The Tri-Star Mfg 310210 Thermocouple 18" 20-30 mV 1970 Series is a vital pilot safety device engineered to monitor and regulate gas flow within commercial kitchen heating equipment. This 18-inch component works by detecting the heat generated from a standing pilot light, which causes its dual-metal junction to produce a low-voltage electrical current between 20 and 30 millivolts. This... https://partsfe.ca/thermocouple-for-tri-star-part-310210