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Venting Methods - KitchenAid 30" (76.2 cm) 36" (91.4 cm) 48" (121.9 cm) Wall-Mount Canopy Range Hood Installation Instructions Manual

30" (76.2 cm) 36" (91.4 cm) 48" (121.9 cm) wall-mount canopy range hood
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Venting methods

This canopy range hood is factory set for
venting through the roof or wall. For non-
vented (recirculating) installations, see
"Non-Vented (Recirculating) Kits" on
back page.
Vent system needed for installation is not
included. 3-1/4" x 10" (8.3 cm x 25 cm)
rectangular, 7" (17.8 cm) round, 8"
(20.3 cm) round or 9" (22.9 cm) round
vent may be used. The hood exhaust
opening is 3-1/4" x 10" (8.3 cm x 25 cm).
Vent system can terminate either through
the roof or wall. To vent through a wall,
a 90° elbow is needed.
The vent system length should not
exceed the lengths shown in the chart
below.
Vent size
Maximum length
3-1/4" x 10"
35 ft. (10.7 m)
(8.3 cm x 25 cm)
7" (17.8 cm) round
40 ft. (12.2 m)
8" (20.3 cm) round
50 ft. (15.2 m)
9" (22.9 cm) round
60 ft. (18.3 m)
Calculating the vent system length
To calculate the length of the system
you need, add the equivalent feet for
each vent piece used in the system.
Vent Piece
45° elbow
90° elbow
90° flat elbow
transition to round
wall cap
4
3-1/4" x 10"
(8.3 cm x 25 cm)
through the roof
Note: 3-1/4" x 10"
(8.3 cm x 25 cm)
rectangular vent
must be used
inside chimney
cover. Round vent
will not fit inside
chimney cover.
3-1/4" x 10" (8.3 cm x 25 cm) 7" (17.8 cm), 8" (20.3 cm)
Rectangular
7.0 feet
(2.1 m)
5.0 feet
(1.5 m)
12.0 feet
(3.7 m)
5.0 feet
(1.5 m)
0.0 feet
(0.0 m)
Vertical roof venting
roof cap
or 9" (22.9 cm) Round
2.5 feet
(0.8 cm)
5.0 feet
(1.5 m)
Horizontal wall venting
3-1/4" x 10"
(8.3 cm x 25 cm)
through the wall
3-1/4" x 10" (8.3 cm x 25 cm)
vent system
3-1/4" x 10"
(8.3 cm x 25 cm)
elbow
6 ft. (1.8 m)
2 ft.
(0.6 m)
Maximum length
1 — 90° elbow
8 ft. (2.4 m) straight
1 — wall cap
Length of 3-1/4" x 10"
(8.3 cm x 25 cm)
system
Note: Flexible vent is Not
recommended.
If it is used, each foot of flexible vent
used is equivalent to two feet
(61 cm) of straight metal vent when
calculating the vent system length.
(Example: A flexible elbow equals two
standard elbows.)
wall cap
wall
cap
= 35 ft. (10.7 m)
= 5 ft. (1.5 m)
= 8 ft. (2.4 m)
= 0 ft.
(0 m)
= 13 ft.
(4 m)

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