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13
Louvered Hood
Angled Hood
Box Hood
Exhaust hoods:
Elbows:
Recommended Styles:
■ 45° elbows provide better airow than 90° elbows.
Clamps:
■ Use clamps to seal all joints.
■ Exhaust vent must not be connected or secured with screws
or other fastening devices that extend into interior of duct
and catch lint. Do not use duct tape.
■ An exhaust hood should cap the vent to keep rodents and
insects from entering the home.
■ Must be at least 12" (305 mm) from ground or any object
that may obstruct exhaust (such as owers, rocks, bushes,
or snow).
■ Do not use an exhaust hood with a magnetic latch.
Good
Better
Acceptable Style:
Rigid metal vent:
■ Recommended for best drying performance and to avoid
crushing and kinking.
Flexible metal vent (acceptable only if accessible to clean):
■ Must be fully extended and supported in nal dryer location.
■ Remove excess to avoid sagging and kinking that may result
in reduced airow and poor performance.
■ Do not install in enclosed walls, ceilings, or oors.
■ The total length should not exceed 7
3
/
4
ft. (2.4 m).
■ The length of exible metal vent used must be included in
the overall vent system design as shown in the “Vent System
Charts.”
NOTE: If using an existing vent system, clean lint from entire
length of the system and make sure exhaust hood is not plugged
with lint. Replace plastic or metal foil vents with rigid metal
or exible metal vents. Review “Vent System Charts” and if
necessary, modify existing vent system to achieve best drying
performance.
Plan Vent System
Choose your exhaust installation type
Recommended exhaust installation:
A
B
C
D
E
F
B
G
H
A. Dryer
B. Elbow
C. Wall
D. Exhaust hood
E. Clamps
F. Rigid metal or exible metal vent
G. Vent length necessary to connect elbows
H. Exhaust outlet
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