{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-amh80904bnab-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for AMH80904BNAB — B1370155","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370155 Auxiliary Limit Switch\u003c\/strong\u003e is a genuine OEM temperature safety control for the \u003cstrong\u003eAMH80904BNAB\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana 80% AFUE units. Typically mounted near the blower compartment, this auxiliary limit guards against heat buildup caused by restricted airflow, a failed blower, or a clogged filter — cutting the burner circuit before temperatures reach a damaging level.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip temperature:\u003c\/strong\u003e 120°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset type:\u003c\/strong\u003e Automatic reset\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\u003eOEM Part Number:\u003c\/strong\u003e B1370155\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e AMH80904BNAB and related Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (Daikin family)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eChoosing the \u003cstrong\u003egenuine OEM B1370155\u003c\/strong\u003e guarantees the exact 120°F trip point and bracket geometry the furnace was designed around. Aftermarket substitutes may nominally match the temperature but differ in reset behavior and mounting, which can cause nuisance lockouts or leave your furnace under-protected. For safety limits, OEM is the confident choice.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Kill power at the furnace switch, pull the spade connectors, remove the two mounting screws, and install the replacement in the same orientation. Expect roughly 10–15 minutes. If the limit was tripping, correct the underlying airflow issue first.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057632264563,"sku":"GOODMAN-5786","price":22.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-amh80904bnab-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}