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Thread: New fill valve leaks

  1. #1
    DIY Junior Member dehulton's Avatar
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    Default New fill valve leaks

    I just replaced a leaking fill valve with a new K830-15 mini pilot fill valve. The new fill valve has a slow leak that eventually reaches the top of the pipe and flows into the bowl. Any suggestions on what might be wrong? Thanks!

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    You may have some crud caught underneath the seal. Not familiar with that specific style, but you might remove the seal, clean things up, then momentarily open the supply line to flush it out (use something to keep it from spraying all over), then reassembly. When you disturb pipe, you often dislodge crud in the lines.

    Also, you might want to check your water pressure. If it is excessive (over 80psi), you should install a PRV and expansion tank. If you have one, it may have failed.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    Master Plumber Redwood's Avatar
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    Tear it out and replace it with a Fluidmaster 400A

    The K830-15 is junk no matter what name or number they attach to it!


  4. #4
    DIY Junior Member dehulton's Avatar
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    Default

    Thanks for the advice, I will give it a try

  5. #5
    DIY Junior Member dehulton's Avatar
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    Thanks for the advice. I suspected that was the case.

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