{"product_id":"oem-goodman-120f-auxiliary-limit-switch-for-gmth115-5-b1370155","title":"OEM Goodman 120F Auxiliary Limit Switch for GMTH115-5 — B1370155","description":"\u003ch2\u003eGoodman B1370155 Auxiliary Limit Switch (120°F)\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1370155\u003c\/strong\u003e is a genuine OEM auxiliary high-limit switch rated to trip at \u003cstrong\u003e120°F\u003c\/strong\u003e, designed for \u003cstrong\u003eGMTH115-5\u003c\/strong\u003e gas furnaces. This normally-closed safety switch monitors temperature at the blower or secondary heat area and cuts power to the burners if it senses excessive heat, protecting against overheating from restricted airflow or blower failure.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 120°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003eType: Auxiliary high-limit safety switch\u003c\/li\u003e\n\u003cli\u003eContacts: Normally closed\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003ePart number: B1370155\u003c\/li\u003e\n\u003cli\u003eFits: GMTH115-5 furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eLimit switches are safety devices, so the trip temperature must be exact. The genuine Goodman B1370155 is calibrated to the furnace's design temperature. Generic switches with even a slightly different set-point can nuisance-trip or, worse, fail to protect the equipment. OEM is strongly recommended for any safety control.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — power off, remove the two mounting screws, transfer the wire connectors, and reinstall. Typically a 10–15 minute job. Verify furnace airflow is clear so the new switch isn't tripping on a real fault.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058167202163,"sku":"GOODMAN-12592","price":11.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-120f-auxiliary-limit-switch-for-gmth115-5-b1370155","provider":"National HVAC Parts","version":"1.0","type":"link"}