The BeverageAir 502-070A Refrigerator Fan Thermostat helps regulate fan operation based on temperature conditions inside compatible commercial refrigeration equipment. This replacement thermostat features purple and yellow leads for electrical connection and is designed to control the refrigerator fan circuit as required. During operation, the thermostat responds to temperature change... https://partsfe.ca/thermostat-fan-for-beverage-air-part-502-070a