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Low Sprinkler pressure...sometimes!

11 years ago

Front yard automatic sprinklers work fine. But, in the backyard I have 2 anti-siphon valves (electric). I now notice both of them have very poor pressure when controlled electrically from the control box. However, when I open the bleeder screw to manually turn on the sprinklers...the pressure is fine. What is going on?

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Comments (2)

PRO
MrHIrrigation
11 years ago
the first thing to check is if the two valves are fully open. second thing is the solinoids may have gone bad on one or both valves.
fireduck
Original Author
11 years ago
Yes, the valves are fully open. I read somewhere that it could be diaphrams that have gone bad. Seems funny they both went out. Perhaps one has been out a long time. Don't know...
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