{"product_id":"oem-goodman-300-f-rollout-limit-switch-for-gmth090-5b-b1370145","title":"OEM Goodman 300°F Rollout Limit Switch for GMTH090-5B — B1370145","description":"\u003ch2\u003eGoodman B1370145 Flame Rollout Switch — 300°F\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1370145 rollout switch\u003c\/strong\u003e is a genuine OEM manual-reset flame rollout safety rated at \u003cstrong\u003e300°F\u003c\/strong\u003e, built for the \u003cstrong\u003eGMTH090-5B\u003c\/strong\u003e gas furnace. Mounted at the burner box, it senses flame rollout — flames escaping the combustion chamber due to a cracked heat exchanger, blocked flue, or failed inducer — and instantly shuts down the gas valve to prevent fire and CO hazards.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: B1370145 (OEM Goodman)\u003c\/li\u003e\n\u003cli\u003eType: Flame rollout switch, manual reset\u003c\/li\u003e\n\u003cli\u003eTrip temperature: 300°F\u003c\/li\u003e\n\u003cli\u003eFunction: Normally closed, opens on rollout heat\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GMTH090-5B gas furnace\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM B1370145\u003c\/strong\u003e is factory-calibrated to trip at exactly 300°F, the temperature Goodman specifies for this burner assembly. A generic switch with a slightly different rating can nuisance-trip or, worse, fail to protect against a true rollout event. For a life-safety control we strongly recommend OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty: Easy\u003c\/h3\u003e\u003cp\u003eRated \u003cstrong\u003eEasy\u003c\/strong\u003e — two spade terminals and a mounting screw or bracket. Kill gas and power first. Critical: if this switch tripped, find and correct the cause (cracked heat exchanger, dirty burners, weak draft) before returning the furnace to service.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057148674419,"sku":"GOODMAN-B1370145","price":4.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-300-f-rollout-limit-switch-for-gmth090-5b-b1370145","provider":"National HVAC Parts","version":"1.0","type":"link"}