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Hood Exhaust Duct
Outside ventilation requires
horizontal exhaust is to be
ELBOWS,TRANSITIONS,
HOOD EXHAUST DUCT.
used, care should be taken to
WALL AND ROOF CAPS, etc.,
Read the following carefully
align exhaust with space
present additional resistance to
between studs, or wall should
air flow and are equivalent to a
EXHAUST CONNECT/ON:
be prepared at the time it is
section of straight duct which is
The hood exhaust has been
comstructed by leaving enough
longer than their actual
designed to mate with a
space between wall studs to
physical size. When calcula_hg
standard 3-1/4" x 10"
accommodate exhaust,
the total duct length add the
rectangl llar duct.
NOTE: Referencewall
equivalent lengths of all
template,
transitions and adaptors plus
If round duct is required, a
the lengths of all su-aight duct
rectang_,l_r-to-mund
MAXIMUM DUCT LENGTH:
sections. The diagram below
transition adapter must be
For satisfactoryair movemen_
shows the approximate feet of
used. Do not use less than a 6"
the tot_ duct length of 3-1/4" x
equivalent length of some
diameter duct.
10" mctang_fl_ror 6" diameter
typical ducts.
round duct should not exceed
REAR EXHAUST: If rear or
140feet of epuivalent duct run.
ROOF CAP(24Fr)
ADAerOR ( set)
90 °ELBOW00Fr)
45 °F_LBOW(5FT)
90° ELBOW(25FT)
45° ELBOW(5FD
WAI ,LCAP (40FI)
6
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