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Protect your Goodman/Amana AMVC80604BXBA furnace from overheating with this genuine OEM 0130F00038 auxiliary limit switch. Identified by its light-blue body, this normally-closed thermal safety switch opens the control circuit and shuts down the burners if it senses an abnormal temperature rise — typically caused by restricted airflow, a dirty filter, or a blower fault. When this switch trips or fails open, the furnace will not fire, making it a common no-heat culprit.
The OEM switch is factory-calibrated to the exact trip temperature your furnace's heat exchanger and cabinet require. The color coding matches Goodman's service documentation so you install the correct rating every time. Generic limit switches may trip at the wrong temperature — either nuisance-tripping in normal operation or, worse, failing to protect the heat exchanger. Match by part number and color for safety.
Easy (1/5). Two mounting screws and two push-on terminals. Cut power at the breaker first. Typical replacement time is 10–15 minutes.