Has anyone here used an air admittance valve. I've read what I could find
but would like to hear from someone that has actually used one.
I'm removing the wall above our kitchen sink and would either have to
install an air admittance valve or reroute the vent and a loop vent isn't an
option here. The reroute would require elbow the vent and run it six feet
to a wall, up to the attic, then six feet back over to the vent stack.
Yes, they work great. The bigger question is:
Will this job require inspection? Does your town
If you do run the vent to attic, remember that
it must rise vertically until 6" above the sink
rim flood level, before going horizontal.
Mechanical vent must be installed where accessible
(pretty much means under the sink).
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