ASCO General Purpose , Normally Closed, Solenoid Valve 2-Way/2-Position, Diaphragm, Pilot Operated 3/8in x 3/8in Female Threaded, 3/8in Orifice, Stainless Steel body 120VAC, 60 Hz input supply 5 to 150 PSI Air-Inert Gas, 1 to 125 PSI Water 180F Max Fluid Temp NEMA 1/2/3/3S/4/4X