{"product_id":"oem-goodman-120-f-aux-limit-switch-for-gds80904bna-b1370155","title":"OEM Goodman 120°F Aux Limit Switch for GDS80904BNA — B1370155","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB1370155\u003c\/strong\u003e is a genuine OEM auxiliary limit switch engineered for the \u003cstrong\u003eGDS80904BNA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This normally-closed thermal safety control opens the circuit if it senses excessive heat, shutting the burners down to protect the heat exchanger and surrounding components from a dangerous overheat condition.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 120°F (manual\/auto reset per assembly)\u003c\/li\u003e\n\u003cli\u003eFunction: Auxiliary high-limit \/ roll-out safety switch\u003c\/li\u003e\n\u003cli\u003eConfiguration: Normally closed (opens on temperature rise)\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GDS80904BNA and related 80% AFUE furnaces\u003c\/li\u003e\n\u003cli\u003eGenuine Goodman OEM replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM B1370155 is calibrated to the exact trip point your furnace's control board expects, ensuring correct nuisance-trip-free operation and safe shutdown. Aftermarket generics may drift in calibration or use lower-grade bimetal discs, risking premature failure or false trips. For a safety-critical limit switch, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e A two-wire replacement typically secured by two screws to the heat exchanger or vestibule panel. Always disconnect power and gas before servicing. If unsure, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058076729715,"sku":"GOODMAN-10335","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120-f-aux-limit-switch-for-gds80904bna-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}