Relay Valves; Industrial, commercial and catering applications where on/off or high/low control of gas is required in response to a thermostatic control; Used primarily in conjunction with thermoelectric flame supervision gas controls.
G800 Series Models available for on/off (G800HA & G800KA) or high/low control (G800HH & G800KH). High/low models incorporate a variable bypass screw which operates a needle valve to control the low flow rate. Anti-clockwise movement increases flow. A nylon locknut is used to lock the position.