The Duke TA-21 Thermostat helps maintain consistent temperatures by controlling the heating cycle in compatible commercial foodservice equipment. This replacement thermostat is designed for single-phase applications and operates by sensing temperature changes within the equipment. As the temperature rises or falls around the selected setting, the thermostat responds by opening or clos... https://partsfe.ca/thermostatkp-14-x-12-36-for-duke-part-ta-21