These valves open automatically when the water pressure drops. Turn off the main water supply to the irrigation system. Open each zone. Activate each zone manually to relieve pressure and allow ...
The Family Handyman on MSN1mon
Winterize Your Irrigation System With This Handy $15 DeviceOnce charged, open the valve and blow out each zone, one at a time until mist comes from the sprinkler heads. Close the valve ...
These valves open automatically when the water pressure drops. Turn off the main water supply to the irrigation system. Open ...
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