Fuel Gas Solenoid Valve Fuel Gas Solenoid Valve 2-Way/2-Position Normally Open Pipe Size - Valves 1/2 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 150 Max Operating Pressure Differential Light Oil 125 psi Max Operating Pressure Differential Water 150 Voltage 110/120VAC Coefficient of Volume 4 Coil Insulation Class F Max Operating Pressure Differential 125 psi Orifice Dia 5/8 In. 188 000 BtuH