tank to bowl leak in new Kohler Wellworth

Discussion in 'Toilet Forum discussions' started by rachelms79, Jul 22, 2005.

  1. rachelms79

    rachelms79 New Member

    Jul 22, 2005
    I had a plumber install a new Kohler Wellworth I bought at HD. From day 1, it leaks tank to bowl, about 3-4 gallons a day (I shut off the water inlet and 10 hours later the tank was almost empty). Everything is dry - the 3 nuts on the tank, the water inlet, the floor - but the tank doesn't stay full. Any ideas? I called Kohler and they said to tighten the nuts, but since there's no leak at the nuts, would tightening them help? I don't want to crack the tank by overtightening and I'm not handy enough to remove the tank and re-install it. BTW, the plumber assembled the toilet tank to bowl on the carpet outside the bathroom, and then set the toilet on the flange - the Kohler instructions say to bolt down the bowl 1st and then attach the tank. Does this reverse order make a big difference in the tank to bowl seal? thanks much.
  2. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    It may just be a bad flapper. That would be easy to fix.

    It could be the chain is too tight.
    It could need spraying with silicone to freshen the rubber.
    There is a small chance that the flush valve is leaking past the porcelain.
    but I would say that's it's 95% the flapper.

    If the bolts are dry, then they should be fine.
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