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Frozen Sprinklers Can Be Saved!

If you still need sprinkler system winterizing we can preform that service until the frost sets in typically in Decemeber, even if your pipes are frozen.   Several factors determine the cost but we have years of experence in winterizing late season and frozen systems. 

I've included some info on slowing down the damages caused by not having the water removed from your sprinkler system.

Nothing replaces a professional irrigation system winterizing.

1. Turn on your system (Manual start watering zone 1)  Water should be coming out of your sprinkler heads - if not it may be frozen.  You can wait upto 20 minutes and see if it unthaws or try during a warmer time of day, when temp is above 32 degrees.  Do Not Shut off The Sprinkler Control Timer, let it run through all zones.

2. Shut off the inside water supply to your system.

3. Open the faucet attached to your back flow preventer or remove the plug or cap (water should flow out)

4. Turn the valves 45 degrees.

5. Turn the test valves 45 degrees with a straight slot screwdriver, some you have to remove plastic black or yellow caps. Some you have to twist counter clockwise to open.

If you can't open them, try to remove them with a wrench. If removed keep them handy for me when I come to blow out the system.

This will help protect the above ground equipment and pipes, but is not a complete winterizing of your system.

The in ground portion will freeze as the frost sets in and damage will happen to your lines, heads and zone valves will happen.

Here is a couple of links to videos to help and demonstrate systems that may be close to yours.  No two systems are the same.

So use your own judgement as you try to drain the water from your system.

Click links below for some help with your system.

Back flow preventer protecting

This one has a valve attached to it

text Chris (612)270-2957 

This is a guide from hunter irrigation systems.

If your backflow device (the most common backflow installed is called a Pressure Vacuum Breaker) has ball valves, open and close the isolation valves on the backflow device numerous times to ensure that any trapped water has escaped from the upper areas. Leave the isolation valves open at a 45° angle (approximately 1/2 open) and open the test cocks.


Pressure Vacuum Breaker

  1. PVB Test Cocks
  2. Isolation Ball Valve Inlet
  3. Isolation Ball Valve Outlet