The G.C. Valves solenoid valve model C9-212N4150-20 24/60 is used for general purpose applications. It features a valve that is normally closed until activated by an electrical current. The coil is compatible with 24 VAC currents. Both pipe connections are 1/2" NPT female. Brass body offers corrosion resistance and a sturdy construction for durability in wet environments such as car washes.