A common question for those with yard, garden, or lawn irrigation systems.

There are several things that must be done to winterize a sprinkler system.

Since most systems don’t use auto-drain valves, we are just going to address those types of systems.

If your system does not use auto-drain valves, then an air compressor must be used to blow the water out of the zones. Turn off the main water supply to the sprinkler system, and hook up an air compressor to the system. Pressurize the tank to about 60 psi and then open on of the valves manually. Run that station for 2 to 3 minutes to allow all the water to be removed from the system. Shut that valve off and pressurize the tank again. Repeat for the next zone. After all zones are empty, loosen the solenoids to allow air to enter the top of the valve.

Your system may require additional steps depending on the particular installation.

We offer Winterization services individually or as part of our Annual Maintenance Program.

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