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I just got my sprinkler system winterized and noticed this nut is leaking water. A little unsure what's going on since I got the system blown out and my water is turned
Schrader Valve to Male NPT Fittings | Adapters to Winterize Backflow Preventer and Pressure Vacuum Breaker (PVB) for Sprinkler Systems| Blowout Method Using Air Compressor (Lead-Free Brass) - Walmart.com
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Choosing a Backflow Preventer - YouTube
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The Basics of Backflow Prevention
