How do I drain my irrigation system?

Quote from the video:
Quote from Youtube video: Go around leave those at 45 degrees. We're going to take these two handles. Turn these two 45. And then we're going to find this drain at the very bottom of your pipe.

When should you drain an irrigation system?





32 degrees Fahrenheit

To avoid any possibility of damage, sprinkler lines need to be drained prior to temperatures dipping below 32 degrees Fahrenheit. Failing to winterize a sprinkler system before a hard freeze (air temperature is below 0 degrees Fahrenheit) can lead to expensive and time-consuming repair costs.

How do you winterize a drip irrigation system?

Winterizing an Irrigation System

  1. Shut off and drain the system. Shut off the main water supply and remove the faucet assembly (timer, filter, pressure regulator, etc.) …
  2. Blowing out the lines. Another common method is to blow out the lines using compressed air. …
  3. Seal off the open lines. …
  4. Spring start-up.


How do I winterize my sprinkler system without a blowout?





Not all systems need to have the water blown out of them. 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.

How much does it cost to winterize irrigation system?

Summary: Average Cost to Blow Out Your Irrigation System



Most homeowners will spend between $75 and $250 to have their sprinkler system winterized by a professional. The national average reported cost is $81.

Do I need to winterize irrigation system?

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.

Will my irrigation system freeze?

A sprinkler system will freeze if the temperature falls below 32° F (0° Celsius). Now, most indoor sprinkler systems are inside of buildings or homes where the temperature won’t ever drop into the danger zone.

When should I winterize my irrigation system?



October 1st thru December 15th (temperature permitting) is the optimal time window to winterize your irrigation system! While the weather plays quite a big role each year in determining when clients want to winterize their system, we strongly recommend winterizing your system during this time frame.

Can I winterize my own sprinkler system?

Luckily, you can avoid frozen and burst irrigation pipes. To keep your investment functional, make it an annual habit to winterize your irrigation system. Simply drain the system and shut it down when you’re done watering for the year.

What temperature will sprinkler pipes freeze?

32 degrees Fahrenheit



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

How do you winterize a sprinkler system with a backflow preventer?

How To: Winterize Your Sprinkler System

  1. STEP 1: Turn off the main water supply and if present, the backflow preventer. …
  2. STEP 2: Drain any water remaining in the irrigation system. …
  3. STEP 3: Open all drain valves. …
  4. STEP 4: Consider hiring a pro (optional, but recommended).

Should I remove the backflow preventer for winter?

(Optional) If your backflow preventer was installed with unions you can remove it and store it inside for the winter. After you take it off, make sure you drain the water from both sides, open the test cocks and close the valves ¼ turn. It may also be good to wrap it in a towel or old blanket.

How do I keep my backflow from freezing?

Quote from the video:
Quote from Youtube video: Take an old towel or blanket wrap your piping as tight as you. Can. And use more than one if you have to. After you've wrapped. It. Just place a small trash can or a trash bag.

How do you drain water from backflow preventer?



Quote from the video:
Quote from Youtube video: And all you're gonna do is you're gonna open this thing up just find the side that says lift here and pull it up. Now don't go sticking your hand in there right away take your screwdriver.

How do you winterize an above ground backflow preventer?

Turn shutoff #1 and shutoff #2 to a 45-degree angle, or the halfway position, to prevent water from being trapped inside. Loosen the bolts on the relief valve cover until all water inside drains. Insulate the system using foam pipe insulation, followed by heavy rubber tape.