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The Goodman 0130F00038 auxiliary (light blue) limit switch is a genuine OEM safety control engineered for the AMVC961005CNBA gas furnace and other compatible Goodman and Amana furnace platforms. This normally-closed thermal limit opens the control circuit if the heat exchanger or cabinet temperature climbs beyond its rated trip point, protecting the blower housing and heat exchanger from overheating and preventing unsafe operation.
Each switch is color-coded (light blue) to match its factory trip temperature, so you can confirm the correct replacement at a glance. Installing the exact OEM part keeps the furnace's original UL-listed safety response intact.
The genuine OEM 0130F00038 is calibrated to the factory trip temperature and terminal layout, guaranteeing correct fit and safety response. Universal aftermarket limits may differ in trip point or bracket, risking nuisance lockouts or improper protection. For a code-compliant repair, OEM is the recommended choice.
A two-wire, single-screw or clip-mount replacement. Cut power at the disconnect, note the wiring, swap the switch, and restore power. Most homeowners and technicians complete this in under 15 minutes with a nut driver.