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 5 psi, Max. Operating Pressure Differential Water 5 psi, Indoor, Outdoor, Voltage 120VAC, Coefficient of Volume 5.1, Body Material - Valves Aluminum, Coil Insulation Class F, Seal Material - Valves NBR