For use in 24 volt continuous standing pilot equipment. Replaces most Honeywell and competitive brand valves up to 130,000 BTUH; widely used by equipment manufacturers as O.E.M. valve. Functions as combination manual valve, dual seated automatic operators, and servo type regulator. Solenoid-operated first automatic valve opens on thermostat call for heat, closes when call is satisfied. Diaphragm-operated second automatic valve opens under control of pressure regulator, closes upon interruption of gas or power supply. Features straight-thru design and Lite-Rite (Off-Pilot-On) lighting sequence. Electrical rating: 24v AC. Swing radius: 3-5/8″