{"product_id":"suburban-233484-furnace-limit-switch-replaces-233020-nt-16se-nt-20-series","title":"Suburban 233484 Furnace Limit Switch – Replaces 233020 (NT-16SE \/ NT-20 Series)","description":"\u003ch2 data-section-id=\"53drpp\" data-start=\"225\" data-end=\"246\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"247\" data-end=\"538\"\u003eThe \u003cstrong data-start=\"251\" data-end=\"291\"\u003eSuburban 233484 Furnace Limit Switch\u003c\/strong\u003e is a direct replacement safety component designed for select \u003cstrong data-start=\"353\" data-end=\"384\"\u003eSuburban NT series furnaces\u003c\/strong\u003e. This switch monitors internal furnace temperature and automatically shuts down the system if overheating occurs, protecting your RV furnace from damage.\u003c\/p\u003e\n\u003cp data-start=\"540\" data-end=\"787\"\u003eThis part \u003cstrong data-start=\"550\" data-end=\"585\"\u003esupersedes Suburban part 233020\u003c\/strong\u003e and is required for specific NT series models based on serial number ranges. Replacing a faulty limit switch can restore proper furnace operation and prevent unexpected shutdowns or overheating issues.\u003c\/p\u003e\n\u003chr data-start=\"789\" data-end=\"792\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"794\" data-end=\"811\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"812\" data-end=\"1185\"\u003e\n\u003cli data-section-id=\"13j3mcu\" data-start=\"812\" data-end=\"858\"\u003eDirect replacement for \u003cstrong data-start=\"837\" data-end=\"856\"\u003eSuburban 233020\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m0urjw\" data-start=\"859\" data-end=\"914\"\u003eDesigned for select \u003cstrong data-start=\"881\" data-end=\"912\"\u003eSuburban NT series furnaces\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17rzhs\" data-start=\"915\" data-end=\"970\"\u003eMonitors furnace temperature to prevent overheating\u003c\/li\u003e\n\u003cli data-section-id=\"rxjoax\" data-start=\"971\" data-end=\"1042\"\u003eAutomatically shuts off furnace if unsafe temperatures are detected\u003c\/li\u003e\n\u003cli data-section-id=\"1qu2gyl\" data-start=\"1043\" data-end=\"1096\"\u003eHelps restore safe and reliable furnace operation\u003c\/li\u003e\n\u003cli data-section-id=\"1at68co\" data-start=\"1097\" data-end=\"1140\"\u003eDirect-fit design for easy installation\u003c\/li\u003e\n\u003cli data-section-id=\"yn53v2\" data-start=\"1141\" data-end=\"1185\"\u003eOEM replacement for proper compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1187\" data-end=\"1190\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"1192\" data-end=\"1211\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1212\" data-end=\"1391\"\u003e\n\u003cli data-section-id=\"1rwctqk\" data-start=\"1212\" data-end=\"1235\"\u003ePart Number: 233484\u003c\/li\u003e\n\u003cli data-section-id=\"4yjvcd\" data-start=\"1236\" data-end=\"1256\"\u003eReplaces: 233020\u003c\/li\u003e\n\u003cli data-section-id=\"1uxz2dq\" data-start=\"1257\" data-end=\"1295\"\u003eProduct Type: Furnace limit switch\u003c\/li\u003e\n\u003cli data-section-id=\"1qqfg83\" data-start=\"1296\" data-end=\"1346\"\u003eFunction: Overheat protection \/ safety shutoff\u003c\/li\u003e\n\u003cli data-section-id=\"ify82k\" data-start=\"1347\" data-end=\"1391\"\u003eApplication: Suburban NT series furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1393\" data-end=\"1396\"\u003e\n\u003ch2 data-section-id=\"yzynuf\" data-start=\"1398\" data-end=\"1428\"\u003eCompatible Furnace Models\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1ppjrvv\" data-start=\"1430\" data-end=\"1479\"\u003eSuburban NT Series (Serial Number Specific)\u003c\/h3\u003e\n\u003cul data-start=\"1480\" data-end=\"1686\"\u003e\n\u003cli data-section-id=\"kimb66\" data-start=\"1480\" data-end=\"1521\"\u003eNT-16SE (\u003cstrong data-start=\"1491\" data-end=\"1518\"\u003eAbove Serial #094100427\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-section-id=\"bbpwyn\" data-start=\"1522\" data-end=\"1534\"\u003eNT-16SEQ\u003c\/li\u003e\n\u003cli data-section-id=\"ulgvnk\" data-start=\"1535\" data-end=\"1575\"\u003eNT-20S (\u003cstrong data-start=\"1545\" data-end=\"1572\"\u003eAbove Serial #093800203\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-section-id=\"wbiat6\" data-start=\"1576\" data-end=\"1619\"\u003eNT-20S-TC (\u003cstrong data-start=\"1589\" data-end=\"1616\"\u003eAbove Serial #093800203\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-section-id=\"k76isp\" data-start=\"1620\" data-end=\"1661\"\u003eNT-20SE (\u003cstrong data-start=\"1631\" data-end=\"1658\"\u003eAbove Serial #094000057\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-section-id=\"kwoh96\" data-start=\"1662\" data-end=\"1674\"\u003eNT-20SEQ\u003c\/li\u003e\n\u003cli data-section-id=\"z2mrzz\" data-start=\"1675\" data-end=\"1686\"\u003eNT-20SQ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1688\" data-end=\"1691\"\u003e\n\u003ch2 data-section-id=\"r0ub25\" data-start=\"1693\" data-end=\"1726\"\u003eImportant Compatibility Note\u003c\/h2\u003e\n\u003cp data-start=\"1727\" data-end=\"1795\"\u003eThis limit switch is \u003cstrong data-start=\"1748\" data-end=\"1775\"\u003eserial number dependent\u003c\/strong\u003e for certain models.