not enough pressure in all zones

Discussion in 'Irrigation / Sprinkler Forum' started by buikemakathy@yahoo.com, May 9, 2011.

  1. buikemakathy@yahoo.com

    buikemakathy@yahoo.com New Member

    Messages:
    1
    Location:
    Michigan
    Hi,
    We just turned on our system this spring. Everything thing starts up o.k but we have noticed a lack in water pressure compared to previous years. Any clue what this would be?
    buikemakathy@yahoo.com, May 9, 2011
    #1
  3. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,258
    Location:
    Cave Creek, Arizona
    Could be any of several things, but we would have to be there to make the necessary tests.
    hj, May 9, 2011
    #2
  4. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,302
    Location:
    Yakima WA
    Just a couple of shots in the dark. Could be a main valve is not opened completely. Could be a leak in the line coming to the manifold. Maybe a defective backflow preventer.
    Gary Swart, May 10, 2011
    #3
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