Valve Stuck Open Question

Discussion in 'Irrigation / Sprinkler Forum' started by Duke76, Nov 11, 2007.

  1. Duke76

    Duke76 New Member

    Messages:
    34
    I have a Lawn Genie R706 anti siphon valve that will not shut off.

    I have opened it and inspected the diaphram and that looks good.
    I have flushed it out and there does not seem to be any sand or dirt inside.The solenoid makes a noise when activated. I've swapped the solenoid with the valve next to it in the manifold with no success.

    Can you suggest any other approaches before I change out the whole valve ? Do these valves generally fail in the open mode ?

    Thank you.

    Duke76
  2. Wet_Boots

    Wet_Boots Sprinkler Guy

    Messages:
    798
    Location:
    Metro NYC
    R706 is probably a model number for a manual valve. You can probably purchase a new 'operator' assembly to replace the one that treads into the existing valve body.
  3. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    Very small dings in seat or the diaphragm itself, or clogs in very tiny pilot passages can effect solenoid operated valves. You should not lose any sleep, or waste a lot of time trying to solve this problem. Just replace the entire valve, or as mentioned, the entire operating head may be replaceable without removing the valve body. Take the parts to the depot or a landscape supply house.
  4. Duke76

    Duke76 New Member

    Messages:
    34
    Thank you Jimbo and Wet Boots for your help.
  5. Wet_Boots

    Wet_Boots Sprinkler Guy

    Messages:
    798
    Location:
    Metro NYC
    You can google up a complete adapter - try Toro L2034. I'd include an image, but the VBulletin transloader doesn't ever seem to work.


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    Last edited by a moderator: Nov 25, 2013
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