{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-amh80905cnaa-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for AMH80905CNAA — B1370155","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370155 Auxiliary Limit Switch\u003c\/strong\u003e is a genuine OEM safety control engineered as a direct-fit replacement for \u003cstrong\u003eAmana\/Goodman AMH80905CNAA\u003c\/strong\u003e 80% AFUE gas furnaces. This normally-closed thermal switch opens at approximately \u003cstrong\u003e120°F\u003c\/strong\u003e to shut down the burner circuit if it detects abnormal heat buildup near the blower or secondary limit zone, protecting your heat exchanger and cabinet from overheating damage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1370155\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary (secondary) limit switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Temperature:\u003c\/strong\u003e 120°F, auto-reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContacts:\u003c\/strong\u003e Normally closed (SPST)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman\/Amana AMH80905CNAA furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Genuine Goodman OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e switch is factory-calibrated to the exact trip temperature and mounting footprint your furnace expects, ensuring reliable, code-compliant operation. The \u003cstrong\u003egeneric equivalent\u003c\/strong\u003e offers a budget-friendly alternative built to matching temperature and electrical specs — ideal for cost-conscious repairs where an aftermarket UL-listed control is acceptable.\u003c\/p\u003e\u003ch3\u003eSymptoms of Failure\u003c\/h3\u003e\u003cp\u003eA failed auxiliary limit can cause the furnace to short-cycle, trip on limit, or refuse to fire. If your furnace runs then shuts down on a limit fault, this switch is a common, inexpensive culprit.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5)\u003c\/strong\u003e — Two mounting screws and a pair of push-on spade terminals. Always disconnect power at the furnace switch or breaker before servicing. Most DIYers complete this repair in under 15 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057635311987,"sku":"GOODMAN-5850","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-amh80905cnaa-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}