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Thread: New shower valve, no hot water?

  1. #1
    DIY Junior Member Chris112's Avatar
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    Default New shower valve, no hot water?

    Hello everyone,

    I had a new tub installed and new Kohler shower valve by a licensed plumber. I tiled the tub surround, floor, etc.. myself. Now when I go to take a shower, I only have about 5 seconds of hot water, even turned up the full way. I totally removed the red safety check from the valve, made sure the hot/cold shut offs on the valve are fully open, and its still not working correctly. I have hot water in the rest of my house with no problem and the previous valve in the shower worked great. I just replaced the valve now since I had the wall open (best practice). I obviously plan to call the plumber back, but is there something I can do that might be missing? I know he didn't bleed the system after the install, but are new valves self bleeding? If he didn't bleed it would it affect just the shower or the entire water system?

    Any direction would be great! I have not looked at the cartridge yet in the valve, but since its new I assumed it should be ok.

    Thanks,

    Chris
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    Last edited by Terry; 03-19-2011 at 05:01 PM.

  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    Sometimes there is a temperature limiter on the handle.
    I would pull the directions and check for that first. It may not be allowing you to turn the handle to full hot.
    Last edited by Terry; 03-19-2011 at 05:10 PM.

  3. #3
    DIYer, not in the trades LLigetfa's Avatar
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    Sounds like maybe the pipes weren't flushed out before the cartridge was installed and now crud has bunged up the spool valve. You might try removing it and cleaning it. Do you know if uses pressure balancing or temperature sensing anti-scald?

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