{"product_id":"oem-goodman-120-f-auxiliary-limit-switch-for-gmnt080-4b-b1370155","title":"OEM Goodman 120°F Auxiliary Limit Switch for GMNT080-4B — B1370155","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370155 Auxiliary Limit Switch\u003c\/strong\u003e is a genuine OEM safety control designed for the \u003cstrong\u003eGMNT080-4B\u003c\/strong\u003e gas furnace and other compatible Goodman\/Amana models. This normally-closed thermal switch opens at approximately \u003cstrong\u003e120°F\u003c\/strong\u003e to interrupt the burner circuit if it detects abnormal heat, protecting your furnace against overheating, flame rollout, and restricted airflow conditions.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1370155 (OEM Goodman)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary \/ rollout limit switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 120°F open, auto-reset on cooldown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Goodman GMNT080-4B and compatible furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e 1\/4\" quick-connect spade\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is the \u003cstrong\u003efactory OEM part\u003c\/strong\u003e — calibrated to the exact trip point your furnace's control board expects, ensuring correct safety operation and preserving equipment warranty coverage. Generic aftermarket limit switches may vary in trip temperature and mounting, risking nuisance lockouts or unsafe operation. For a life-safety component, we recommend OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Replacement typically takes 15–20 minutes with basic hand tools. Cut power at the disconnect, note wire positions, unscrew the switch from the burner assembly or vestibule panel, transfer the spade connectors, and remount. Always verify furnace operation and check for flame rollout after installation. If you are unfamiliar with gas furnace safety controls, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058129682803,"sku":"GOODMAN-11685","price":24.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-auxiliary-limit-switch-for-gmnt080-4b-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}