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Restore safe operation to your Goodman ADSS800804BXAD furnace with this genuine OEM manual reset limit switch. This high-limit safety control monitors heat exchanger temperature and cuts power to the burners if the furnace overheats — a critical protection against cracked heat exchangers, blocked airflow, and fire hazards. Because it is a manual reset device, it must be physically reset after a trip, alerting the homeowner that an underlying airflow or venting problem needs attention.
Our OEM Goodman switch is factory-calibrated to the exact trip temperature your furnace's control board expects, ensuring proper limit sequencing and warranty compliance. Generic aftermarket switches may use approximate trip points that cause nuisance lockouts or, worse, fail to trip within spec. For a life-safety component, we recommend genuine OEM.
Easy (1/5). A basic repair for most DIYers — shut off power and gas, disconnect the two spade terminals, unscrew the mounting bracket, and swap. Takes about 10–15 minutes with a nut driver. Always identify and correct the condition that caused the original trip before returning the furnace to service.