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Posted by Joseph Meehan on August 2, 2006, 7:31 pm
John E. wrote:
> I know that AAV's (vent valves) are common in Europe, but are they in
> common use and accepted by inspectors in the U.S.?
>
> Thanks,
We call them vacuum breaker valves. I don't know all the rules and you
may find that they may be different in one area from another. I believe
that generally you will find that it is considered good practice to avoid
them by using a vent stack.
--
Joseph Meehan
Dia duit
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