Do irrigation systems need to be winterized?

So, if you have a lawn sprinkler, you need to winterize it before the temperatures plunge to the freezing mark. If you forget to winterize your sprinklers, you run the risk that water will freeze in the irrigation valves, pipes and sprinkler heads.

How do you winterize an irrigation system?

Steps for Winterizing Your Sprinkler System

  1. Step 1: Shut Off the Water. It will come as no surprise that the first step is turning off the water to the system with a main valve that’s usually found near your water meter. …
  2. Step 2: Turn Off the Timer. …
  3. Step 3: Drain the Water. …
  4. Step 4: Insulate Above-Ground Components.

Do you have to winterize underground sprinkler system?

But to keep that irrigation system running smooth a long time, you have to winterize it as the weather gets colder and colder in many parts of the country. … If it doesn’t happen, the water will freeze and cause damage to the underground pipes, pumps, sprinkler heads, valves and other parts of your system.

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Should I winterize my irrigation system?

When temperatures start to fall, it’s time to consider winterizing your sprinkler system. Your lines must be drained or blown out using an air compressor before the first hard freeze. … As a general rule, you should winterize your system at least a week before the first freeze is expected.

How do I protect my sprinklers when freezing?

The main shut off valve for your irrigation system needs to be protected against freezing. Make sure it is wrapped with insulation (foam insulation tape and a plastic bag) to protect it from harsh winter temperatures and prevent it from freezing.

Should I run my sprinklers before a freeze?

It’s important to keep them open until all water has been drained from pipes and sprinkler heads so that nothing can freeze. This may take several days, so start early! Finally, close all the drain valves so that snow or any winter rain doesn’t get inside.

Will underground sprinkler pipes freeze?

While you may be eager to get your lawn back to its pristine green state, it is important to remember that temperatures of 32 degrees Fahrenheit or lower put your sprinkler system at risk of freezing.

When should I winterize my sprinkler system?

A good rule of thumb is to have your sprinkler system winterized in early fall, but we recommend keeping an eye on the weather, and ensure that your watering system is drained and blown out at least one week prior to the seasons first freeze.

How do I winterize my sprinklers without an air compressor?

You can winterize a sprinkler system without an air compressor if all of your irrigation lines are buried at a slight downhill slope. Simply shut off the main water supply to your system and open the drain valves at the end of each zone.

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How much psi do I need to winterize my sprinkler system?

Air pressure must not exceed 50 pounds per square inch (psi) during the blow out procedure. A pressure-regulating valve must be used to avoid over pressurization of the system. Air volume should be high and air pressure low.

What happens if you don’t winterize your irrigation system?

If you forget to winterize your sprinklers, you run the risk that water will freeze in the irrigation valves, pipes and sprinkler heads. When water freezes, it expands causing the parts of your system to burst and destroying your sprinkler system.

At what temperature should you stop watering grass?

Most lawn experts recommend watering your grass until the soil or ground temperature reaches the 40-degree Fahrenheit mark.