{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-ams80704bna-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for AMS80704BNA — B1370155","description":"\u003cp\u003eGenuine OEM Goodman \u003cstrong\u003eB1370155\u003c\/strong\u003e is a 120°F auxiliary limit switch designed for the \u003cstrong\u003eAMS80704BNA\u003c\/strong\u003e gas furnace and related Goodman\/Amana equipment. Typically mounted on or near the blower housing, this auto-reset switch monitors temperature in the air-handling section and shuts off the burners if airflow is restricted or the blower fails, protecting the furnace from overheating.\u003c\/p\u003e\u003cp\u003eA failed auxiliary limit can cause the furnace to short-cycle, fail to heat, or run without proper high-temperature protection. Installing the correct OEM switch restores dependable overheat safety.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e B1370155\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip temperature:\u003c\/strong\u003e 120°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset type:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Auxiliary \/ blower-compartment overheat limit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman AMS80704BNA and compatible furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e The genuine Goodman switch is factory-calibrated to the precise 120°F auto-reset point and matches the original mounting bracket and terminal layout. Generic substitutes often carry the wrong trip temperature or differential, causing premature tripping or inadequate protection. For a temperature-critical safety control, OEM ensures the furnace behaves exactly as engineered.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty:\u003c\/strong\u003e Moderate — a manageable job for a DIYer with basic tools. Shut off power to the furnace, photograph the wiring, remove the mounting screws, transfer the wire connectors to the new switch, and reassemble. Test furnace heating and blower operation before returning the unit to service.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057690886515,"sku":"GOODMAN-6912","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-ams80704bna-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}