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Thread: leak due to overflow hole in drain assembly

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  1. #1

    Default leak due to overflow hole in drain assembly

    Just had a sink installed by a plumber. There was a very small leak coming from very top of drain assembly. The plumber claims that the overflow holes in the drain assmebly are too tall for this particular sink. And the fact the holes come down lower than the ceramic, that the water is leaking out the overflow hole. Though they are covered by the thick rubber gasket that the bottom nut on the ssembly pushes up into bottom of sink. Is this a common problem? Are there known workarounds? Do they make drain assemblies with over flow holes that aren't as tall? How do you know which are which as most specs don;t seem to specify this dimension. My plumber said the only likely solution was to use a drain assembly with no overflow. I don't like this option as my sinks overflow hole would then not lead into the drain.

    Thanks,
    Mark

  2. #2
    Plumber krow's Avatar
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    Feb 2008
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    Ontario, Canada
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    Default

    That is not a common problem. In fact, I've never heard of such a thing. It is possible that you have a bad drain assembly. Either way, you should not have any leaks

  3. #3

    Default

    Any one else heard of such a thing? Or assuming this is bullshit, what might the problem be; assuming the drain assembly isn't faulty? I noticed they just cranked up the nut into the gasket which pushes up against bottom of sink. Is it recommeded to put any putty, teflon tape, or anything to ensure the best possible seal, or is just the nut sandwiching the rubber gasket up into the bottom of ceramic sink enough?

    BTW- this is a drain assembly that came with a Kohler Fairfax faucet. The sink iteself is a "Paris" vessel sink from ******.com.

    Thanks again,
    Mark
    Last edited by NYCremodel; 01-23-2009 at 06:10 PM.

  4. #4
    Master plumber Jay Mpls's Avatar
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    Sep 2008
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    Minneapolis
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    Pipe dope on the lower side of the sink helps,where it meets the washer.

  5. #5
    DIY Junior Member 41Fever's Avatar
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    Feb 2007
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    North Dakota
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    23

    Default Customer supplied fixtures

    Does your vessel sink have an overflow built into the sink? Many do not and require a different type of drain which, had you done your homework, you could have supplied the plumber with the correct stuff when you ordered your equipment online and saved some coin. Now the bigger question: Did you save enough to replace the vanity after incorrect drain assembly leaks and ruins it? Or does the vessel sink just not get used and look "Pretty". I'd be willing to bet the faucet also has some color or finish that will make it difficult to find a drain assembly to match that on the faucet.

  6. #6

    Default

    The sink is a plain old ceramic white vessel, the paris model from renovator supply, inc. (******) And it does have overflow holes. Faucet as is a kohler Fairfax in plain old polished chrome. Guess you lose the bet, 41fever... Any more constructive info or advice on if what my plumber said sounds legit or workarounds to fix the problem are greatly appreciated.
    Last edited by NYCremodel; 01-24-2009 at 11:05 AM.

  7. #7

    Default Did you fix it?

    Mark--

    Did you ever fix this? I'm having the SAME exact problem. Tried everything, still leaking.

    Sara

    Quote Originally Posted by NYCremodel View Post
    Just had a sink installed by a plumber. There was a very small leak coming from very top of drain assembly. The plumber claims that the overflow holes in the drain assmebly are too tall for this particular sink. And the fact the holes come down lower than the ceramic, that the water is leaking out the overflow hole. Though they are covered by the thick rubber gasket that the bottom nut on the ssembly pushes up into bottom of sink. Is this a common problem? Are there known workarounds? Do they make drain assemblies with over flow holes that aren't as tall? How do you know which are which as most specs don;t seem to specify this dimension. My plumber said the only likely solution was to use a drain assembly with no overflow. I don't like this option as my sinks overflow hole would then not lead into the drain.

    Thanks,
    Mark

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