How To Winterize Your Home’s Irrigation System

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Tips for Winterizing Your Irrigation System – As winter draws closer and the weather turns colder every day, there are some necessary “to dos” for winterizing your home irrigation system so it remains high functioning and damage free. Follow the tips below to keep your irrigation system healthy and safe.

When it comes to clearing out water, you typically have 3 main options to do so: Manual Method, Automatic Drain Method, and the Blowout Method. If you’re not a do-it-yourself kind of person, irrigation professionals are readily available to safeguard your home for the winter. Websites like or can help you find the right professional for the job.


Manual Method: If your irrigation system has manual valves, follow these steps.

  1. First, locate the manual valves and the end and low parts of the irrigation piping. Turn off the water supply and open the manual drain valves to drain the irrigation system.
  2. After draining the water, open the drain valve and let out all backflow water located between the irrigation water shut off valve and backflow device. If you have sprinklers, pull them up to drain the bottom of the sprinkler body.
  3. Close all the main valves once all water is drained.


Automatic Drain Method: If your irrigation system has automatic valves, follow these steps.

  1. To activate the automatic drain valves, turn off the water supply (usually located in your home’s basement.)
  2. Once water is drained completely, like in the manual method (above), open the drain valve and let out all backflow water between the irrigation water valve and backflow device. Drain any sprinklers you may have as well.


Blowout Method: This method involves the use of an air compressor and eye safety protection is essential when utilizing this method. If doing this at home, rental of CGM air compressor is necessary. In this process, the compressor cleans out access water in your irrigation system. When using the blowout method, it may be best to let a contractor do the work, as it can be extremely dangerous, if performed incorrectly. Step-by-step directions can be found here.


It is essential that all water be removed from your irrigation pipes before freezing weather hits. You can do it on your own, or call in a professional. Whatever you choose, you may want to ensure you protect your home in these winter months to keep your home healthy and happy for years to come.




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