Re: Bathroom sink overflow
Posted by e-plumber on February 24, 2004 at 13:40:27:
In response to Re: Bathroom sink overflow
: Thanks everyone.

: The basin sits on top of the counter and is sealed with plumber's putty. No water at all appears on top of the counter.

: The sink is only a couple of years old. I don't think rust is a problem.

: The water doesn't come out anywhere near the drain. The water comes out under the counter near the faucet.

: It is logical to me that the overflow should be directly connected to the drain, but I wonder if I have some sort of strange variation or something.

: It is is completely contained within the sink, so I have no way to tell. It just seems like there's a cavity between the inside and outside of the sink. The overflow hole drains into the cavity, and from to the drain. Is it possible that the hole between the sink cavity and the drain is partially plugged?

: Normally there is no leakage. We have problems when our son runs the water full blast. After a period of time, we get a lot of water.

: Does any of this make sense?

You need to empty the cabinet out and hook up a bright drop light and climb under and run the water to duplicate the leak. The basin may be defective (cracked/split). Even if the sink cavity and the drain is partially clogged, water should not leak at all unless the is a leak on the drain connection or pop-up assembly.
Good Luck. e-plumber

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