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Thread: Kohler Flapper replacement

  1. #1
    DIY Member atfdmike's Avatar
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    Jul 2006
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    Michigan
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    Default Kohler Flapper replacement

    Hi, I have a Kohler San Raphael one piece toilet that has always seemed to need the jiggle technique to get a good seal. I replaced the flapper once with the original Kohler part, but I wondered if maybe one of the pros would recommend a different brand or replacement for the Kohler part that would work better. The original Kohler number on the toilet is K 3397 and the number on the flapper I used is 42388. I have a well and it drives me crazy when I hear the pump kick on....I know the toilet is leaking! Thanks for any suggestions!

  2. #2
    Moderator & Master Plumber hj's Avatar
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    Aug 2004
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    Cave Creek, Arizona
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    25,653

    Default flapper

    I NEVER use the OEM Kohler part. I always use Korky's replacement.

  3. #3
    DIY Member atfdmike's Avatar
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    Jul 2006
    Location
    Michigan
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    Default flapper

    Thanks for taking the time to reply! I believe that is just what I am going to do. I am a bit disappointed with the toilets behavior, and the old saying is that to repeat mistakes and expect a different outcome is a definition of insanity, so I will go with the Korky's and see how it goes. Thanks again.

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