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The Goodman 10123529 is a genuine OEM manual reset high-limit switch engineered for the ADVC81005CNBB gas furnace and compatible Goodman/Amana models. This safety control monitors heat exchanger temperature and cuts power to the burners if the furnace overheats, protecting the equipment and your home. As a manual reset device, it requires the red button to be pressed after a trip, alerting you that a fault (such as a blocked filter or failed blower) needs attention.
This is the genuine OEM Goodman part, calibrated to the exact trip temperature specified for your furnace's heat exchanger. Generic substitutes may carry different set points that trip early (nuisance shutdowns) or late (safety risk). For a critical safety control, OEM is strongly recommended.
Easy (1/5). Two wire terminals and two mounting screws. Always shut off power and gas before servicing. If you are unsure, consult a licensed HVAC technician.