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The Goodman 10123517 Manual Reset Limit Switch is a genuine OEM safety control for the Goodman GCH950453BXAD gas furnace. Unlike an auto-reset limit, this manual-reset switch latches open when it senses an overheat or flame-rollout condition and must be physically reset with its push button — a deliberate design that forces a technician to inspect the furnace before it can run again. It is a critical last line of defense against heat-exchanger damage and unsafe combustion. If your furnace has gone cold and the switch button has popped, this is the exact factory replacement.
This genuine Goodman OEM switch is factory-calibrated to the furnace's specific trip temperature and uses the correct bracket and terminal configuration. Because a manual-reset limit is a life-safety component guarding against rollout, a mismatched generic part is a poor gamble — always match the OEM rating.
Easy–Moderate (2 of 5). Disconnect power, transfer the two spade terminals, and mount the new switch with the supplied screws. About 15–20 minutes. Important: a tripped manual-reset limit signals a real fault (blocked flue, cracked heat exchanger, or rollout) — have the furnace inspected before returning it to service.
Keep your GCH95 furnace safe with the genuine Goodman manual reset limit switch.