Elbows
45° elbows provide better airflow than 90° el-
bows.
Good
Clamps
•
Use clamps to seal all joints.
•
Exhaust vent must not be connected or se-
cured with screws or other fastening devic-
es that extend into the interior of the duct.
Do not use duct tape.
Exhaust
Recommended hood styles are shown here.
A
4"
(10.2 cm )
A. Louvered hood style
B. Box hood style
Better
Clamp
B
4"
(10.2 cm)
The angled hood style (shown here) is ac-
ceptable.
(10.2 cm)
•
An exhaust hood should cap the vent to
keep rodents and insects from entering the
home.
•
Exhaust hood must be at least 12˝ (30.5 cm)
from the ground or any object that may be
in the path of the exhaust (such as flowers,
rocks or bushes, snow line, etc.).
•
Do not use an exhaust hood with a mag-
netic latch.
Improper venting can cause moisture and
lint to collect indoors, which may result
in:
•
Moisture damage to woodwork, furniture,
paint, wallpaper, carpets, etc.
•
Housecleaning problems and health prob-
lems.
2-18
4"
2½"
(6.4 cm)