6
Calculating Vent System Length
To calculate the length of the system you need, add the
equivalent feet (meters) for each vent piece used in the system.
6" (15.2 cm) Round Vent System
Example vent system
3¹⁄₄" x 10" (8.3 cm x 25.4 cm) Vent System
Example vent system
Non-Vented (recirculating) Installations Through the Soffit/
Cabinet
If it is not possible to vent cooking fumes and vapors to the
outside, the range hood can be used in the non-vented
(recirculating) version, using a recirculation kit. The recirculation
kit Part Number is W10490330. See “Assistance or Service”
section to order.
For non-vented (recirculating) installations only, the range hood
can be vented indoors through the top of the cabinet or soffit.
NOTE: 12" (30.5 cm) high cabinets without a soffit may allow the
6" (15.2 cm) vent and vent cover to be seen.
Vent Piece Round
45° elbow 2.5 ft
(0.8 m)
90° elbow 5.0 ft
(1.5 m)
6" (15.2 cm) wall cap 0.0 ft
(0.0 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
to 6" (15.2 cm)
4.5 ft
(1.4 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
to 6" (15.2 cm) 90° elbow
5.0 ft
(1.5 m)
Maximum Recommended Length = 50 ft (15.2 m)
1 - 90° elbow = 5.0 ft (1.5 m)
1 - wall cap = 0.0 ft (0.0 m)
8 ft (2.4 m) straight = 8.0 ft (2.4 m)
Length of 7" (17.8 cm) system = 13.0 ft (3.9 m)
Vent Piece
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
90° elbow
5.0 ft
(1.5 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
flat elbow
12.0 ft
(3.7 m)
3¹⁄₄" x 10" (8.3 cm x 25.4 cm)
wall cap
0.0 ft
(0.0 m)
Wall cap
90˚ elbow
2 ft (0.6 m)
6 ft (1.8 m)
Maximum Recommended Length = 35 ft (10.7 m)
1 - 90° elbow = 5.0 ft (1.5 m)
8 ft (2.4 m) straight = 8.0 ft (2.4 m)
1 - wall cap = 0.0 ft (0.0 m)
Length of system = 13.0 ft (3.9 m)
Through Cabinet Through Soffit
A. Ceiling
B. Vent cover
C. Soffit
D. 6
" (15.2 cm) vent
E. Range hood
F. Cabinet
G. Wall
H. 17" (43.2 cm) min. vent cover
height
Wall cap
3
¹⁄₄" x 10"
(8.3 x 25.4 cm)
elbow
2 ft
(0.6 m)
6 ft (1.8 m)
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