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 3/4 in, Min. Operating Pressure Differential 0 psi, Max. Operating Pressure Differential Air/Inert Gas 2 psi, Max. Operating Pressure Differential Water 2 psi, Indoor, Outdoor, Voltage 120V AC, Coefficient of Volume 9.5, Body Material - Valves Aluminum, Coil Insulation Class F, Seal Material - Valves NBR