Dimension Guide

Because Whirlpool Corporation policy includes a continuous commitment to improve
our products, we reserve the right to change materials and specifications without notice.
Dimensions are for planning purposes only. For complete details, see Installation
Instructions packed with product. Specifications subject to change without notice.
Ref. W10331009B
3/30/2011
Page 2 of 2
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.
Vent Piece Equivalent Length
45° elbow 2.5 ft
(0.8 m)
90° elbow 5.0 ft
(1.5 m)
The maximum equivalent vent lengths are:
10" (25.4 cm) round vent - 60 ft (18.3 m)
Example vent system
The following example falls within the maximum recommended vent
length.
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 system = 13.0 ft (3.9 m)
90 elbow
6 ft (1.8 m)
2 ft
(0.6 m)
Wall cap
Vent system can terminate either through the roof or wall. To vent
through the wall, a 90
o
elbow is needed.
Roof Venting Wall Venting
A
.Roof cap
B. 10" (25.4 cm)
round vent
A. Wall cap
B. 10" (25.4 cm)
round vent
A
A
B
B
Typical In-line Blower Motor System Venting Installations
A. 10" (25.4 cm) round vent
B. Mount on top of ceiling joists.
C. Roof caps
D. Plywood (optional on some installations)
E. Mount on underside of roof rafters.
F. Mount from cross-members tied to trusses.
G. Duct horizontal; mount to cross-members
tied to trusses.
H. Wall cap
F
G
D
A
A
B
C
D
A
A
H
E