Winter is approaching, which means cold, frost, freezing temperatures and snow. As you're getting the outside of your house ready for winter, don't forget to blow out your sprinkler system. The damage from the freezing pipes, sprinkler heads and valving is very expensive. Let's talk how you can blow out your sprinkler system.

Preparation

First, turn off the water supply in the house to the sprinkler valve. Next, go outside to the  How to Blow Out Your Sprinkler System for Winter with These Easy Instructions Sprinkler Valve Partssprinkler valve. Remove any caps that may be covering the drain ports. Open the drain ports to relieve the water pressure. Remove the drain valve that will allow you to connect the air supply to the valve to blow out the lines. Install your quick couple connection for your air hose. Close off the outside valve that supplies water to the sprinkler valve and drain the line if there is a drain port. Leave the discharge valve to the system open.

s pressure drops too low and the spray heads retract back down, you may have to let the pressure in the air compressor build back up to pressure switch setting and restart zone 1 again.

It may be necessary to shut off your sprinkler system several times and restart each time until you get an enough water dispersed from your zone 1. Repeat the same procedure for each zone. After you have finished the last zone, you may want to go back to zone 1 and do them all one more time just to make sure the lineare empty.