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The Goodman 0130F00036 Limit Switch (Pink) is a genuine OEM thermal limit control for the AMSS920804CNAA gas furnace and compatible Goodman/Amana models. The pink color code identifies this switch's specific temperature trip rating. As a normally-closed safety device, it opens the circuit when it detects an over-temperature condition — protecting the heat exchanger and blower from damage caused by restricted airflow or overheating.
Limit switches are color-coded because trip temperature must match the furnace design exactly. The OEM 0130F00036 pink switch guarantees the correct set point — installing a differently-rated generic switch risks nuisance shutdowns or unsafe operation. Always match the OEM part and color code.
Moderate. Disconnect the wire terminals, remove the mounting screws, and install the replacement in the same orientation. Suitable for confident DIYers. Shut off gas and power before servicing, and confirm the correct pink color code before ordering to ensure an exact match.