Vanity drain 'gurgles'

Old 06-07-06, 01:02 PM
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Vanity drain 'gurgles'

The vanity drain in the master bathroom seem to drain without any problem. But as soon as all of the water has run out the drai gurgles three or four times. This just started abourt a week ago.
This bathroom shares a common plumbing wall with a second bath on the other side of the wall. The vanity in that room appears to enter the wall at the same height etc. as the other drain.
This drain works well with no gurgle.
The building is a condo ,about 20yrs old with a unit above.
Old 06-07-06, 02:22 PM
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score, Welcome to the DIY Forums.
Any time I hear the word Gurgle in regards to a drainline, I think VENT. Either clogged or non-existant. When a line is not vented properly, when water is run, a vacuum is pulled. The vent prevents this. If you can check it, you will probably find that your trap is being sucked out by the waterflow when draining. This allows sewer gas to enter your home since the trap uses the water seal to prevent the gas from coming through the trap. Good luck.

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