Faulty "handoff" between sprinkler zones

Discussion in 'Irrigation / Sprinkler Forum' started by Eric Rodriguez, Nov 7, 2014.

  1. Eric Rodriguez

    Eric Rodriguez New Member

    Joined:
    Nov 7, 2014
    Location:
    Palm Springs, CA
    My sprinkler system has multiple zones. There is a problem in the "handoff" between 2 and 3. When the cycles are run normally, 1 and 2 work great but the pressure to 3 is so low that the sprinkler heads do not pop all the way up. However, if I run 3 manually, the pressure is there and they pop all the way up. How do I fix what appears to be a transition problem between 2 and 3?
     
  2. valveman

    valveman Cary Austin Staff Member

    Joined:
    Mar 15, 2006
    Occupation:
    Pump Controls Technician
    Location:
    Lubbock, Texas
    Either your valve to 3 is sticking closed or the valves to 1 or 2 is sticking open.
     
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    Your electric solenoid is either not opening far enough, or the diaphragm has a tear in it so it doesn't open completely. Manual operation can override either of these problems.
     

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