{"product_id":"oem-goodman-300-f-flame-rollout-switch-for-gun125-5b-b1370108","title":"OEM Goodman 300°F Flame Rollout Switch for GUN125-5B — B1370108","description":"\u003ch2\u003eGoodman B1370108 Flame Rollout Switch (300°F)\u003c\/h2\u003e\u003cp\u003eThe Goodman B1370108 is a genuine OEM flame rollout safety limit switch designed for the \u003cstrong\u003eGUN125-5B\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana equipment. Mounted near the burner assembly, this manual-reset switch opens at 300°F to shut off the gas valve if flames roll out of the combustion chamber — a critical protection against blocked heat exchangers, poor venting, or a cracked heat exchanger.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrip temperature: 300°F\u003c\/li\u003e\n\u003cli\u003eType: Manual-reset thermal limit switch (normally closed)\u003c\/li\u003e\n\u003cli\u003eFunction: Flame rollout \/ burner safety shutoff\u003c\/li\u003e\n\u003cli\u003eFitment: Goodman GUN125-5B and compatible furnaces\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370108\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1370108\u003c\/strong\u003e is manufactured to the precise 300°F rating and bracket geometry your furnace was certified with. Generic rollout switches with a different trip temperature or mounting footprint can compromise safety certification and may not seat correctly. For a life-safety component, genuine OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e A quick two-wire, single-fastener replacement. \u003cem\u003eImportant:\u003c\/em\u003e a tripped rollout switch indicates an underlying combustion problem — inspect the heat exchanger and venting before returning the furnace to service. Shut off gas and power first.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058190401907,"sku":"GOODMAN-13176","price":14.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-300-f-flame-rollout-switch-for-gun125-5b-b1370108","provider":"National HVAC Parts","version":"1.0","type":"link"}