An island sink presents a unique plumbing problem: Like all drains, the sink drain has to be vented to allow air into the pipes to equalize pressure, but how do you connect it to the building’s vent ...
Q. My new kitchen is going to have a large island with my double-bowl sink in it. The young plumber and my contractor want to use some newfangled thing that just fits under the cabinet. They call it ...
Does NY code allow for the venting of a kitchen island sink via air admittance valve similar to the one shown here as option 2.
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