The Beverage Air 502-069A Refrigerator Defrost Thermostat regulates defrost operation in compatible commercial refrigeration equipment. Designed to respond to temperature changes within the refrigeration system, this thermostat controls the connected defrost circuit according to its operating temperature range. Its temperature-responsive function supports proper frost removal while ma... https://partsfe.com/defrost-thermostat-for-beverage-air-part-502-069a