{"product_id":"suburban-521138-furnace-motor-12vdc-nt-34-nt-40-blower-motor-replaces-231208","title":"Suburban 521138 Furnace Motor – 12VDC NT-34 \/ NT-40 Blower Motor (Replaces 231208)","description":"\u003ch2 data-section-id=\"53drpp\" data-start=\"246\" data-end=\"267\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"268\" data-end=\"593\"\u003eThe \u003cstrong data-start=\"272\" data-end=\"305\"\u003eSuburban 521138 Furnace Motor\u003c\/strong\u003e (formerly part \u003cstrong data-start=\"321\" data-end=\"331\"\u003e231208\u003c\/strong\u003e) is a direct replacement \u003cstrong data-start=\"357\" data-end=\"379\"\u003e12VDC blower motor\u003c\/strong\u003e designed for select \u003cstrong data-start=\"400\" data-end=\"434\"\u003eSuburban NT series RV furnaces\u003c\/strong\u003e, including NT-34 and NT-40 models. This motor powers the blower assembly, ensuring proper airflow for ignition, heat distribution, and safe furnace operation.\u003c\/p\u003e\n\u003cp data-start=\"595\" data-end=\"801\"\u003eIf your furnace is not producing airflow, making unusual noises, or failing to start, a worn or failing motor is a common cause. Replacing the motor restores proper airflow and reliable heating performance.\u003c\/p\u003e\n\u003chr data-start=\"803\" data-end=\"806\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"808\" data-end=\"825\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"826\" data-end=\"1298\"\u003e\n\u003cli data-section-id=\"1hnexqg\" data-start=\"826\" data-end=\"892\"\u003eReplaces \u003cstrong data-start=\"837\" data-end=\"861\"\u003eSuburban part 231208\u003c\/strong\u003e (updated part number 521138)\u003c\/li\u003e\n\u003cli data-section-id=\"5h1na5\" data-start=\"893\" data-end=\"947\"\u003eDesigned for \u003cstrong data-start=\"908\" data-end=\"945\"\u003eSuburban NT-34 and NT-40 furnaces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2dc7kb\" data-start=\"948\" data-end=\"984\"\u003e\u003cstrong data-start=\"950\" data-end=\"982\"\u003e12 Volt DC operation (12VDC)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"celrj9\" data-start=\"985\" data-end=\"1042\"\u003eDirect OEM replacement for proper fit and performance\u003c\/li\u003e\n\u003cli data-section-id=\"oe4xva\" data-start=\"1043\" data-end=\"1098\"\u003ePowers blower fan for airflow and heat distribution\u003c\/li\u003e\n\u003cli data-section-id=\"fy0oa5\" data-start=\"1099\" data-end=\"1148\"\u003eEnsures proper air movement for safe ignition\u003c\/li\u003e\n\u003cli data-section-id=\"xopqy7\" data-start=\"1149\" data-end=\"1196\"\u003eHelps resolve no-airflow and no-heat issues\u003c\/li\u003e\n\u003cli data-section-id=\"tkyouu\" data-start=\"1197\" data-end=\"1243\"\u003eDurable construction for long service life\u003c\/li\u003e\n\u003cli data-section-id=\"qykgd7\" data-start=\"1244\" data-end=\"1298\"\u003eDirect-fit design for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1300\" data-end=\"1303\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"1305\" data-end=\"1324\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1325\" data-end=\"1542\"\u003e\n\u003cli data-section-id=\"1cibpai\" data-start=\"1325\" data-end=\"1348\"\u003ePart Number: 521138\u003c\/li\u003e\n\u003cli data-section-id=\"3peg2v\" data-start=\"1349\" data-end=\"1369\"\u003eReplaces: 231208\u003c\/li\u003e\n\u003cli data-section-id=\"1ldilvn\" data-start=\"1370\" data-end=\"1408\"\u003eProduct Type: Furnace blower motor\u003c\/li\u003e\n\u003cli data-section-id=\"hivc2\" data-start=\"1409\" data-end=\"1431\"\u003eVoltage: \u003cstrong data-start=\"1420\" data-end=\"1429\"\u003e12VDC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ify82k\" data-start=\"1432\" data-end=\"1476\"\u003eApplication: Suburban NT series furnaces\u003c\/li\u003e\n\u003cli data-section-id=\"1j3k8pe\" data-start=\"1477\" data-end=\"1542\"\u003eFunction: Drives blower fan for airflow and heating operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1544\" data-end=\"1547\"\u003e\n\u003ch2 data-section-id=\"yzynuf\" data-start=\"1549\" data-end=\"1579\"\u003eCompatible Furnace Models\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1mqc26h\" data-start=\"1581\" data-end=\"1605\"\u003eSuburban NT Series\u003c\/h3\u003e\n\u003cul data-start=\"1606\" data-end=\"1649\"\u003e\n\u003cli data-section-id=\"dzs0j9\" data-start=\"1606\" data-end=\"1616\"\u003eNT-34M\u003c\/li\u003e\n\u003cli data-section-id=\"dzrs4r\" data-start=\"1617\" data-end=\"1627\"\u003eNT-34S\u003c\/li\u003e\n\u003cli data-section-id=\"zltj6j\" data-start=\"1628\" data-end=\"1639\"\u003eNT-34SP\u003c\/li\u003e\n\u003cli data-section-id=\"17gyz6j\" data-start=\"1640\" data-end=\"1649\"\u003eNT-40\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1651\" data-end=\"1654\"\u003e\n\u003ch2 