Leak From Solenoid

Discussion in 'Irrigation / Sprinkler Forum' started by u2bela, Jun 22, 2010.

  1. u2bela

    u2bela New Member

    Hi All,
    I am a new homeowner having to deal with a sprinkler system for the first time. I have done some research but can't seem to find an answer to my problem. I have a slow leak coming out from where the solenoid is screwed in to one of my valves. I thought there might be a crack in the old solenoid so I bought a replacement, but the leak is still there. At this point I am at a loss as to what could be causing it. Any help would be greatly appreciated.

  2. Fireguy97

    Fireguy97 Irrigation Contractor

    You could have a small crack in the valve housing, or you could have debris in the threads of the solinoid. Are you sure it's the solimoid that is leaking?

  3. Even Flow

    Even Flow New Member

    Crown Point, IN.
    Could possibly be the o-ring as well- I've seen them go bad from time to time.
  4. hj

    hj Moderator & Master Plumber Staff Member

    Cave Creek, Arizona
    There should be an "O" ring under the solenoid, but often when the solenoid is removed it gets lost. If it is there, then there is no reason for the solenoid to leak unless the valve body is cracked.
  5. Fireguy97

    Fireguy97 Irrigation Contractor

    Or you could also need just a touch of silacone grease on the o-ring. Make sure that the solinoid threads are clean and grit free also. The silacone grease tends to attract dist and grit when the solinoid is being re-o-ringed.

    If the leak is coming from on top, where the wires are, the solinoid will have to be replaced.

  6. tomm

    tomm New Member

    why not post a picture or make/model of the valve. How can any one offer a defintive answer reading your non descriptive post.
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