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We recommend installing the vent
system before installing the range
hood.
•
A damper is required in the venting
system. If the wall or roof cap already
has a damper, do not use the
damper that comes with the range
hood.
•
Ensure that the exhaust hose is
fully extended to maximize airflow.
•
For the best results, it is advised to
limit the length of the exhaust duct
hose and the number of bends in
the system to achieve optimal
performance.
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The ideal length of the duct system
is between 35 and 40 feet.
•
Make sure there is enough
clearance within the ceiling or wall
for the exhaust vent before making
any cutouts.
•
Only use metal ducting, with rigid
metal ducting being the preferred
option. Avoid using plastic or metal
foil ducting.
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If the diameter of the exhaust
ducting is less than 5.91 inches (15.0
cm) or if flat ducting is used, the
range hood's noise level may
increase and the exhaust
efficiency may be reduced.
•
To ensure that all joints in the
ductwork are appropriately
connected, carefully inspect each
joint. Use certified aluminum or foil
tape to seal and tape all joints
securely. Clamps may also be
used.
•
To minimize the backward flow of
cold air and prevent the conduction
of outside temperatures, it is
streamlinebath.com
advisable to add an additional
backdraft damper and thermal
break in the duct system. The
damper must be placed on the cold
air side of the thermal break, which
should be installed as close as
possible to where the duct system
enters the heated portion of the
house.
•
Avoid using a 4'' laundry wall cap.
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Attach the end of the exhaust hose
to a vent leading outside of the
home. Avoid ventilating the range
hood into an attic or other closed
area to prevent the buildup of
harmful fumes and to ensure proper
ventilation.
•
Do not use more than three 90-
degree elbows not to affect range
hood performance.
•
The size of the vent openings
should be consistent.
•
It is permissible to install a 90-
degree elbow directly above the
range hood.
•
If multiple elbows are used, ensure
there is at least 24 in. of straight duct
between them.
•
Do NOT install two elbows
together.
•
You may use caulking to seal the
exterior walls or roof openings
around the vent cap.
•
A 90-degree elbow may be needed
to vent through a wall.
support@streamlinebath.com
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(310) 935-0028
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