data-section-id=\"r0ub25\" data-start=\"1656\" data-end=\"1689\"\u003eImportant Compatibility Note\u003c\/h2\u003e\n\u003cul data-start=\"1690\" data-end=\"1882\"\u003e\n\u003cli data-section-id=\"1g1t32j\" data-start=\"1690\" data-end=\"1766\"\u003eDesigned specifically for \u003cstrong data-start=\"1718\" data-end=\"1764\"\u003eNT-34 and NT-40 series models listed above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g58k3b\" data-start=\"1767\" data-end=\"1836\"\u003eNot interchangeable with other NT, SF, or P-series furnace motors\u003c\/li\u003e\n\u003cli data-section-id=\"1nhx97i\" data-start=\"1837\" data-end=\"1882\"\u003eVerify your furnace model before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1884\" data-end=\"1887\"\u003e\n\u003ch2 data-section-id=\"10dn24y\" data-start=\"1889\" data-end=\"1936\"\u003eWhen Should You Replace the Furnace Motor?\u003c\/h2\u003e\n\u003cp data-start=\"1937\" data-end=\"1985\"\u003eYou may need the 521138 motor if your furnace:\u003c\/p\u003e\n\u003cul data-start=\"1986\" data-end=\"2172\"\u003e\n\u003cli data-section-id=\"1k2usdo\" data-start=\"1986\" data-end=\"2007\"\u003eDoes not blow air\u003c\/li\u003e\n\u003cli data-section-id=\"12tv68q\" data-start=\"2008\" data-end=\"2062\"\u003eMakes loud or unusual noises (grinding, squealing)\u003c\/li\u003e\n\u003cli data-section-id=\"uiusun\" data-start=\"2063\" data-end=\"2104\"\u003eFails to start or runs intermittently\u003c\/li\u003e\n\u003cli data-section-id=\"1kwkzu9\" data-start=\"2105\" data-end=\"2130\"\u003eProduces weak airflow\u003c\/li\u003e\n\u003cli data-section-id=\"1972wdj\" data-start=\"2131\" data-end=\"2172\"\u003eFails ignition due to lack of airflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2174\" data-end=\"2257\"\u003eThe blower motor is a critical component and a common wear item in furnace systems.\u003c\/p\u003e\n\u003chr data-start=\"2259\" data-end=\"2262\"\u003e\n\u003ch2 data-section-id=\"dslo8q\" data-start=\"2264\" data-end=\"2290\"\u003eWhy This Part Matters\u003c\/h2\u003e\n\u003cul data-start=\"2291\" data-end=\"2489\"\u003e\n\u003cli data-section-id=\"u402no\" data-start=\"2291\" data-end=\"2344\"\u003eEnsures proper airflow for safe furnace operation\u003c\/li\u003e\n\u003cli data-section-id=\"1y3g0u2\" data-start=\"2345\" data-end=\"2396\"\u003eSupports ignition by activating the sail switch\u003c\/li\u003e\n\u003cli data-section-id=\"20xy7n\" data-start=\"2397\" data-end=\"2440\"\u003eRestores consistent heating performance\u003c\/li\u003e\n\u003cli data-section-id=\"12tawee\" data-start=\"2441\" data-end=\"2489\"\u003eEssential for both airflow and system safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2491\" data-end=\"2494\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"2496\" data-end=\"2504\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"2506\" data-end=\"2603\"\u003e\u003cstrong data-start=\"2506\" data-end=\"2530\"\u003eIs this a 12V motor?\u003c\/strong\u003e\u003cbr data-start=\"2530\" data-end=\"2533\"\u003eYes, this is a \u003cstrong data-start=\"2548\" data-end=\"2570\"\u003e12VDC blower motor\u003c\/strong\u003e designed for RV furnace systems.\u003c\/p\u003e\n\u003cp data-start=\"2605\" data-end=\"2679\"\u003e\u003cstrong data-start=\"2605\" data-end=\"2637\"\u003eWhat part does this replace?\u003c\/strong\u003e\u003cbr data-start=\"2637\" data-end=\"2640\"\u003eThis replaces \u003cstrong data-start=\"2654\" data-end=\"2678\"\u003eSuburban part 231208\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2681\" data-end=\"2785\"\u003e\u003cstrong data-start=\"2681\" data-end=\"2712\"\u003eWill this fit NT-30 models?\u003c\/strong\u003e\u003cbr data-start=\"2712\" data-end=\"2715\"\u003eNo, this motor is designed for \u003cstrong data-start=\"2746\" data-end=\"2784\"\u003eNT-34 and NT-40 series models only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2787\" data-end=\"2896\"\u003e\u003cstrong data-start=\"2787\" data-end=\"2823\"\u003eWhat happens if the motor fails?\u003c\/strong\u003e\u003cbr data-start=\"2823\" data-end=\"2826\"\u003eThe furnace will not move air, preventing ignition and proper heating.\u003c\/p\u003e\n\u003cp data-start=\"2898\" data-end=\"3025\"\u003e\u003cstrong data-start=\"2898\" data-end=\"2928\"\u003eIs installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"2928\" data-end=\"2931\"\u003eInstallation is moderate and may require access to the furnace housing and wiring connections.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47952347463921,"sku":null,"price":319.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/521138.jpg?v=1774397125","url":"https:\/\/rvfurnaceguys.com\/products\/suburban-521138-furnace-motor-12vdc-nt-34-nt-40-blower-motor-replaces-231208","provider":"RV Furnace Guys","version":"1.0","type":"link"}