{"product_id":"oem-goodman-auxiliary-limit-switch-120f-for-ams80903bxa-furnace-b1370155","title":"OEM Goodman Auxiliary Limit Switch 120F for AMS80903BXA Furnace — B1370155","description":"\u003ch2\u003eGoodman B1370155 Auxiliary Limit Switch (120F)\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1370155\u003c\/strong\u003e is a genuine OEM 120°F auxiliary limit switch engineered for the \u003cstrong\u003eAMS80903BXA\u003c\/strong\u003e gas furnace and compatible Goodman and Amana 80% AFUE models. This normally-closed thermal safety switch monitors temperature at the burner or blower compartment and opens the control circuit if it senses an unsafe overheat condition, shutting the furnace down to protect the heat exchanger and surrounding components.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip point: 120°F (open on rise)\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary \/ secondary limit, normally closed\u003c\/li\u003e\n\u003cli\u003eManual or auto-reset per OEM spec\u003c\/li\u003e\n\u003cli\u003eDirect fit for AMS80903BXA and related 80% Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003eOEM part number: B1370155\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur genuine OEM B1370155 is calibrated to the exact factory trip temperature, guaranteeing correct furnace safety operation. Generic aftermarket limits may differ in trip point or terminal orientation, risking nuisance lockouts or improper protection. For a safety-critical control, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5)\u003c\/strong\u003e — A two-wire swap that most technicians complete in minutes. Always cut power at the disconnect before servicing. Professional installation is recommended for anyone unfamiliar with gas furnace safety circuits.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057705107827,"sku":"GOODMAN-7050","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-auxiliary-limit-switch-120f-for-ams80903bxa-furnace-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}