Solenoid Valve, Valve Ways 2-Way, Valve Starting Configuration Normally Closed, Valve Type High Flow, Nominal Pipe Size 1/2 in, Orifice Diameter 5/8 in, Body Material Brass, Coefficient of Volume (Cv) 3.6, Operating Pressure Differential Air/Inert Gas - Maximum 50 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 Watertight