ASCO Low Power Solenoid Valve Stainless Steel Body 1/4in x 1/4in x 1/4in Port Connection, 1/16in Orifice size, 0.08 Cv Flow Factor 24 VDC 0 to 150 PSI ( Air-Inert Gas) 3-way/2-Position , Pilot Operated, Direct Acting, Universal Position Coil Class H 140F Temeprture Rating