I cannot find a service in northern NJ to winterize my sprinkler system for less than $100, so I want to try doing it myself, I just don't want to break anything. I've watched a few videos
HEAVY DUTY Air Compressor Fitting for Sprinkler Blowouts - Fits Standard Garden Hose, Remove water and winterize with ease and avoid freezing pipes
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People always forget to winterize there sprinkler system. But I love installing these : r/RogerWakefieldPosts
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How to Winterize Your Sprinkler System (2024)