The USS-LSV00005 is a 3/4′ Female NPT 2 Way 2 Position Solenoid Valve is an AC 24V water flow control valve that is perfect for irrigation/sprinkler systems. This is a 2/2 valve which means it has 2 ports and 2 flow positions. Put simply, this valve either blocks or opens water flow from 1 inlet to 1 outlet. It is designed with industrial grade nylon components to prevent corrosion and is chemically inert so it doesnt bleed Lead or Iron to the environment. Water control valve are used for many everyday systems including automated faucets, building sprinkler systems, as well as irrigation systems. Their small size and big water current saves on power so they are perfect for any applications requiring minimal power consumption and long activation times. Being a U.S. Solid product, this water flow control valve offers reliability, low power consumption, and long life. They are have prewired connections that makes installation, maintenance, and control simple. We offer 1 year warranty. Buy with confidence.