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Thread: Toro Jar Top Solenoid Valve Installation

  1. #1
    DIY Junior Member k11's Avatar
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    Default Toro Jar Top Solenoid Valve Installation

    Hello: Great site with lots of good info!

    We moved into a house with a Toro irrigation system. The valves installed are Toro jar top inline valves (53708) (see attached picture). Is there a trick to installing the solenoid. It screws in fine if I take out the solenoid plunger, but with the plunger in, the threads just don't make contact.
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  2. #2
    irrigation tech. mike1059's Avatar
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    It takes a little downward pressure to engage the threads because of the spring. Just be persistent and careful not to cross-thread the solenoid and you will get it in time. I know it's frustrating at times but almost all solenoids have the same trouble.

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    DIY Senior Member BobL43's Avatar
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    K11,

    I use the same valves in part of my system, and I have found that the plunger must be the exact type as belongs in that valve or else the threads won't engage. something with the length of the plunger I guess. I am not an irrigation tech, but over the years I have installed and replaced lots of Genie, and Toro valves and have gained lots of frustration and experience with them. I can't argue with a pro, but I am just posting from my experience. Any brand new toro Jartop valve I ever opened and re-assembled without losing or mixing up parts always went back together for me with no problem at all.
    I am definitely not a pro plumber, but I am a pro crastinator

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    DIY Junior Member k11's Avatar
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    I tried it again this morning and I still can't seem to get the threads to meet. The plunger is the original one that came out of the solenoid and I checked a good valve to make sure I was installing the parts correctly. (Had no problem re-installing the good one.)

    Is it possible that the solenoid is U/S? The system was working fine last year, but when I tried turning it on in the spring some were leaking, and I noticed they looked like they were slightly pushed out and seem to be cross threaded.

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    DIY Senior Member BobL43's Avatar
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    Then I guess they were not properly drained/winterized and ice damaged them. Normally, though, the valve body would crack, but it depends on where there was remaining water.
    I am definitely not a pro plumber, but I am a pro crastinator

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    DIY Junior Member k11's Avatar
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    We did blow out the system, but I think that the compressor we had may have been under powered for the job. I will try getting new solenoids and see how that goes. Thanks for the help!

  7. #7
    irrigation tech. mike1059's Avatar
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    I just had to replace a solenoid in an older model toro jar-top valve today and found that the right one is the toro 89-0114. Although the toro catalog says a universal solenoid will work the book is wrong. I think this could be why your having problems getting the new solenoid to seat.

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    DIY Junior Member k11's Avatar
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    The weird thing is that it is not a new solenoid. It's the same one that was in the valve last year when the system was working. I checked out the toro 89-0114, it looks a bit different than the one I have. Here are some pics.
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  9. #9
    irrigation tech. mike1059's Avatar
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    Did you try instaling it with or without the white plunger cap. My experiance with the universal solenoids is to instal them without this cap.

  10. #10
    DIY Junior Member k11's Avatar
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    I will try installing it without the cap tomorrow. Right now it's dark and I will get eaten by mosquitoes. What is the cap suppose to do? They seem to break apart very easily.

  11. #11
    irrigation tech. mike1059's Avatar
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    I belive it's just to hold the plunger in place during storage and transport before instalation. That's why I like rain birds encapsilated solenoid, no loose parts.

  12. #12
    DIY Junior Member k11's Avatar
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    Just thought I would give a little update on my problem.
    I finally got new solenoids and they installed easily. The old ones must have been damaged from freezing over the winter. (Will have to get a better compressor and do it right next time.) I had some valves that were stuck in the open position. From what I read, the Toro jar top valves are very sensitive to debris, so I took a bucket of water out with me, took them apart, and washed them. I had to wash one a couple times, but I did end up getting them to work properly.
    Last edited by k11; 07-27-2011 at 11:29 AM.

  13. #13
    briankeating
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    You will have to consider getting new solenoid valves or you can also try the Pneumatic Solenoid Valves. Either of them should solve the issue.

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