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Thread: New Solenoid Always On

  1. #1
    DIY Junior Member Pat Mc's Avatar
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    Default New Solenoid Always On

    I just replaced a solenoid in a Rain Bird DVF 100 due to a short in the old one, screwed it all the way tight. When I turned on the master shut off valve 'on', that station turned on. The new solenoid seems to thread in fine, but does spurt a leak when screwed all the way down. I tried reinstalling the old solenoid, and with it installed I still have full manual control (no flow @ screwed down all the way). I even installed a second new solenoid, same problem, I have no manual control, and the controller box doesn't do anything. I also tried messing w/ the bleed screw, to no avail. One thought that I have is that maybe I have the wrong solenoid? I just bought this house and chose this part based solely on the pictures on Rain Birds website, there are no model numbers on the solenoids. My pipe looks to definitely be 1", and they are definitely DV series.

  2. #2
    irrigation tech. mike1059's Avatar
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    Default right solenoid

    The only solenoids that work are rain bird solenoids and not the so called universal ones. Iam attaching an image of the proper one for your valve. I hope this helps.
    Attached Images Attached Images  

  3. #3
    DIY Junior Member Pat Mc's Avatar
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    Default That's what I have,

    straight from Rain Bird.

  4. #4
    irrigation tech. mike1059's Avatar
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    Default

    My next suggestion woul be to make sure the bieed screw is closed, open the flow control knob about three-quarters and try to reseat the solenoid. Sometimes this can take a couple of tries to get it to seal. I just had an old buckner valve that leaked around the solenoid and it took four tries to reseat it.

  5. #5
    DIY Junior Member Pat Mc's Avatar
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    Cool Thanks Mike

    I found the problem, a crack in the 'bonnet' on top of the valve. Now my master shut off is leaking. It never ends......

  6. #6
    irrigation tech. mike1059's Avatar
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    Default

    I will guess that your main shut off is a gate valve and is leaking around the shaft. One trick I learned for this is to unscrew the retaining nut around the shaft the wrap some Teflon tape around the shaft and tighten the nut back down. This will usually seal the leak.

  7. #7
    DIY Junior Member Pat Mc's Avatar
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    Default

    I'll give that a shot tomorrow. Sure beats digging it up and replacing it.

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