The Garland 4523505 Range SIT Thermocouple helps maintain reliable flame detection for compatible commercial cooking equipment. This 18-inch thermocouple is a temperature-sensing component that works with a gas control system to monitor the pilot flame. When heated by the flame, it generates a small electrical signal that allows the safety valve to remain open and supply gas. If the p... https://partsfe.ca/metric-thermocouple-18-for-garland-part-4523505