5 zone system: one zone has low pressure/spray..

Discussion in 'Irrigation / Sprinkler Forum' started by rfsmith48, Jun 14, 2014.

  1. rfsmith48

    rfsmith48 Member

    Joined:
    Feb 23, 2008
    Location:
    Colorado
    Guys,

    Seems like I have a bad valve on this one zone.

    Hate to jump to conclusions: What else can cause this problem?

    TIA,

    Rog Smith
     
  2. dj2

    dj2 Member

    Joined:
    Aug 13, 2013
    Location:
    California
    Are you referring to sprinkler zones?

    Replace the valve, it may have dirt inside, or could be defective.
     
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  4. Lone Star Charles

    Lone Star Charles New Member

    Joined:
    Jan 17, 2013
    Location:
    Texas
    Broken line, but should be easy to spot as water boils out of ground.
    Kinked line - rare, but possible.
    Does valve have a manual shutoff that is not totally open?

    Just a few "What else" that comes to mind.
     
  5. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    Depending on the valve, you may be able to buy a repair kit. Your diaphragm may have a tear in it.
     
  6. rfsmith48

    rfsmith48 Member

    Joined:
    Feb 23, 2008
    Location:
    Colorado
    Folks,

    System pressure was marginally too low. Bumped static pressure from 40 to 46 psi. Seems to have fixed the problem.

    Thanks to all

    Rog
     
  7. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    That would be a symptom of an overly large zone.
     
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