For almost every lawn sprinkler system on Long Island, a compressed-air blowout is the right winterizing method. Manual drain and automatic drain valves only work on systems that were built with drains at every low point and enough slope to carry water to them, and...
Winterizing an irrigation system in Suffolk County comes down to a short list of steps done in the right order: shut off the supply, protect the backflow device, blow every zone dry with compressed air, drain what the air cannot reach, and set the controller...
For most homes and businesses across Suffolk and Nassau County, the safe window to winterize a sprinkler system runs from mid October through early November, before the first hard freeze reaches the ground. Waiting much longer than that risks trapped water freezing inside pipes, valves,...
