How To Turn Off Irrigation System For Winter. Turn on the irrigation system manually to release pressure and let water drain out of the lines. Luckily the first step is an easy one:
(turn the handle 90 degrees, perpendicular to the pipe.) turn on a sprinkler head. Use foam pipe wrap taped with heavy rubber tape, or fiberglass pipe insulation wrap held in place with plastic or heavy rubber tape for waterproofing. A single freeze can still damage your sprinkler system.
If There’s A Drip Line, Use An Air Compressor To Blow The Water Out Of It.
How to shut down an irrigation system for winter. It might be near your water meter. You can turn off your backflow prevention assembly (bpa) and drain it, but if you want to irrigate during the winter it’s recommended you wrap and insulate it instead.
That Can Freeze And Damage Your Sprinkler Heads.
Shut off the system’s controller; Luckily the first step is an easy one: What water remains will not be under pressure.
Make Sure It Is Wrapped With Insulation, Packed In Pine Straw Or Somehow Sheltered From Subzero Temps.
If your irrigation system has a drip line, ensure that those lines are also drained. The choice to limit the complete winterization process to shutting off sprinkler irrigation system water valves only for winter maintenance is the choice of the home owner. Once the water has drained out of the mainline, open the boiler drain valve or the drain cap on the stop and waste valve (whichever is used in your area) and drain all the remaining water that is between the irrigation water shut off valve and the backflow device.
Shut Off The Air Compressor.
The system should be fine when you turn it on next year. When you have time, you can blow out your pipes and. Shut off the water supply to the irrigation system.
Open The Backflow Preventer Valves To Drain Out The Remaining Water And Pressure From The Unit.
This process is typically done with an air compressor. Adjust all ball valves and backflow test cocks to a 45 degree angle. After all the water has been forced out of the sprinkler lines you can turn off the air compressor and disconnect the air hose and the adaptor.