The Grindmaster A536-004 Thermostat helps maintain consistent operating temperatures by regulating heat within compatible foodservice equipment. It works by monitoring temperature changes and controlling the heating circuit to maintain the selected temperature range. When the temperature rises or falls beyond the set point, the thermostat responds by switching the heating system on or... https://partsfe.ca/grindmaster-a536-004-thermostat/2-A536-004.html