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The Goodman 10123533 Manual Reset Limit Switch is a genuine OEM safety control engineered for the WGFM295115V5DAB gas furnace and compatible Goodman/Amana models. This high-limit/rollout switch monitors heat-exchanger and burner-box temperatures, cutting power to the gas valve if an over-temperature condition is detected. Because it is a manual reset device, it will not auto-cycle after a fault — it must be reset by hand, forcing a technician to diagnose the root cause (blocked flue, failed blower, or dirty filter) before the furnace can run again.
The Genuine OEM switch is factory-calibrated to the exact trip temperature Goodman specifies for this furnace, guaranteeing correct safety response. Our Generic-equivalent option meets the same electrical and temperature ratings at a lower price point — ideal for out-of-warranty repairs where budget matters. Both are new, tested units.
Difficulty: Easy (1/5). Power down at the breaker, unplug the two spade terminals, remove the mounting screws, and swap in the new switch. Most homeowners complete this in under 15 minutes with a nut driver. If the switch keeps tripping, address the underlying airflow or venting fault before returning the furnace to service.