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The Goodman 0130F00038 Auxiliary Limit Switch (Light Blue) is a genuine OEM thermal safety control for VCSS960804CNAA gas furnaces and related Goodman/Amana models. This normally-closed switch opens the control circuit if the furnace overheats due to restricted airflow, a failed blower, or a clogged filter, protecting the heat exchanger from thermal damage. The light-blue body color denotes its specific trip temperature and must be matched exactly.
The OEM 0130F00038 guarantees the correct trip and reset temperature calibrated to this furnace's heat exchanger. Generic switches with the wrong temperature rating can either nuisance-trip during normal operation or, worse, fail to open when they should. For a safety component, we strongly recommend the OEM part; generics are best avoided unless the temperature rating is verified identical.
Easy (1/5). Disconnect power, remove the two mounting screws, transfer the two wire connectors, and secure the replacement. Verify the color and rating match before installing. Job time is roughly 10–15 minutes.