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My bath tub is over the kitchen on the second floor. It appears the bath tub overflow drain leaks a sizeable amount. At times the kids aren't paying attention and the water goes in. The water leaks into the kithcen cabinet below.

How best to access the overflow drain to fix this leak? Can I wait for the kitchen remodel and try to access it from below?

Thanks in advance for any advice suggestions!

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Do you have access to the rear of the tub from the other side of the wall? –  The Evil Greebo Nov 25 '12 at 13:28
    
There is no access as the tub. One side (foot of tub) is against an outside wall. The other side, is the bedroom. The only access would be removing the tub or trying to get it from underneath. At this point, I'm trying to avoid those options. –  Billy Dec 8 '12 at 3:41
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If the leak is occuring where the overflow attaches to the tub you may be able to seal it. Remove the screws that hold the overflow cover in place. Depending on the style it may also contain the tub drain lever. With the cover removed you may be able to see the contact point between the tub and the seal. Try to fill the entire sealing surface with "Plumbers Putty". Replace the cover as it will pull the overflow pipe and the tub together. If that doesn't work try this product http://www.theplumbinginfo.com/remove-replace-repair-bath-tub-overflow/. I haven't tried it but it looks like it beats tearing walls apart. As an alternative open up the wall behind the tub and after the repair leave an access panel so ot will be easier next time.

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