Outdoor Refreshers – How to Install a Sprinkler System

How to Install a Permanent Sprinkler System

Dragging garden hoses around the yard and setting up sprinklers is one summertime chore no needs to sweat over. Keep the lawn, flowers, trees and shrubs looking their best by installing a dedicated sprinkler system in your yard.

Do Your Homework

If you’re an intermediate do-it-yourselfer, installing a sprinkler system yourself will take several days, yet the extra planning and set-up on the front end of the project will be worth it as the growing season progresses. Before heading to the hardware store, ask yourself these questions:

  • Do you need a building permit to install a permanent sprinkler system?
  • Do I know where the underground utility lines are located in my yard? If not, what’s the number for your utility company?
  • Are any local watering restrictions or ordinances in effect?
  • Do your state/ local regulations require a licensed professional to help with part of the installation? Some require professional electricians and plumbers to handle the technical stuff.

Once your homework is done, focus on the details of your sprinkler project. First, set an overall budget that includes the use of professional service people to connect the timer box or tap into the main water line of the house. Also, if you are adding a system to an existing lawn, then factor in what it will cost to fix the damage that trenching may leave across the grass, such as additional sod, grass seed, fertilizer, etc.

Use a Sprinkler Template

Many sprinkler manufacturers can create a customized design for your landscape. They offer templates for you to map all of the features in your yard like shrubs and flower beds, areas of sun and shade, and hardscapes like retaining walls. From this, they will help you design a sprinkler plan with the correct number of zones and suggest the materials needed to install your system. This service may cost a nominal fee but it is worth it to have the details worked out so you don’t have to.

Turn on the Waterworks in 13 Steps (It’s Lucky, We Tell You!)

  1. Mark the location of all the trenches and sprinklers with stakes or plastic flags.
  2. With a gas powered trenching machine, dig trenches 4-12 inches deep according to your plan. The manufacturer will have taken into consideration the area you live and how deep the water lines need to be to keep them from freezing.
  3. Turn off water to house at meter.
  4. Cut into the main water line. This may be where you want to hire a professional plumber to make sure that the work is done properly and your water pressure is maintained. They can also install a backflow prevention device.
  5. Dig a trench from the main water line to the valve box location. At the end dig a hold about 18 inches deep and 2-3 feet long. Line hole with 2 inches of gravel and set the valve box into it. The box lid should be flush with the grass.
  6. Next glue together the manifold and attach the zone valves. Set manifold in box.
  7. Dig a shallow trench from valve box to the location you want for the timer. Lay the 24 volt underground wire in the trench and connect it to the wires leading from each valve.
  8. Place pipes in trenches leading from the valve box. Whenever a pipe branches off you will need to splice a tee fitting to the main pipe and attach a short length of flexible pipe.
  9. Using 90 degree PVC elbow joints join pipes in trenches to the valve box. Turn on the water and flush the pipes to eliminate dirt in line and avoid clogs. Turn water back off.
  10. Install pop up sprinkler heads to each of the flexible pipes.
  11. After mounting the timer box where you want it, attach the 24 volt wires from the zone valves to the timer. You may want to hire an electrician to run power to the timer box.
  12. Set timer and run tests on the system to see where sprinkler heads need to be adjusted. Check lines to make sure there are no leaks that can cost you money down the road.
  13. Fill in trenches with soil and repair the lawn with sod or seed.

Take Time for the Timer

You may want to save money doing the job yourself, but that’s no reason to skimp on the quality of the parts you use. Sprinkler heads take a beating from day to day use and getting mowed over. Putting money into quality sprinkler heads will cut down on you having to go back and forth to the hardware store. Also, research the features you want on your timer. You may want one that allows you to test the system without having to disrupt your programmed schedule. You may also want features like rain sensors or frost sensors so the system doesn’t run during those times.

Homework, folks, will help you avoid any headaches and get you the sprinklers you want. Now sit back and enjoy the fruits of your labor and forget all about those stupid garden hoses – except, of course, if you like watering your prize roses by hand. Then by all means, find a great water hose at Runyon!

Expert Advice

Our expert staff is always on hand to help you with your yard and garden projects. From landscaping tools to a trencher, if you have any questions about what to choose, pricing or how-tos, don’t hesitate to contact us. Stop by our store — we’re open seven days a week.

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Categories: DIY Projects, Gardening and Lawn Care, How-To's | Tags: , , , , , , , , , , , , , | 1 Comment

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One thought on “Outdoor Refreshers – How to Install a Sprinkler System

  1. Its really such a nice post. Installation process explained deeply and very well. Thanks for sharing, will be back again.

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