How to Install In-Ground Sprinklers | This Old House How to Install In-Ground Sprinklers | This Old House

Sprinkler head hookup. Installing & wiring sprinkler valves

Turn on the water at the "shut-off" to supply your system, then operate the valves manually to flush the system.

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In this helpful video, we'll show you the steps to a perfect sprinkler system installation, including trenching, connecting the water source, installing shut-off valves, working with PVC pipe, building a valve manifold, connecting wires, installing sprinklers and flushing your system.

Wiring Sprinkler Control Valves Use low-voltage insulated cable approved for burial usually AWG or to connect the timer to the control valves. Use string to show where the pipe will run.

Two wires run from each control valve; connect one of them to the common wire that runs to each valve and the other to the desired station number.

How to Connect Your Sprinkler Head to the Underground Pipe

Once you understand the benefits of swing joints, you will never use a cut-off nipple again! Mark the sprinkler locations with flags or the stakes.

Dig your trench up to the walk on both sides.

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Now test each zone, using the timer to control the valves. From the valves, run Schedule 80 PVC pipe, starting with a threaded piece down into the trench for the pipe runs to the sprinkler head. If you want to raise or lower the sprinkler head in the future, you will have to dig up the sprinkler head and remove the old nipple and cut another one the new height.

Don't connect the sprinkler until everything is assembled so that you can flush the system with water to clear out any dirt that got in the pipes. It may take a while, and it will get muddy so turn off the water once in a while to let the water soak in.

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This versatile creation is available in two different versions - for new installations or for retrofits - and, with a simple twist of the wrist, either can install to virtually any position, making it the ideal option to add to sprays and rotors at any time.

To make trenching easier ask your local tool rental supplier about a "power trencher. Rain Bird does not recommend using poly pipe for the main line connecting pipe.

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Excellent for use under sprinkler heads anywhere high quality installation is required. Connect the back-flow preventer if required.

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From the valves, run pipe through trenches to the sprinkler heads. This method of attaching the sprinkler head to the pipe results in a similar attachment as described above with Hunter Pre-Made Swing Joints, however, you need to manually put the swing joints together using the swing pipe and fittings.

You can buy a system with a set number of circuits or put together any number of circuits.

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They must be positioned at least 8 inches above the highest sprinkler head. Using swing joints or EZ Pipe makes positioning sprinklers easier. Open each valve to flush the pipe with water, Sprinkler head hookup close. Rain Bird In-line sprinkler valve can be installed in an underground box.

Manifolds are made by sprinkler manufacturers and are easy to assemble. Dig trenches following the string. Moreover, it allows you to come back and quickly and easily raise or lower the head if the ground settles, you decide to add more mulch, or if a car or mower runs over it and moves it out of position.

Now turn on the water and work your way through. Poly is assembled by sliding a clamp over the pipe, insert the fitting all the way then bring the clamp into position and tighten.

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This Cut-Off Nipple Dating arabic man sometimes referred to as a riser.

You will likely have one or two circuits turn on at a time. Assemble your valve manifold. Hook up your water supply. Orbit Sprinkler valve manifold combines several valves in a single unit.

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The easiest way to organize this is in a manifold system. One end of the swing joint screws into the bottom of the sprinkler head and the other end screws into the pipe fitting underground.