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The Goodman 0130F00038 Auxiliary Limit Switch (Light Blue) is the genuine OEM secondary safety control for the ACVC80803BXBC gas furnace. The auxiliary limit guards a specific zone — typically the blower or burner compartment — and shuts the furnace down on abnormal temperature, backing up the primary high limit. Goodman color-codes these controls by trip point, and the light-blue 0130F00038 is calibrated for this model's auxiliary location.
The OEM 0130F00038 provides the exact factory trip temperature indicated by its light-blue code, ensuring correct protection without nuisance shutdowns. Generic substitutes risk an incorrect set point on a safety-critical circuit. Match the OEM color and part number exactly.
Easy (1–2/5). Mounts with two screws and connects with push-on terminals. Always cut power before service and verify the part number/color matches the original.