Asked by: Tereza Rademacker
asked in category: General Last Updated: 20th January, 2020

Can a sink have two traps?

It is perfectly fine to have (2) “P” traps , one on eash sink of a (2) sink setup. As long as the “P” traps are not Double Trapped ( more than one trap serving a fixture ) then it is fine as long as the weir is sized correctly.

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Also, does a double sink need two P traps?

A double bathroom sink installation rarely requires more than one P-trap. The usual practice is to connect the two sinks to a tee and then feed the tee into a single P-trap, which then connects to the drain.

Beside above, how much does it cost to add a second sink? Add in a pretty basic faucet for $44 and you're looking at $223, before the cost of labor. (I estimate it would be about $150 to plumb a sink and faucet, depending on where you live and the full scope of the job of course). The same model, in a larger two sink size, is $649.

Also, can you add a second sink in bathroom?

There are certainly much more complicated plumbing improvements that DIYers perform, but adding a second vanity sink does require some broad plumbing skills and experience. A diverse range of plumbing skills is required since you will be connecting both water supply and drain pipes.

How far below drain should P trap be?

According to the International Residential Code, the maximum vertical distance between the sink drain and the entrance to the p-trap is 24 inches.

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