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Tony Hwang

wrote:

On Dec 22, 11:35�am, Phisherman wrote:

I'm installing a double sink. �The basins are 20 gallons each and the
drains are about 8" apart. �I will be installing a 1.5" PVC vent
around the room near the top of the studs to serve all the fixtures.
There are two ways to connect the sink drain--a single trap or
separate traps for each basin. �If I install separate traps, I could
install a separate vent for each trap. �I want to eliminate any
possibility of waste water draining from one basin to enter the other
(empty) basin. �What is the best configuration?

seperate traps always better. are you certain a 1.5 inch vent is
enough?
Hi,
When I look at ours in the kitchen one trap with 2" vent.
We have a dish washer and garburator as well draining into it.