The Vulcan Hart 00-428305-00001 thermocouple detects burner flame conditions in compatible commercial range equipment and generates a small electrical signal through its temperature-responsive junction. With a 72-inch length and a specified output of 20–30mV, it is designed for applications requiring these particular operating characteristics. The generated millivoltage supports the c... https://partsfe.com/thermocouple-72-for-vulcan-part-00-428305-00001/1-00-428305-00001.html