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The Goodman 10123534 is a genuine OEM manual reset limit switch engineered as a critical safety control for the ACV90704CXBA gas furnace and compatible Goodman/Amana models. This switch monitors temperature and trips to shut down the burner if an over-temperature or flame rollout condition occurs, protecting your heat exchanger and home. Because it is a manual reset device, it requires a deliberate button press to restore operation after a trip — an intentional design that prompts homeowners to investigate the underlying fault.
Generic limit switches may carry a similar temperature rating but often differ in trip accuracy, terminal layout, and bracket fitment. This genuine OEM Goodman part guarantees an exact mechanical and electrical match for the ACV90704CXBA, ensuring reliable safety performance and preserving any applicable equipment warranty.
Easy–Moderate. Most DIYers with basic tools can replace this switch in under 30 minutes. Always disconnect power and gas before servicing, and confirm the root cause of any trip before reset.