All zones turn on

Discussion in 'Irrigation / Sprinkler Forum' started by tbris, Jul 7, 2009.

  1. tbris

    tbris New Member

    Messages:
    5
    When i turn on an individual zone from the control box, all the zones turn on. There are 6 total. All zones turn on as well when I turn on the manual lever on the anti-siphon auto sprinkler valve. Any thoughts as to why this is now occurring?
  2. tbris

    tbris New Member

    Messages:
    5
    Another thought

    I'm also getting flow to all zones with the manual lever turned on with the power supply of the control box disconnected.
  3. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    Sounds like all the zone valves stuck open. Not a likely scenario. Give us some more details of the system, pics of valves, etc.
  4. upper

    upper DIY Senior Member

    Messages:
    154
    Location:
    Fresno, CA
    New system? Upper
  5. puncha

    puncha New Member

    Messages:
    1
    What system are you using?
  6. upper

    upper DIY Senior Member

    Messages:
    154
    Location:
    Fresno, CA
    What ever it is it is a very bad deal.Stop the check.......Upper
  7. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,607
    Location:
    Cave Creek, Arizona
    valves

    If it is a new system all the valves have their manual controls opened. Otherwise you have a lot of bad valves because a good valve, with the manual opener off, CANNOT operate with the power disconnected at the control box.
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