The VR8204 AND VR4204 Intermittent Pilot Dual Automatic Valve Combination Gas Controls are used in gas-fired intermittent pilot appliances. The controls include a safety shutoff a manual valve two automatic operators a pressure regulator a pilot adjustment screw and a conduit cover (VR4204 only). FEATURES Controls include manual valve two automatic operators servo pressure regulator and pilot adjustment Use with S86F H S8600F H and S8610 Control Modules Compact size Provide two automatic valves Solenoid operated first automatic valve opens on thermostat call for heat closes when call for heat ends Diaphragm operated second automatic valve opens under control of regulator closes if gas or power supply is interrupted Meet codes requiring dual safety shutoff All adjustments and wiring connections are accessible from top of control ON-OFF lighting sequence