The G.C. Valves S311AH24N3BD7 valve is a normally closed 1/4" solenoid valve featuring a stainless steel body, nitrile seals, and copper shading ring for reliability and durability. Able to withstand temperatures up to 180 Degrees Fahrenheit and pressures up to 150 PSI, this valve is a dependable option for use in your car wash! Please note that this valve requires a 24 VAC/50hz electrical connection. Metallic conduit housing with 24" lead wires, 1/2" conduit hub.