Combination gas control for use with hot surface/direct spark systems in 120 Vac, gas-fired appliances, with capacities from 30 to 415 cfh. Controls include manual valve, two automatic operators and pressure regulator. Compact size. Provides 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. Meets codes requiring dual safety shut-off. Natural to LP and LP to Natural conversion kits available for standard and slow opening gas valves. Adjustable servo regulator effectively maintains almost constant gas output pressure under wide fluctuations in gas supply pressure. ON/OFF lighting sequence. All adjustments, wiring connections and pilot outlet are accessible from top of control.