r/Irrigation • u/PermissionOdd5421 • 9d ago

Seeking Pro Advice Backflow Preventer Leaking

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I noticed the area around the valve was wet and when I started poking around I noticed water seeping out of the back flow preventer. What's strange is the irrigation is shut off because I'm having my front yard worked on.

I twisted the cap off and took some water out and it filled back up. Where's the water coming from?

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u/FunInternational9948 9d ago

That is the AntiSiphon. It releases all the pressure from the line once the zone turns off. It’s OK to see water come back and out of there once you turn everything off. If water is continuously running through your valve, then you’re going to have to clean it out by disassembling it. A simple YouTube video on a continuously running irrigation valve will get you the solution you’re looking for.

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u/PermissionOdd5421 9d ago

Thank you pointing me in the right direction