Quote:
Originally Posted by VINMAN
Double p- traps are against code here in NJ
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Don’t think he’s referring to double trap on a single fixture (against code here as well
AFAIK).
I just went through this design work myself. The sinks can be installed with a single p-trap as long as they are within 30” of each other. When I laid it out, I preferred separate p-traps into the wall, down through the floor into the crawl space where I teed them together.
In the event of having to work on leaks in the vanity, I liked the idea of not affecting both sinks at the same time. Also, the plumbing took up more space with a T layout before the trap YMMV.