pipe size?

tallgrass · #1 Feb 27, 2007, 03:26 PM

i live in san francisco and am adding a lavitory sink i plan to connect to current shower drain with a wye and loop vent thru same what size pipe do i need and what is the best way to support it ? sink will be 4 1/2 feet from shower drain thank you tallgrass

doug238 · Feb 27, 2007, 04:53 PM

trap size on a lavatory is 1 1/4". pipe size should be 1 1/2"

doug238 · Feb 28, 2007, 04:10 AM

a vent must be at least 6" above the flood level rim of the fixture



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