\u003c\/p\u003e\n\u003cul data-start=\"1797\" data-end=\"1974\"\u003e\n\u003cli data-section-id=\"1sei786\" data-start=\"1797\" data-end=\"1860\"\u003eVerify your furnace model and serial number before ordering\u003c\/li\u003e\n\u003cli data-section-id=\"1j0nhi6\" data-start=\"1861\" data-end=\"1922\"\u003eDesigned specifically for NT series furnaces listed above\u003c\/li\u003e\n\u003cli data-section-id=\"1ref0ki\" data-start=\"1923\" data-end=\"1974\"\u003eNot compatible with all Suburban furnace models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1976\" data-end=\"1979\"\u003e\n\u003ch2 data-section-id=\"1s25svq\" data-start=\"1981\" data-end=\"2027\"\u003eWhen Should You Replace the Limit Switch?\u003c\/h2\u003e\n\u003cp data-start=\"2028\" data-end=\"2083\"\u003eYou may need the 233484 limit switch if your furnace:\u003c\/p\u003e\n\u003cul data-start=\"2084\" data-end=\"2282\"\u003e\n\u003cli data-section-id=\"2j8vbc\" data-start=\"2084\" data-end=\"2127\"\u003eShuts off unexpectedly during operation\u003c\/li\u003e\n\u003cli data-section-id=\"o0qe7d\" data-start=\"2128\" data-end=\"2173\"\u003eOverheats or cycles on and off frequently\u003c\/li\u003e\n\u003cli data-section-id=\"17wi6bu\" data-start=\"2174\" data-end=\"2214\"\u003eWill not stay running after ignition\u003c\/li\u003e\n\u003cli data-section-id=\"dsjijo\" data-start=\"2215\" data-end=\"2282\"\u003eShows signs of safety shutdown or thermal protection activation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2284\" data-end=\"2358\"\u003eA faulty limit switch is a common cause of intermittent furnace operation.\u003c\/p\u003e\n\u003chr data-start=\"2360\" data-end=\"2363\"\u003e\n\u003ch2 data-section-id=\"dslo8q\" data-start=\"2365\" data-end=\"2391\"\u003eWhy This Part Matters\u003c\/h2\u003e\n\u003cul data-start=\"2392\" data-end=\"2584\"\u003e\n\u003cli data-section-id=\"5x0p9e\" data-start=\"2392\" data-end=\"2441\"\u003eProtects your furnace from overheating damage\u003c\/li\u003e\n\u003cli data-section-id=\"1szjyow\" data-start=\"2442\" data-end=\"2491\"\u003eEnsures safe operation of your heating system\u003c\/li\u003e\n\u003cli data-section-id=\"50y01r\" data-start=\"2492\" data-end=\"2535\"\u003eRestores proper cycling and performance\u003c\/li\u003e\n\u003cli data-section-id=\"iqp6dl\" data-start=\"2536\" data-end=\"2584\"\u003eCritical safety component in all RV furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2586\" data-end=\"2589\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"2591\" data-end=\"2599\"\u003eFAQ\u003c\/h2\u003e\n\u003cp data-start=\"2601\" data-end=\"2696\"\u003e\u003cstrong data-start=\"2601\" data-end=\"2635\"\u003eDoes this replace part 233020?\u003c\/strong\u003e\u003cbr data-start=\"2635\" data-end=\"2638\"\u003eYes, the \u003cstrong data-start=\"2647\" data-end=\"2684\"\u003e233484 is the updated replacement\u003c\/strong\u003e for 233020.\u003c\/p\u003e\n\u003cp data-start=\"2698\" data-end=\"2821\"\u003e\u003cstrong data-start=\"2698\" data-end=\"2739\"\u003eWill this fit all NT series furnaces?\u003c\/strong\u003e\u003cbr data-start=\"2739\" data-end=\"2742\"\u003eNo, it only fits the \u003cstrong data-start=\"2763\" data-end=\"2820\"\u003especific models and serial number ranges listed above\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2823\" data-end=\"2974\"\u003e\u003cstrong data-start=\"2823\" data-end=\"2862\"\u003eWhy is the serial number important?\u003c\/strong\u003e\u003cbr data-start=\"2862\" data-end=\"2865\"\u003eSuburban updated components across production runs, so compatibility depends on your furnace’s serial number.\u003c\/p\u003e\n\u003cp data-start=\"2976\" data-end=\"3117\"\u003e\u003cstrong data-start=\"2976\" data-end=\"3006\"\u003eIs installation difficult?\u003c\/strong\u003e\u003cbr data-start=\"3006\" data-end=\"3009\"\u003eInstallation is straightforward, but ensure power is disconnected and proper safety procedures are followed.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47949844938993,"sku":null,"price":11.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/233484.jpg?v=1774308322","url":"https:\/\/rvfurnaceguys.com\/products\/suburban-233484-furnace-limit-switch-replaces-233020-nt-16se-nt-20-series","provider":"RV Furnace Guys","version":"1.0","type":"link"}