The Orbit 91207 3 Valve Preassembled Sprinkler Manifold with Poly Pipe Adapters provides the most complete, reliable, and easy method to install multi-valve systems. This system works with both 3/4 and 1 in. systems. Included is our jar-top valves for easy valve maintenance. The Easy Wire system simplifies the wiring connection when attaching the valve to the timer. The preassembled manifold is durable, built with high impact UV resistant construction.