Article on precisely that subject in last issue of Fine Homebuilding - Nov 05, No. 174
Easy way these days is the AAV -- air-admittance valve.
Plumbing Vent for Kitchen Island
Oct 17, 2005
5 Replies
Hello all..........How is venting handled for sinks in free standing kitchen islands? Thanks. John
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Scroll down to Island Sink venting
In the end, the inspector has the final say so on what is accepted in your town/city/state.
Jim
Thanks to all for your input. John
high as possible under counter) then pipe down from 45 under floor and up a wall and out the roof. You could pipe up to a 90 pointed horizontal then to a 90 pointed down pipe from there under floor over to wall and up. If you tie into an existing vent you must make your connection 6" above flood rim of sink ( top of sink)
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