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The Goodman 10123517 is a genuine OEM manual reset flame rollout limit switch engineered specifically for the WGFD293090V5DAB gas furnace package unit and other compatible Goodman/Amana models. This safety component monitors the burner compartment for abnormal heat or flame rollout and interrupts the ignition circuit to prevent unsafe operation. When tripped, it must be manually reset — a deliberate design that alerts the homeowner or technician to an underlying combustion issue.
Genuine OEM 10123517 switches use factory-calibrated trip temperatures and mounting geometry that drop straight into your Goodman burner assembly. Generic aftermarket switches may fit but can trip at incorrect thresholds, leading to nuisance lockouts or missed safety events. For a code-critical safety part like a rollout switch, OEM is strongly recommended.
Replacement is straightforward for a qualified technician — disconnect power, remove two wire leads and the mounting screw, and swap. Always diagnose the root cause of a tripped rollout switch (blocked heat exchanger, poor venting, or cracked exchanger) before returning the unit to service.