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The Goodman 0130F00038 is a genuine OEM auxiliary (high) limit switch engineered as a direct-fit replacement for the ADSH800804BXAC furnace and other compatible Goodman/Amana gas furnaces. Identified by its light-blue housing, this normally-closed thermal safety switch opens the control circuit if the furnace exceeds its safe operating temperature, shutting down the burners to prevent overheating, cracked heat exchangers, and nuisance lockouts.
The OEM 0130F00038 is factory-calibrated to the exact trip and reset temperatures Goodman specifies for this furnace, guaranteeing correct safety response and preserving your equipment warranty. Aftermarket generics may cost less but often carry looser temperature tolerances, which can cause premature tripping or delayed cutoff. For a life-safety component, we recommend genuine OEM.
Easy (2/5). A two-wire swap secured by mounting screws; typically 15–20 minutes for a technician. Always disconnect power and gas before servicing. Replacement of a safety limit should be performed by a qualified HVAC professional.