Orbit Watermaster Underground 57034 3/4-Inch Brass Automatic Converter Valve The automatic converter valve allows you to transform an existing manual valve into a fully automatic valve. The converter valve fits the threads in most makes of manual valves, including manual anti-siphon valves. Brass threads ensure reliable installation and high durability. The valve features a 24 VAC solenoid, manual actuation lever, bleed screw, and flow control. In cases where there is no existing sprinkler wire running to the valve, the Orbit battery-powered controller provides a simple way to power up to four valves in a single location. The automatic converter valve is compatible with all major brands of 24 VAC irrigation controllers. We recommend B-hyve controllers for optimum water conservation and PVC-Lock fittings for fast, glue-free installation. For outdoor irrigation use with cold water only. For converting a manual irrigation valve into an automatic irrigation valve Valve features 24 VAC solenoid, manual actuation lever, and flow control Brass threads with valve bodies available in both PVC and brass body versions Compatible with controllers from Orbit, Hydro-Rain, and other major brands Control with a B-hyve smart controller for optimum water conservation