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Rain bird anti siphon leaks water after valve turned off

Lsudad

Starting Member

Posts: 1

1

Sunday, April 1st 2012, 10:25pm

Rain bird anti siphon leaks water after valve turned off

I'm at a loss. I have four anti siphon valves and three of the four work. The fourth I have replaced every part including replacing the entire valve unit. After turning off the valve water gushes out from the cap. It slows but continually leaks. When I take the cap off and siphon some water out, the water levels continues to rise. As stated I have replaced the diaphragm, the solenoid and the washer and cap. What else could it be? Thanks.

Mitchgo

Supreme Member

Posts: 502

Location: Seattle

2

Monday, April 2nd 2012, 12:13am

replace the whole valve.

Take the valve out and flush the line for 5-10 minutes

Wet_Boots

Supreme Member

Posts: 4,102

Location: Metro NYC

3

Monday, April 2nd 2012, 9:00am

I wonder if the zone runs uphill from the valve - wouldn't be the first time

GatorGuy

Moderator

Posts: 458

4

Monday, April 2nd 2012, 9:36am

Elevation on these things is critical.
Higher than all your spray heads?

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