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The Goodman 0130F00038 is a genuine OEM auxiliary limit switch — identified by its light-blue color code — for the AMVC800803BNAA gas furnace and other compatible Goodman and Amana models. This secondary thermal safety control monitors a specific zone of the furnace (such as the blower compartment or a backup high-limit position) and opens the control circuit if temperatures exceed the safe threshold. The color code corresponds to a specific factory trip temperature, so matching it exactly is essential.
Limit switches on these furnaces are color-coded to their trip temperature, and the OEM Goodman light-blue 0130F00038 guarantees the correct cut-out point. Installing a generic switch or the wrong color code can either disable overheat protection or cause nuisance trips. For a safety component, matching the exact OEM part is strongly recommended.
Easy. With power off, remove the mounting screws, disconnect the two spade terminals, and install the light-blue replacement in the same location and orientation. No calibration needed. Confirm normal furnace operation and that the blower cycles correctly after installation.
Match the light-blue color code and your model number before ordering. For help, contact info@nationalhvacparts.com.