Like many family houses built in the 1920’s, this one has a downstairs half bath that most likely used to be a coat closet. The pedestal sink fit the space, but afforded no storage, and the sink drain was barely flowing.
Its difficult to tell what the original plan was with the plumbing, but looking in the basement, it was easy to see why the drain wasn’t working well.
As you can see, a previous homeowner got creative with a loop-de-loop trap of their own design. This might actually qualify as an S-trap, but we can certainly do better. Also, due to the way this bathroom was added it’s unclear whether there is adequate venting going on. This is going to be a slow drain on a good day, and clog easily.
The new sink drain flows fast and free with a new P-trap in the room, and this compact vanity adds out-of-sight storage for toiletries and cleaning supplies.
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