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Basement shower drain

Does a basement shower need to have a trap? If we just put a straight drain will it work?

MLB Construction
Re: Basement shower drain

it HAS to have a trap, if it doesn't the bathroom will stink of sewer gasses constantly.

Re: Basement shower drain

MLB is right. The trap, which is required by code, contains water. This captive water, that can't drain by itself, stops the sewer gases from entering the room. When you flush new water down the darin, it replaces the old water that was sitting there.

Re: Basement shower drain

Thank you! Glad I asked now I just have to admit to hubby that I was....wrong!

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