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Vent system
requirements
Vented (non-recirculating) system
must terminate to the outside.
Do not terminate the vent system
in an attic or other enclosed area.
Do not use 4
"
(10.2 cm) laundry-
type wall caps.
Use metal vent only. Rigid metal
vent is recommended. Do not use
plastic or metal foil vent.
• The size of the vent should be
uniform.
• Use no more than three 90°
elbows.
• Make sure there is a minimum
of 24" (61 cm) of straight vent
between the elbows if more
than one elbow is used.
• Do Not install two elbows
together.
• The length of vent system and
number of elbows should be
kept to a minimum to provide
efficient performance.
• The vent system must have a
damper. If roof or wall cap has
a damper, Do Not use damper
supplied with the range hood.
• Use duct tape to seal all joints
in the vent system.
• Use caulking to seal exterior
wall or roof opening around the
cap.
Determine which venting method
is best for your installation and
follow installation steps.
Vent system needed for
installation is not included. 3-1/4
"
x
10" (8.3 cm x 25 cm) rectangular is
recommended.
This vent hood is factory set for
venting through the roof or wall.
For non-vented (recirculating)
installations, Non-Vent Kit part no.
883140 is available from your
dealer or authorized parts
distributor.
Venting methods
Recommended standard
fittings
3-1/4" x 10"
(8.3 cm x 25 cm)
90° elbow
= 5 ft. (1.5 m)
3-1/4" x 10"
(8.3 cm x 25 cm)
flat elbow
= 12 ft. (3.7 m)
3-1/4" x 10"
(8.3 cm x 25 cm)
wall cap
= 0 ft. (0 m)
Roof venting
3-1/4
"
x 10
"
(8.3 cm x 25 cm)
vent through
the roof
Wall venting
Non-vented (recirculating)
vent through the soffit
3-1/4" x 10"
(8.3 cm x 25 cm)
vent through
the wall
3-1/4" x 10"
(8.3 cm x 25 cm)
vent
3-1/4" x 10"
(8.3 cm x 25 cm)
elbow
vent cover
soffit
wall
cap
3-1/4" x 10”
(8.3 cm x 25 cm)
90° elbow
wall
cap
Maximum length = 26 ft. (8 m)
1 — 90° elbow = 5 ft. (1.5 m)
9 ft. (2.8 m) straight = 9 ft. (2.8 m)
1 — wall cap = 0 ft. (0 m)
Length of 3-1/4" x 10"
(8.3 cm x 25 cm)
system = 14 ft. (4.3 m)
6 ft. (1.8 m)
3 ft.
(0.93 m)
3-1/4" x 10"
(8.3 cm x 25 cm)
v
ent system
Recommended vent system
length
Use 3 1/4
" x 10" (8.3 cm x 25 cm)
vent with maximum length of
26 feet (8 m) for vent system. For
best performance, use no more
than three 90° elbows. To calculate
the length of system you need,
add the equivalent feet (meters)
for each vent piece used in the
system. See the following
example.
damper installation
not required