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– If the exhaust is ducted into an
inactive flue, the air must be expelled
parallel to the flow direction of the
flue.
Never connect an exhaust hood to
an active chimney, dryer vent, vent
flue, or room venting ductwork. Seek
professional advice before connect-
ing an exhaust hood vent to an
existing, inactive chimney or vent
flue.
– If the ductwork runs through rooms,
ceilings, garages, etc. where temper-
ature variations exist, it may need to
be insulated to reduce condensation.
In some cases, a condensate trap
may also be required to collect and
evaporate any condensate which
may occur.
When installing a condensate trap,
ensure that it is positioned vertically
and if possible directly above the
exhaust outlet.
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