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Thread: No cold water in shower

  1. #1
    DIY Junior Member Johnbuzz's Avatar
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    Default No cold water in shower

    Hi, I cannot get cold water through the shower mixer, I have tried to calibrate it but can only get it to luke warm, help needed please. I have attached a picture of the set up of this shower unit.
    Thanks
    John
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  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    I cannot get cold water through the shower mixer
    No cold?
    You may have a thermostatic valve there, and it may just be giving you a tight range.
    Sometimes you can remove the valve and reinstall the knob in a slightly different postion.
    Last edited by Terry; 05-17-2013 at 11:06 AM.

  3. #3
    Retired Defense Industry Engineer jadnashua's Avatar
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    That type of valve often has two internal check-valves, and one may have jammed closed. They often also have an inlet filter, and that may be clogged up. Or, the thermostatic cartridge could be shot. See if you can dig out the installation instructions which will have a parts diagram. If you can't find it, you may be able to get one from the manufacturer's website, or you may have to call their tech support. Some of those valves have a lifetime warranty, so if it needs parts, they may send them to you for free...doesn't hurt to call and check.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  4. #4
    DIY Junior Member Johnbuzz's Avatar
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    Thanks Jim, unfortunately there were no instructions and I had a British Gas plumber out and he couldn't identify who the manufactures were, to be honest I'm not sure he knew what he was doing, any ideas how I can find out who the manufacture is?
    Thanks
    John

  5. #5
    DIY Junior Member Johnbuzz's Avatar
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    Thank you Terry I am a complete novice and wouldn't know a valve from a half hitch,
    John

  6. #6
    Retired Defense Industry Engineer jadnashua's Avatar
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    SOmetimes, you can figure out who made it by looking at the cartridge which requires taking the trim off first and maybe removing it.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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