Last Updated：2025/11/29
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When installing a kitchen island where a standard vent stack to the roof was not possible, the plumber installed an air admittance vent to allow air into the drainage system without letting sewage gases escape.
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When installing a kitchen island where a standard vent stack to the roof was not possible, the plumber installed an air admittance vent to allow air into the drainage system without letting sewage gases escape.
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Related words
air admittance vent
Noun
(plumbing)
a
mechanical
sewer
vent
that
allows
air
to
enter
into
the
sewage
system
but
does
not
allow
exhaust
of
sewer
gases,
to
aid
the
flow
of
sewage
by
providing
air
behind
water,
where
a
standard
vent
stack
to
atmosphere
is
not
possible,
by
drawing
in
interior
air
but
keeping
harmful
sewer
gases
contained.
Japanese Meaning
配管工学で使用される機械式下水換気装置で、下水システムに空気を供給し水の流れを促進するために利用されます。通常の大気に直接連結できる排気塔が設置できない場合に、室内の空気を取り入れる一方で、有害な下水ガスの排出を防ぐ役割を果たします。
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