It is gulping air to help the basin drain. All plumbing fixtures need an air vent to allow the water to drain; this usually extends all the way to the roof line (it's the pipe you see sticking out of the roof). The opening has to be above the level of the water draining--that's why it's way up there, so water doesn't drain back into the house, and sewer gases stay away from the living space. You may have a squirrel or other obstruction in one of these vent lines.
2007-05-11 01:26:23
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answer #1
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answered by Peter 5
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When water enters a vessel of any type, in this case a pipe, the air already in the pipe has to go out. When the air pressure gets high enough, it will force its way upward against the flow of water. The glug sound is the air pushing its way up through the downward flowing water. It's like pouring a milk bottle or wine bottle directly downward, only in the opposite direction.
2007-05-11 01:34:54
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answer #2
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answered by stavro99 2
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The piping for the basin is probably not vented. Drainage systems require air to work properly. Each fixture (sink, toilet etc) has a vent pipe that ties into the main vent. Your basin may be an addition installed after the house was built and the installer did not hook it up properly.
2007-05-11 01:30:47
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answer #3
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answered by sensible_man 7
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Normally hand basin's have the overflow as part of the basin and as a result the noise you hear is amplified.
2007-05-11 01:32:09
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answer #4
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answered by Anonymous
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Pipes smaller than 2" need a vent. If you have a vent, it is probably clogged with something. If you don't, then it was done improperly and you may need to install a studor vent(point of use vent).
2007-05-11 01:30:42
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answer #5
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answered by St. Brandon 3
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You can buy anti vac traps from plumbing merchants, these will stop the glugging if its bothering you too much.
2007-05-11 06:37:02
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answer #6
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answered by Anonymous
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Lack of air is the reason
2007-05-12 21:51:56
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answer #7
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answered by plumber71602 2
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well the refiod is on the left and the decora on the right change them around and then turn them over till there flat and then re apply with blue tac and well you have it job done and dusted THAT WILL BE £49.50 PLEASE just place it in my account thank you
2007-05-12 08:25:18
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answer #8
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answered by bazbog 2
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Air is the reason
2007-05-12 00:40:21
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answer #9
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answered by srracvuee 7
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... vent air to make it drain!
2007-05-11 01:32:42
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answer #10
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answered by Gem 2
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