The Vulcan Hart 00-428305-00001 Range Thermocouple helps monitor pilot flame conditions and support reliable gas burner safety in compatible commercial ranges. Measuring 72 inches and producing approximately 20–30 millivolts, this replacement thermocouple generates a small electrical signal when its sensing tip is heated by the pilot flame. This signal is used by the connected safety ... https://partsfe.ca/thermocouple-72-for-vulcan-part-00-428305-00001