How to drain a sprinkler system for winter. As pressure inside the system falls it. Ryan will show you how to drain your sprinkler system so that you do not have to worry if there are a few nights that drop below freezing and so that you ca. Step by step guide how to drain a sprinkler system for the winter automatic irrigation systems.
This removes any water trapped in this section of. Shut off the mainline valve by closing it. Open all the drain valves for each zone and leave them open until all the remaining water drains.
Lift each sprinkler head to drain out. Turn off the water supply by closing the main valve in the sprinkler valve box. Open the drain cap between the main valve and the backflow device.