Solenoid Valve, Solenoid Valve, Valve Ways and Positions 2-Way/2-Position, Normally Closed, Media - Valves Air, Inert Gases, Water, Pipe Size - Valves 1/2 in, Min. Operating Pressure Differential 5 psi, Max. Operating Pressure Differential Air/Inert Gas 150 psi, Max. Operating Pressure Differential Light Oil Not Rated, Max. Operating Pressure Differential Water 125 psi, Indoor, Outdoor, Voltage 120V AC, Coefficient of Volume 2.2, Body Material - Valves Brass, Coil Insulation Class F WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -