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Kenmorerangehoodsare 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 200 equivalent feet of 7" 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
2ft.
Broan Model 406
Straight Duct
6-in. round x 2-ft. long
Equivalent length
2ft.
Broan Model 407
Straight Duct
7-in. round x 2-ft. long
Equivalent length
2 ft.
Broan Model 419
6-in. Round Elbow
Equivalent length
8ft.
Broan Model 415
7,in. Round Elbow
Equivalent length
8 ft.
Sears Model 59581
3¼-in. x 10-in. to
6-in, Round Transition
Equivalent length
5.5 ft.
Broan Model 412H
3¼-in. x 10-in. to
7-in, Round
Transition
Equivalent length
5.5 ft.
Broan Model 428
3_,4-in.x 10-in,
Right-angle Elbow
Equivalent tength
8.5 ft.
Broan Model 429
3¼-in, x 10-in,
Right-angle Flat Elbow
Equivalent length
24 ft.
Broan Model 430
31A-in.x 10-in.
Right-angle
Short
Eave Elbow
Equivalent length
15ft.
Broan Model 431
3¼-in. x 10-in.
Right-angle
Long
Eave Elbow
Equivalent length
15ft.
(_ Sears Model 59691
6-in. Round
Wall Cap
Equivalent length
34 ft.
(6-ft. wio damper)
Broan Model 647
7-in. Round
Wall Cap
Equivalent length
34 ft,
(6-ft. wio damper)
Sears Model
59391
3¼-in. x
10-in,
Wall Cap
Equivalent
length
45 ft.
(7-ft. wio damper)
Sears
Model 59091
Roof Cap
(accepts 7-in. round
or 31A-in. x !0-in, duct)
Equivalent length
30 ft, (7-ft. wio damper)
Sears Model "Ducting Accessories" available by calling:
Sears at 1-800-4-MY-HOME ®
Broan Model "Ducting Accessories" available by calling:
1-800-558-1711.
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