{"product_id":"oem-goodman-300-f-flame-rollout-switch-for-gun100-4-b1370108","title":"OEM Goodman 300°F Flame Rollout Switch for GUN100-4 — B1370108","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370108 Flame Rollout Switch\u003c\/strong\u003e is the OEM burner-safety limit that shuts off the gas valve in the \u003cstrong\u003eGUN100-4\u003c\/strong\u003e furnace if flames roll out of the burner box. Rated to open at \u003cstrong\u003e300°F\u003c\/strong\u003e, it mounts on the burner assembly and detects the excess heat that occurs when a blocked heat exchanger or restricted flue forces combustion flame backward toward the cabinet — a serious fire and carbon-monoxide hazard.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1370108\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Flame Rollout \/ Manual-Reset Limit Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrip Temperature:\u003c\/strong\u003e 300°F open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset:\u003c\/strong\u003e Manual reset button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e Goodman GUN100-4 gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman \/ Amana\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eA rollout switch is a life-safety device, and its trip point must be exact. The \u003cstrong\u003egenuine Goodman B1370108\u003c\/strong\u003e opens precisely at 300°F. Substituting a switch with a different rating defeats the safety design. \u003cstrong\u003eImportant:\u003c\/strong\u003e if this switch has tripped, find and correct the root cause (dirty burners, cracked heat exchanger, blocked flue) before resetting — never just replace and reset.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1.5 \/ 5).\u003c\/strong\u003e A single-screw mount and two spade terminals. Physically simple, but the underlying fault must be diagnosed by a qualified technician. Power and gas off before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058188730739,"sku":"GOODMAN-13148","price":4.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-300-f-flame-rollout-switch-for-gun100-4-b1370108","provider":"National HVAC Parts","version":"1.0","type":"link"}