The Lang 80504-03 1980 Series Thermocouple helps maintain safe and reliable gas burner operation by sensing pilot flame conditions. This 60-inch thermocouple is designed to generate a small electrical signal, typically within the 20–30 mV range, when heated by the pilot flame. The signal allows the gas safety control to remain open while the flame is present and helps shut off gas flo... https://partsfe.ca/thermocouple-80504-03