Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type Low Pressure Nominal Pipe Size 3/4 in Orifice Diameter 3/4 in Body Material Aluminum Coefficient of Volume (Cv) 9.5 Operating Pressure Differential Air/Inert Gas - Maximum 0.5 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material NBR Voltage 24V AC Operating Pressure Differential Fuel Oil - Maximum Not Applicable Coil Enclosure General Purpose with Junction Box