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The Goodman 0130F00038 is a genuine OEM auxiliary limit switch (light blue code) for the Amana AMES920603BNAA gas furnace and compatible Goodman/Amana models. Mounted as a secondary safety control, this normally-closed switch provides redundant over-temperature protection, shutting down the heating cycle if a specific zone of the furnace exceeds safe limits.
Auxiliary limits are matched to a precise trip point for the exact location they protect. This factory OEM Goodman part carries the correct setpoint and terminal layout, avoiding the guesswork and mis-rated setpoints common with universal replacements on a life-safety component.
Easy (2/5) — Spade-terminal wiring with a simple mounting bracket. Disconnect furnace power before replacing. When in doubt, use a licensed HVAC professional.