T.I.T.S. Sit 820-652 Gas Valve

Sit valve is used on most fireplaces produced after 1999. Uses Thermopile and Thermocouple (quick drop out) Multifunctional gas control with single operating knob (OFF, pilot, ON), thermo-electric flame supervision device, restart interlock, servo pressure regulator, manual adjustment of the outlet pressure, automatic shut-off valve and step opening device (optional). The automatic shut-off valve provides particularly silent operation and is supplied by thermopile, without requiring external electrical energy. Pilot outlet flow is adjustable.