{"product_id":"oem-goodman-stack-overtemp-rollout-switch-for-gmnt100-4b-b1370254","title":"OEM Goodman Stack Overtemp Rollout Switch for GMNT100-4B — B1370254","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370254 Stack Overtemp Switch\u003c\/strong\u003e is a genuine OEM manual-reset safety control for the \u003cstrong\u003eGMNT100-4B\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Mounted near the burner box or flue collector, this switch monitors for abnormal heat and \u003cstrong\u003eflame rollout\u003c\/strong\u003e — a dangerous condition where flames escape the heat exchanger due to a blocked flue, cracked exchanger, or poor combustion. When tripped, it immediately cuts power to the gas valve to prevent fire and carbon-monoxide hazards.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFunction: Stack overtemp \/ flame rollout safety switch\u003c\/li\u003e\n\u003cli\u003eReset: Manual (push-button)\u003c\/li\u003e\n\u003cli\u003eConfiguration: Normally closed, opens on overtemperature\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370254\u003c\/li\u003e\n\u003cli\u003eCompatibility: GMNT100-4B and select Goodman\/Amana furnaces\u003c\/li\u003e\n\u003cli\u003eType: Direct-replacement factory component\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine OEM B1370254\u003c\/strong\u003e is factory-calibrated to trip at the precise temperature your furnace requires. Because this is a life-safety device that guards against flame rollout, we strongly recommend the exact OEM part over generic substitutes that may have a different trip point or slower response.\u003c\/p\u003e\u003ch3\u003eSymptoms of a Tripped or Failed Rollout Switch\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFurnace locks out and will not fire\u003c\/li\u003e\n\u003cli\u003ePush-button has popped and requires reset\u003c\/li\u003e\n\u003cli\u003eRepeated trips (indicates an underlying combustion or venting problem)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation Difficulty: Easy (DIY-Friendly)\u003c\/h3\u003e\u003cp\u003eDisconnect furnace power, remove the mounting screws, transfer the two wire terminals, and mount the new switch in the identical position. Allow 15–20 minutes. \u003cstrong\u003eImportant:\u003c\/strong\u003e if the switch trips again after replacement, do not bypass it — have a licensed technician inspect the heat exchanger, burners, and flue for the root cause.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058131124595,"sku":"GOODMAN-11731","price":13.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-stack-overtemp-rollout-switch-for-gmnt100-4b-b1370254","provider":"National HVAC Parts","version":"1.0","type":"link"}