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Venting Methods - KitchenAid 36" (91.4 cm) 48" (121.9 cm) Island Canopy Range Hood Installation Instructions Manual

36" (91.4 cm) 48" (121.9 cm) island canopy range hood
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Venting methods

This island 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).
Ventwork 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) 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
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.
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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