Install a Rain Bird Automatic Sprinkler System: a Step-by-Step Guide (2024)

Step 1: Design

• Place a stake or flag at each designated sprinkler location as indicated on your layout.
• Use string to mark the path where the pipe will be installed.
• Contact Rain Bird's Homeowner Sprinkler Design Service for help planning your system.

Step 2: Dig Trenches

• Dig trenches along the marked string, indicating the sprinkler locations with flags or stakes. Typically, trenches are 6 to 12 inches deep. The main and lateral lines should be dug so that there are drainage points. When done, fold back the sod to cover over your trenches.
• Dig a trench up to the walkway on both sides. To make trenching easier, inquire about a “power trencher” from your local tool rental supplier. If using Poly Pipe, ask about a pipe pulling machine that can bur the pipe without damaging your lawn. Leave enough space between valves on the manifold for future accessibility if replacements are needed.

Step 3: Connect the Water Supply

Once your trenches are finished, it’s time to connect your water supply.

• Check with your Rain Bird dealer to determine which connections are suitable for your local codes and conditions, and whether your water meter is located outside or inside your home.
• Shut off water at the meter.
• Dig a hole around the meter to provide clearance, then cut into the main service line.
• Clean all ends and install a PVC or brass tee to serve the irrigation system.

Step 4: Assemble Your Valve Manifold

• Assemble your valve manifold and connect the back-flow preventer if required. Assemble your valve manifold and attach the required back-flow preventer if necessary.
• PVC pipe is available in various widths and wall thicknesses. Select a larger diameter (3/4”, 1”, or 1 ¼”) with a heavier gauge (schedule 40) for improved system performance and durability.
• In colder climates, poly pipe is commonly used due to its flexibility and resistance to freezing. However, Rain Bird recommends not using poly pipe for the main line.
• Use PVC cement to join fittings and pipes. Apply the cement to the inside of the fitting and the outside of the pipe, inserting the pipe fully and giving it a ¼ turn to distribute the cement. Hold it for a few seconds.
• Before using PVC cement, read the manufacturer's instructions and use the appropriate primer to prepare the pipe and fittings for gluing (see PVC cement instructions). If using poly pipe, slide a clamp over the pipe, insert the fitting completely, position the clamp and tighten to secure.

Step 5: Lay Pipe

Place pipe segments along the string, positioning the appropriate sprinklers and connectors at stake. Consider using swing joints of EZ Pipe for easy sprinkler positioning.

Step 6: Assemble Pipe Runs

Begin assembly with the main header lines leading from the valves, then move from one sprinkler location to the next.

Avoid connecting the sprinkler until the whole system is assembled. This allows you to flush the system with water to remove any dirt that may have entered the pipes during installation.

Step 7: Manually Flush the System

Turn on the water at the shut-off valve to begin flushing the system. Then operate the valves manually on each zone until you have flushed all the lines. This will clear out any loose dirt and debris from the pipes before you install the sprinkler heads.

Step 8: Attach Sprinklers

Finally, install your sprinklers.

Sprinkler Connection Options: Various types of sprinkler heads including rotors or spray heads and nozzles may be connected directly to the lateral pipe with tees and threaded risers. Or they can be positioned accurately at the desired height and alignment using Rain Bird Swing Pipe or flexible E-Z Pipe accessories.

Step 9: Wire the Valves to the Timer

Finally, it's time to connect your controller to automate your system. The advanced features of the new Rain Bird ARC8 Residential Controller enable complete control of your sprinkler system from your smartphone app.

• Use the instructions provided with your timer to wire the valves.
• Write down the wire colors (hot wires) that correspond to each zone and keep those notes with your timer manual.

IMPORTANT: DO NOT plug in the timer until you are finished with your wiring.

Step 10: Test Your Sprinkler System

• Use the timer to activate each valve and test each zone. Adjust the distance and direction of the sprinklers if necessary.
• When everything is working correctly, bury the pipe underground.