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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)
3-1/4" x 10"
(8.3 cm x 25 cm)
through
the roof
roof cap
Horizontal wall venting
3-1/4" x 10"
(8.3 cm x 25 cm)
through the wall
wall
cap
Vertical roof venting
Vent Piece 3-1/4" x 10" (8.3 cm x 25 cm) 7" (17.8 cm), 8" (20.3 cm)
Rectangular or 9" (22.9 cm) Round
45° elbow 7.0 feet 2.5 feet
(2.1 m) (0.8 cm)
90° elbow 5.0 feet 5.0 feet
(1.5 m) (1.5 m)
90° flat elbow 12.0 feet
(3.7 m)
transition to round 5.0 feet
(1.5 m)
wall cap 0.0 feet
(0.0 m)
3-1/4" x 10”
(8.3 cm x 25 cm)
elbow
wall
cap
Maximum length = 35 ft. (10.7 m)
1 — 90° elbow = 5 ft. (1.5 m)
8 ft. (2.4 m) straight = 8 ft. (2.4 m)
1 — wall cap = 0 ft. (0 m)
Length of 3-1/4" x 10"
(8.3 cm x 25 cm)
system = 13 ft. (4 m)
6 ft. (1.8 m)
2 ft.
(0.6 m)
3-1/4" x 10"
(8.3 cm x 25 cm)
v
ent system
To calculate the length of the system
you need, add the equivalent feet for
each vent piece used in the 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.)
Calculating the vent system length
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.