Solenoid Valve Valve Ways 2-Way Valve Starting Configuration Normally Closed Valve Type Compact Nominal Pipe Size 1/4 in Orifice Diameter 5/16 in Body Material Aluminum Coefficient of Volume (Cv) 1.1 Operating Pressure Differential Air/Inert Gas - Maximum 15 psi Operating Pressure Differential Fuel Gas - Maximum Not Applicable Seal Material NBR Voltage 110V AC 120V AC Operating Pressure Differential Fuel Oil - Maximum Not Applicable Coil Enclosure Without Junction Box Watertight