Venting; Venting Requirements - Whirlpool 27" Installation Instructions Manual

VENTING

Venting Requirements

WARNING:
To reduce the risk of fire, this dryer MUST BE
EXHAUSTED OUTDOORS.
IMPORTANT:
Observe all governing codes and ordinances.
Dryer exhaust must not be connected into any gas vent,
chimney, wall, ceiling, attic, crawlspace, or a concealed space
of a building. Only rigid or flexible metal vent shall be used for
exhausting.
4" (102 mm) heavy metal exhaust vent
Only a 4" (102 mm) heavy metal exhaust vent and clamps may
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be used.
Do not use plastic or metal foil vent.
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Rigid metal vent:
Recommended for best drying performance and to avoid
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crushing and kinking.
Flexible metal vent:
(Acceptable only if accessible to clean)
Must be fully extended and supported in final dryer location.
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Remove excess to avoid sagging and kinking that may result
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in reduced airflow and poor performance.
Do not install in enclosed walls, ceilings, or floors.
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The total length should not exceed 7
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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 flexible metal vents. Review "Vent System Chart" and,
if necessary, modify existing vent system to achieve best drying
performance.
4"
(102 mm)
/ ft. (2.4 m).
3
4
Exhaust hoods:
Must be at least 12" (305 mm) from ground or any object that
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may obstruct exhaust (such as flowers, rocks, bushes, or
snow).
Recommended Styles:
Louvered hood
Acceptable Style:
Angled hood
Elbows:
45° elbows provide better airflow than 90° elbows.
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Good
Clamps:
Use clamps to seal all joints.
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Exhaust vent must not be connected or secured with screws
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or other fastening devices that extend into interior of duct
and catch lint. Do not use duct tape.
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.
See "Venting Kits" for more information.
Box hood
Better
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