Fuel Gas Solenoid Valve with Test Port Fuel Gas Solenoid Valve with Test Port 2-Way/2-Position Normally Closed Media - Valves Fuel Gas Pipe Size - Valves 1 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 5 psi Max Operating Pressure Differential Water 5 psi Indoor Outdoor Voltage 120VAC Coefficient of Volume 21 Body Material - Valves Aluminum Coil Insulation Class F Seal Material - Valves NBR