The Wells 2T30133 Oven Thermostat controls cooking temperature by sensing heat through its capillary bulb and switching the connected heating circuit as the selected temperature is reached. Its SJ-type construction uses a 3/8" x 5-3/4" sensing bulb connected to a 20-inch capillary, transferring temperature changes to the thermostat control. Four terminals provide electrical connection... https://partsfe.com/2t30133-wells-thermostat-sj-38-x-5-34-20