Poor Water Pressure

iamripMarch 19, 2013

I moved into a new house just under a year ago. I am having problems with the back sprinklers. The timer will turn them on but the water pressure isn't high enough to pop the sprinklers up. If I turn the water on right at the valve the pressure is fine. Can anyone tell me what the problem is?

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Is the controller starting more than one zone at a time. How many zones are in the back? Was the sprinkler system installed by the house contractor and Is still under warranty? Check the common wire connections at the valves and controller only if you are beyond your warranty. Are both the front and back zones run by the same controller? Aloha

    Bookmark   March 19, 2013 at 11:41PM
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Only one zone is starting at a time. I have four zones in the back yard. The house is an old house and the system is not under warranty. I will check the connections again. You think this could be the problem? I have a separate controller for the front yard.


    Bookmark   March 20, 2013 at 10:25AM
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It is a place to start. If the system is old, then I would redo the connections at the valves with waterproof screw caps and redo the connections at the terminal block of the controller. Then try to manually turn on each valve from the controller and see what happens. This advice is based upon that you have already tried manually turning on each valve by twisting the valve solenoids counterclockwise at the valves as you have stated. Post back what happens. Aloha

    Bookmark   March 20, 2013 at 11:58PM
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I redid all of the connections last summer but will try doing that again and seeing if it helps. I don't think I used waterproof screw caps though so that may be the problem. Thanks!

    Bookmark   March 21, 2013 at 12:00AM
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