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Install Vent System - Kenmore 110.84722 Use & Care Manual

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Special provisions for mobile home installations
The exhaust vent must be securely fastened to a noncombustible
portion of the mobile home structure and must not terminate
beneath the mobile home. Terminate the exhaust vent outside.
Determine vent length
1. Select the route that will provide the straightest and most
direct path outdoors. Plan the installation to use the fewest
number of elbows and turns. When using elbows or making
turns, allow as much room as possible. Bend vent gradually
to avoid kinking. Avoid 90° turns when possible.
2. Determine vent length.
The maximum length of the exhaust system depends upon:
The type of vent (rigid metal or flexible metal).
The number of elbows used.
Type of hood.
Recommended hood styles are shown here.
(10.2 cm)
A. Louvered style
B. Box hood style
The angled hood style (shown following) is acceptable.
(10.2 cm)
See the exhaust vent length chart that matches your hood
type for the maximum vent lengths you can use.
(10.2 cm)
(6.4 cm)
Exhaust systems longer than specified will:
Shorten the life of the dryer.
Reduce performance, resulting in longer drying times and
increased energy usage.
3. Determine the number of elbows you will need.
IMPORTANT: Do not use vent runs longer than those specified in
the Vent Length Chart.
In the column listing the type of metal vent you are using (rigid
metal or flexible metal), find the maximum length of metal vent on
the same line as the number of elbows.
Vent Length Chart
Number of
Type of
90º turns
or elbows
Rigid metal
Flexible metal
Rigid metal
Flexible metal
Rigid metal
Flexible metal

Install Vent System

1. Before installing the vent system, be sure to remove the wire
exhaust guard that is located at the exhaust outlet.
2. Install exhaust hood. Use caulking compound to seal exterior
wall opening around exhaust hood.
3. Connect vent to exhaust hood. Vent must fit inside exhaust
hood. Secure vent to exhaust hood with 4" (10.2 cm) clamp.
4. Run vent to dryer location. Use the straightest path possible.
See "Determine vent length." Avoid 90º turns. Use clamps to
seal all joints. Do not use duct tape, screws or other fastening
devices that extend into the interior of the vent to secure
Box or
36 ft (11 m)
26 ft (7.9 m)
28 ft (8.5 m)
22 ft (6.7 m)
26 ft (7.9 m)
16 ft (4.9 m)
18 ft (5.5 m)
12 ft (3.7 m)
16 ft (4.9 m)
6 ft (1.8 m)
8 ft (2.8 m)
2 ft (0.6 m)


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