If this is a new vent system
Vent material
Use a heavy metal vent. Do not use plastic or metal foil vent.
4" (10.2 cm) heavy metal exhaust vent and clamps must be
used.
4" (10.2 cm) heavy metal exhaust vent
Rigid metal vent
For best drying performance, rigid metal vents are
recommended.
Rigid metal vent is recommended to avoid crushing and
kinking.
Flexible metal vent
Flexible metal vents are acceptable only if accessible for
cleaning.
Flexible metal vent must be fully extended and supported
when the dryer is in its final position.
Remove excess flexible metal vent to avoid sagging and
kinking that may result in reduced airflow and poor
performance.
Do not install flexible metal vent in enclosed walls, ceilings or
floors.
Elbows
45° elbows provide better airflow than 90° elbows.
Good
Clamps
Use clamps to seal all joints.
Exhaust vent must not be connected or secured with screws
or other fastening devices that extend into the interior of the
duct. Do not use duct tape.
4"
10.2 cm
Better
Clamp
Exhaust
Recommended hood styles are shown here.
A
(10.2 cm)
A. Louvered hood style
B. Box hood style
The angled hood style (shown here) is acceptable.
4"
(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 magnetic 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 problems.
B
4"
(10.2 cm)
4"
2½"
(6.4 cm)
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