Landscape · L-CF8V8

Automatic Control Valve in Valve Box and Pipe Trench

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An electric remote control valve connects to a Schedule 40 PVC main line and lateral line inside a valve box set flush with the finish grade. The assembly incorporates Schedule 80 PVC fittings, including Schedule 80 PVC standard 90-degree elbows, a Schedule 80 PVC union, close nipples, and a brass or bronze angle gate valve sized to match the control valve. Controller wires are bundled and routed below the mainline, with looped and zip-tied coiled extra wire stored inside the valve box. The entire valve box rests on a sump of three-eighths-inch washed rock, while the pipe trench is backfilled with clean, compacted, suitable native backfill over the buried PVC piping and insulated copper tracer wire.

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