ASCO RedHat II Series 8210 General Purpose Solenoid Valve, 3/8" x 3/8", FPT x FPT, 24 VDC, 6.1 W, 1 to 40 PSI, Lead-Free, Stainless Steel, NEMA 1/2/3/3S/4/4X, NC, 2-Way/2-Position, Diaphragm, Pilot Operated, General Purpose Solenoid Valve for Air-Inert Gas/Water.