Drain extension to p-trap loose


Old 08-20-09, 01:46 PM
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Drain extension to p-trap loose

I swapped out a single vanity for a double. Supply lines were split in the wall with a shared drain line. Getting the drain from the left side sink to the wall drain was a bit tricky due to center drawers in the vanity, but there was room behind the drawer to fit a slightly downward sloping extension. The problem that I am having is that the 1 1/4" drain extensions from the sink to the p-trap connections (1 1/2") do not tighten properly with the reducing washer. Under normal use, I do not see any leaks, but if I fill the sink so that it drains quickly, water leaks at the drain extension p-trap joint. It seems like the 1 1/4" drain extension is a bit undersized. All parts are new and purchased at Home Depot. Is using a bead of silicone at the joint the best option? Other ideas?
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Old 08-20-09, 02:18 PM
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Location: Baltimore County Maryland
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Drain Leak

Get yourself a new washer for the connection, if you have the beveled washer use a little pipe compound on it, if you have a flat rubber type washer don't use anything on it. Silicone is a bad idea, luck.

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