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I recently moved into a new flat and it has 2 sinks that are plumbed as such:

Image of plumbing under the kitchen sinks, showing a bottle trap and a p trap.

As far as I understand, both the Bottle Trap and the P Trap serve the same purpose, so in this case the Bottle Trap is redundant and can be removed, right?

I'm asking as I'd like to get a plumber to remove the Bottle Trap and replace the flexible tube with a proper pipe so that it reduces the amount of cleaning needed and improves flow, and wanted to check that it's the right thing to do before calling the plumber.

Vlad Schnakovszki
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1 Answers1

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It looks like you have two drains, correct? The picture may be deceiving, but it looks like one trap is lower than the other. You could get away with one trap, but it would have to piped in such a way that both drains are above the trap. Water flows down hill and the trap should be full to prevent sewage gas from coming back up through the drain. Hope that makes sense.

ThreePhaseEel
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Rich Sandy Frey
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