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New Member


Saturday, April 30th 2011, 10:39am

High pitch noise from sprinkler

When my sprinkler goes on in the morning I hear a high pitch noise and they actually don't go on.
I usually have it on auto and I tested the system by putting it on manual. When I did the noise came on and the sprinkler didn't work.
The sound is definitly coming from the unit which is above the ground where all the pipes meet and where the electrical connection is.
Any help is appreciated.

Thank you.



Posts: 2,153

Location: USA


Saturday, April 30th 2011, 12:14pm

Make sure the flow control is open. That's probably not the issue.

The diaphragm is probably bad. The valve needs repair or replaced.


New Member


Wednesday, May 4th 2011, 4:11pm


I replaced the valve and that did it.

Thanks for your help.

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