This Southbend 1173542 is an oven thermostat designed for use in Southbend ovens.It regulates oven temperature by controlling the heating elements based on the desired temperature setting. The thermostat includes a 3/16" x 11-5/8" bulb that senses the oven temperature and sends a signal to the thermostat to adjust the heating elements accordingly. https://partsfe.com/thermostat-w-dialkxp-316-x-11-58-60-for-southbend-part-1173542