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The Goodman 10123529 is a genuine OEM manual reset high-limit switch designed for direct-fit replacement in AMVC80804CNBD gas furnaces. This safety control opens the circuit and shuts off the burners if it senses excessive temperature — commonly from restricted airflow, a dirty filter, or blower failure. The manual reset button ensures the furnace stays locked out until a technician verifies the fault is cleared.
OEM Goodman limit switches are calibrated to the exact factory trip temperature for your furnace's heat exchanger. Generic switches may trip at incorrect setpoints, causing nuisance shutdowns or, worse, failing to protect the unit. For a safety-critical control, OEM is the safe choice.
Easy to Moderate — disconnect power, unplug the two spade terminals, and swap the switch. Always diagnose the root cause of the over-temp trip before returning the furnace to service.