Fuel Gas Solenoid Valve Fuel Gas Solenoid Valve 2-Way/2-Position Normally Closed Media - Valves Fuel Gas Pipe Size - Valves 1-1/4 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 25 psi Max Operating Pressure Differential Water 25 psi Indoor Outdoor Voltage 12VDC Coefficient of Volume 32 Body Material - Valves Aluminum Coil Insulation Class F Seal Material - Valves NBR Max Operating Pressure Differential 25 psi