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The Goodman 0130F00038 Auxiliary Limit Switch (Light Blue) is a genuine OEM safety control for the ACVC950915DXAD high-efficiency gas furnace and compatible Goodman/Amana models. This thermal limit switch monitors temperature in the blower or burner compartment and shuts off the furnace if it overheats, protecting the heat exchanger and surrounding components from heat damage.
This genuine OEM limit switch is factory-calibrated to the exact trip temperature indicated by its light-blue color code — critical for a safety device. Generic switches with the wrong temperature rating can trip early (nuisance shutdowns) or, worse, fail to trip when needed. Always match the OEM part and color code on safety controls.
Easy (2/5) — Two-screw replacement with spade connectors. Shut off power and gas, note the wire positions, remove the mounting screws, transfer the wiring to the new switch, and reinstall. Confirm correct seating against the panel and test furnace operation. Basic hand tools required.