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The Goodman/Amana 0130F00038 auxiliary limit switch is a secondary over-temperature safety control, identified by its light blue cap denoting its specific temperature rating. It provides backup protection to the primary limit and guards areas such as the blower compartment against excessive heat. This genuine OEM switch is factory-calibrated for the AMEC960603BNBA and matching Goodman/Amana furnaces, ensuring it opens at the correct temperature to shut down the system safely.
The color-coded OEM 0130F00038 is set to the exact trip point Goodman assigns to this location. Because auxiliary limits differ by temperature rating, using a generic or wrong-color switch risks nuisance trips or inadequate protection. The genuine OEM part guarantees the right rating.
Rating: Easy. The switch typically mounts with two screws and connects with two spade terminals. Shut off power and gas, confirm the light blue rating matches the original, note wire placement, and reinstall. Most homeowners can complete this in about 15 minutes.