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The 0130F00038 auxiliary limit switch is a genuine OEM high-temperature safety control for the Goodman/Amana AMEC960402BNAA gas furnace. Identified by its light-blue housing, this normally-closed thermal switch opens the control circuit if temperatures in its mounting area exceed the safe threshold, shutting the furnace down to prevent overheating and component damage.
The light-blue color code corresponds to a specific trip temperature calibrated by Goodman for this furnace. The genuine OEM 0130F00038 guarantees the correct open/close set points and terminal configuration. Substituting a generic switch with the wrong temperature rating can cause either nuisance shutdowns or a failure to protect the unit — always match the OEM part and color code.
Easy (1 of 5). Disconnect power, unplug the two spade terminals, remove the mounting screws, and install the replacement in the same orientation. Typically a 10–15 minute job. Confirm the color code matches before installing.