The Vulcan Hart 00-428305-00001 Thermocouple is designed to provide accurate and reliable flame sensing on commercial ranges to keep them safe and operating consistently. This 72-inch thermocouple produces 20-30 millivolts of electrical current when a pilot flame is present the gas valve to stay open and permitting your range to operate safely. It is designed to withstand high tempera... https://partsfe.com/thermocouple-72-for-vulcan-part-00-428305-00001