This protector heater, also known as a high limit thermostat, is a genuine OEM part. Its function is to keep the heating coils from getting too hot by providing and automatic shutoff, which is an important safety feature in your appliance. When replacing the high limit thermostat, make sure to first unplug the appliance, and wear work gloves when completing the repair.

This is a protector heater for your room air conditioner. This projector heater is round, it is made of metal and chrome colored, and it is just under two inches in diameter. This part helps protect the heater coils in your AC unit by turning it off if it detects temperatures higher than normal within the heater coil area. You will find this part behind the control panel.

THERMOSTAT

THERMOSTAT