Erp Wr50X10108 Refrigerator Defrost ThermostatThe ERP WR50X10108 Refrigerator Defrost Thermostat opens the heater circuit when the evaporator temperature rises above a preset temperature, thereby preventing excessive heating of the freezer compartmentFeatures of Erp Wr50X10108 Refrigerator Defrost Thermostat Peace of mind assured - All ERP products..