The Royal Range 3113 Oven Thermostat RX 3/8" X 5" 36" CAP regulate oven temperature for consistent heating and reliable cooking performance. This replacement thermostat is designed for compatible commercial ovens and features a 3/8-inch by 5-inch sensing bulb with a 36-inch capillary tube. It works by detecting temperature changes inside the oven and adjusting the heating system to ma... https://partsfe.com/thermostatrx-38-x-5-36-for-royal-range-part-3113