{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gmt090-4b-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for GMT090-4B — B1370155","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370155 Auxiliary Limit Switch\u003c\/strong\u003e is a genuine OEM safety component engineered for the \u003cstrong\u003eGMT090-4B\u003c\/strong\u003e gas furnace and other compatible Goodman and Amana models. This 120°F normally-closed thermal switch continuously monitors furnace temperature and opens the control circuit to shut down the burner if an unsafe over-temperature condition is detected — protecting your heat exchanger and blower assembly from damage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 120°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e Normally-closed thermal limit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Auxiliary \/ secondary high-limit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e Goodman GMT090-4B furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1370155\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment Type:\u003c\/strong\u003e Gas Furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1370155\u003c\/strong\u003e guarantees exact trip-temperature calibration and factory fit for reliable safety operation. Our compatible \u003cstrong\u003egeneric\u003c\/strong\u003e equivalent meets the same 120°F specification at a lower price point and is a budget-friendly choice for out-of-warranty repairs. Both restore proper limit protection — choose OEM for warranty-critical installs.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e A basic two-screw, two-wire replacement most homeowners can complete in under 15 minutes. Always disconnect power at the breaker before servicing. If you are unsure about wiring, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058159731059,"sku":"GOODMAN-12395","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gmt090-4b-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}