If you're interested in blowing out your sprinkler system to prevent water from freezing inside the pipes during wintertime, here's what you need to do:
- Turn off the water supply to the sprinkler system.
- Drain the water from all of the irrigation lines and sprinkler heads.
- Next, disable the timer.
- Attach an air compressor to the irrigation system.
- Blow out the sprinklers.
- Disconnect the hoses from the sprinkler system.
- Pack any snow or ice on top of the sprinkler head with a shovel.
- Cover the sprinkler system with insulation.
- Turn on the water supply and inspect the system for any leaks.