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The Goodman 0130F00035 Primary Limit Switch (purple) is a genuine OEM safety component for the ACVC960603BNBA furnace and compatible Goodman/Amana models. Mounted on the heat exchanger or burner area, this primary high-limit switch monitors temperature and shuts off the burners if the furnace overheats — protecting the heat exchanger and preventing fire hazards. The purple color code identifies its specific temperature trip rating for this model.
Limit switches are calibrated to a precise temperature setpoint. The OEM 0130F00035 carries the exact trip rating Goodman specified for this furnace — matched by the purple code. Substituting a generic switch with a different rating can cause nuisance trips or, worse, fail to protect the heat exchanger. Always match the OEM color/spec.
Easy to Moderate — Two mounting screws and spade connectors. Shut off power before service and confirm the color/part number matches. A straightforward repair for experienced DIYers.