Leaking bathtub drain stopper
Posted by John on November 17, 2002 at 01:19:04:
Water is slowly draining from the tub when the stopper is closed. The waste and overflow is of the general type pictured in:
although the overflow plate has Delta stamped on it.
I have cleaned the brass cylinder (bottom item of part 7 in picture), which seems in good shape, but water still leaks past it.

Is a slow leak typical of these types of stoppers? I must admit, I can't understand how it could work without leaking somewhat. The brass cylinder has no polymer seating surface on it (i.e. no rubber o-ring or gasket). What does it seat against inside the tee? Is there a good way to clean the seating surface inside the tee? Or is the leaking a sign of corrosion or damage, requiring replacement of the tee?

Thanks in advance!

FYI: The house is around 12 years old. The tub doesn't get used much (there is a separate shower). I just snaked out the drain line because it was running slow. The stopper was leaking before I snaked the line though.

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