Kenmore range hoods are designed to perform efficiently when attached to long runs of duct. As a point of
reference, this hood will function at approximately 80% of its rated air flow when 150 equivalent feet of 6"
round ductwork is attached. Use this chart to calculate the equivalent duct length of your system.
Broan Model 401
Straight Duct
3¼-in. x 10-in. x 2-ft. long
Equivalent length
2 ft.
Broan Model 406
Straight Duct
6-in. round x 2-ft. long
Equivalent length
2 ft.
Broan Model 419
6-in. Round Elbow
Equivalent length
8 ft.
Kenmore Model
59581
3¼-in. x 10-in. to
6-in. Round
Transition
Equivalent length
5.5 ft.
Kenmore Model Ducting Accessories are available by calling
All manuals and user guides at all-guides.com
EQUIVALENT DUCT LENGTH CHART
1-800-4-MY-HOME
Broan Model Ducting Accessories are available by calling
1-800-558-1711.
Broan Model 428
3¼-in. x 10-in.
Right-angle Elbow
Equivalent length
8.5 ft.
Broan Model 429
3¼-in. x 10-in.
Right-angle Flat
Elbow
Equivalent length
24 ft.
Broan Model 430
3¼-in. x 10-in.
Right-angle
Short
Eave Elbow
Equivalent length
15 ft.
Broan Model
431
3¼-in. x 10-in.
Right-angle
Long
Eave Elbow
Equivalent
length
15 ft.
®
5
Kenmore Model
59691
6-in. Round
Wall Cap
Equivalent length
34 ft.
(6-ft. w/o damper)
Kenmore
Model
59391
3¼-in. x
10-in.
Wall Cap
Equivalent
length
45 ft.
(7-ft. w/o
damper)
Kenmore
Model 59091
Roof Cap (accepts 7-in.
round or 3¼-in. x 10-in.
duct) Equivalent
length 30 ft.
(7-ft. w/o damper)