{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gmt090-5b-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for GMT090-5B — B1370155","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370155 Auxiliary Limit Switch\u003c\/strong\u003e is a genuine OEM overheat-protection device for \u003cstrong\u003eGMT090-5B\u003c\/strong\u003e gas furnaces. Typically mounted on the blower housing, this auxiliary limit opens at \u003cstrong\u003e120°F\u003c\/strong\u003e to shut the furnace down if airflow is restricted or the blower fails, preventing heat exchanger damage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1370155\u003c\/li\u003e\n\u003cli\u003eCompatible Model: Goodman GMT090-5B\u003c\/li\u003e\n\u003cli\u003eTrip Temperature: 120°F\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary \/ secondary high-limit switch\u003c\/li\u003e\n\u003cli\u003eFunction: Blower-compartment overheat cutoff\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eCalibrated to Goodman's exact 120°F set point, the B1370155 protects the blower and heat exchanger from restricted-airflow damage. Universal limit switches with different temperature ratings can cause premature shutdowns or fail to protect the furnace. For a safety-rated part, genuine OEM is the correct choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eRating: Easy (1\/5).\u003c\/strong\u003e Expect about 10–15 minutes with a nut driver. Disconnect power before starting. Pull the spade terminals, unscrew the old switch, and mount the replacement in the same position. If the switch was tripping, check the air filter and blower operation before restoring heat.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058160320883,"sku":"GOODMAN-12413","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gmt090-5b-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}