VEVOR Gas Pilot Assembly, OE 4021-732, 25660 Fireplace Gas Pilot Assembly, Natural Gas Ignition Replacement with Pilot Tube, Thermocouple, Thermopile, Wires, Compatible with Heatilator ModelsProduct Features Ignition Assembly This gas pilot assembly has two 24 in parts (pilot tube, thermopile), a 22 in igniter wire and 16 in thermocouple. Equipped with a tube, heat resistant wiring, and a sturdy bracket,it ensures corrosion resistant, stable heating Flame Monitoring Equipped with a sensitive thermocouple & thermopile, this fireplace gas pilot assembly continuously monitors flame conditions. If the flame is abnormally extinguished, the