u003e\n\u003cstrong data-start=\"1607\" data-end=\"1622\"\u003eBTU Rating:\u003c\/strong\u003e 20,000 BTU\u003c\/li\u003e\n\u003cli data-section-id=\"1trbduw\" data-start=\"1636\" data-end=\"1678\"\u003e\n\u003cstrong data-start=\"1638\" data-end=\"1656\"\u003eIgnition Type:\u003c\/strong\u003e Electronic Ignition\u003c\/li\u003e\n\u003cli data-section-id=\"8b7wk5\" data-start=\"1679\" data-end=\"1771\"\u003e\n\u003cstrong data-start=\"1681\" data-end=\"1696\"\u003eDimensions:\u003c\/strong\u003e\n\u003cul data-start=\"1701\" data-end=\"1771\"\u003e\n\u003cli data-section-id=\"s3asxt\" data-start=\"1701\" data-end=\"1725\"\u003eHeight: 7-1\/2 inches\u003c\/li\u003e\n\u003cli data-section-id=\"1tkviq5\" data-start=\"1728\" data-end=\"1748\"\u003eWidth: 12 inches\u003c\/li\u003e\n\u003cli data-section-id=\"fsdbc7\" data-start=\"1751\" data-end=\"1771\"\u003eDepth: 20 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1iy7864\" data-start=\"1772\" data-end=\"1827\"\u003e\n\u003cstrong data-start=\"1774\" data-end=\"1790\"\u003eApplication:\u003c\/strong\u003e Suburban SF \u0026amp; SF-Q Series Furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1829\" data-end=\"1832\"\u003e\n\u003ch3 data-section-id=\"1spwv26\" data-start=\"1834\" data-end=\"1857\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1838\" data-end=\"1857\"\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1858\" data-end=\"1909\"\u003e\n\u003cli data-section-id=\"1c08pba\" data-start=\"1858\" data-end=\"1909\"\u003e(1) Suburban 2605A Furnace Core Assembly (RP-20Q)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1911\" data-end=\"2064\"\u003eNote: Furnace cores are sold as a \u003cstrong data-start=\"1947\" data-end=\"1975\"\u003ecomplete internal module\u003c\/strong\u003e and do \u003cstrong data-start=\"1983\" data-end=\"2024\"\u003enot include the outer cabinet housing\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2188\" data-end=\"2191\"\u003e\n\u003ch3 data-section-id=\"etibz4\" data-start=\"2193\" data-end=\"2231\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2197\" data-end=\"2231\"\u003eCommon Issues This Part Solves\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2232\" data-end=\"2427\"\u003e\n\u003cli data-section-id=\"1l9c1yg\" data-start=\"2232\" data-end=\"2260\"\u003eFurnace blowing cold air\u003c\/li\u003e\n\u003cli data-section-id=\"15on4zx\" data-start=\"2261\" data-end=\"2297\"\u003eWeak or inconsistent heat output\u003c\/li\u003e\n\u003cli data-section-id=\"jrfhwr\" data-start=\"2298\" data-end=\"2340\"\u003eCracked or failing heat exchanger\/core\u003c\/li\u003e\n\u003cli data-section-id=\"1ay7ln0\" data-start=\"2341\" data-end=\"2381\"\u003eFurnace short cycling or overheating\u003c\/li\u003e\n\u003cli data-section-id=\"1oh6f44\" data-start=\"2382\" data-end=\"2427\"\u003eAging or worn internal furnace components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2429\" data-end=\"2432\"\u003e\n\u003ch3 data-section-id=\"1r83cd5\" data-start=\"2434\" data-end=\"2460\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2438\" data-end=\"2460\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2461\" data-end=\"2682\"\u003e\n\u003cli data-section-id=\"1gsbzrk\" data-start=\"2461\" data-end=\"2505\"\u003eProfessional installation is recommended\u003c\/li\u003e\n\u003cli data-section-id=\"3c845z\" data-start=\"2506\" data-end=\"2570\"\u003eVerify compatibility with your furnace model before purchase\u003c\/li\u003e\n\u003cli data-section-id=\"2qpiln\" data-start=\"2571\" data-end=\"2628\"\u003eDisconnect power and gas supply prior to installation\u003c\/li\u003e\n\u003cli data-section-id=\"36c0xn\" data-start=\"2629\" data-end=\"2682\"\u003eFollow all Suburban safety and service guidelines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2684\" data-end=\"2687\"\u003e\n\u003ch3 data-section-id=\"1ooo1js\" data-start=\"2689\" data-end=\"2755\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2693\" data-end=\"2755\"\u003eWhy Replace the Furnace Core Instead of the Whole Furnace?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2756\" data-end=\"3039\"\u003eReplacing the furnace core allows you to restore your RV furnace’s performance at a fraction of the cost of a full replacement. The Suburban 2605A is designed as a \u003cstrong data-start=\"2920\" data-end=\"2951\"\u003ecomplete replacement module\u003c\/strong\u003e, making installation faster and more efficient while maintaining OEM-level performance.\u003c\/p\u003e\n\u003chr data-start=\"3041\" data-end=\"3044\"\u003e\n\u003ch2 data-section-id=\"1nqqsko\" data-start=\"3046\" data-end=\"3085\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3049\" data-end=\"3085\"\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3087\" data-end=\"3214\"\u003e\u003cstrong data-start=\"3087\" data-end=\"3138\"\u003eQ: Will this work with both SF and SF-Q models?\u003c\/strong\u003e\u003cbr data-start=\"3138\" data-end=\"3141\"\u003eA: Yes, this furnace core is compatible with \u003cstrong data-start=\"3186\" data-end=\"3206\"\u003eSF-20 and SF-20Q\u003c\/strong\u003e models.\u003c\/p\u003e\n\u003cp data-start=\"3216\" data-end=\"3378\"\u003e\u003cstrong data-start=\"3216\" data-end=\"3256\"\u003eQ: What does the “Q” mean in SF-20Q?\u003c\/strong\u003e\u003cbr data-start=\"3256\" data-end=\"3259\"\u003eA: “Q” indicates a \u003cstrong data-start=\"3278\" data-end=\"3305\"\u003equiet operation furnace\u003c\/strong\u003e, but this core works with both standard and quiet versions in this size.\u003c\/p\u003e\n\u003cp data-start=\"3380\" data-end=\"3501\"\u003e\u003cstrong data-start=\"3380\" data-end=\"3414\"\u003eQ: Is this a complete furnace?\u003c\/strong\u003e\u003cbr data-start=\"3414\" data-end=\"3417\"\u003eA: No, this is the \u003cstrong data-start=\"3436\" data-end=\"3475\"\u003einternal furnace core assembly only\u003c\/strong\u003e, not a full furnace unit.\u003c\/p\u003e\n\u003cp data-start=\"3503\" data-end=\"3656\"\u003e\u003cstrong data-start=\"3503\" data-end=\"3546\"\u003eQ: Does this include the control board?\u003c\/strong\u003e\u003cbr data-start=\"3546\" data-end=\"3549\"\u003eA: Many Suburban furnace cores include the control board as part of the assembly, simplifying installation.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":48059985232113,"sku":null,"price":589.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/2605A1.png?v=1776621846","url":"https:\/\/rvfurnaceguys.com\/products\/suburban-2605a-furnace-core-rp-20q-sf-20-sf-20q-20-000-btu","provider":"RV Furnace Guys","version":"1.0","type":"link"}