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NOTE: The following kits for close
clearance alternate installations are
available for purchase. Please see the
“Assistance or Service” section of this
manual to order.
• Over-The-Top Installation:
Part Number 4396028
• Periscope Installation (For use with dryer
vent to wall vent mismatch):
Part Number 4396037 – 0 cm to 45.72
cm (0 in. to 18 in.) mismatch
Part Number 4396011 – 45.72 cm to
73.66 cm (18 in. to 29 in.) mismatch
Part Number 4396014 – 73.66 cm to
127 cm (29 in. to 50 in.) mismatch
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.
• The type of hood.
recommended hood
styles
10.2 cm
(4")
10.2 cm
(4")
louvered
hood
box hood
angled
hood
10.2 cm
(4")
6.4 cm
(2-1/2")
acceptable style
See the exhaust vent length chart that
matches your hood type for the
maximum vent lengths you can use.
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.
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.
better
good
NOTE: Side and bottom exhaust
installations have a 90° turn inside the
dryer.To determine maximum exhaust
length, add 1 90° turn to the chart.
Number of
90° turns or
elbows
0
1
2
3
4
Type of
metal vent
rigid
flexible
rigid
flexible
rigid
flexible
rigid
flexible
rigid
flexible
Box or
Louvered
hoods
20 m
(64 ft.)
11 m
(36 ft.)
16.5 m
(54 ft.)
9.4 m
(31 ft.)
13.4 m
(44 ft.)
8.2 m
(27 ft.)
10.7 m
(35 ft.)
7.6 m
(25 ft.)
8.2 m
(27 ft.)
7 m
(23 ft.)
Angled
hoods
17.7 m
(58 ft.)
8.5 m
(28 ft.)
14.6 m
(48 ft.)
7 m
(23 ft.)
11.6 m
(38 ft.)
5.8 m
(19 ft.)
8.8 m
(29 ft.)
5.2 m
(17 ft.)
6.4 m
(21 ft.)
4.6 m
(15 ft.)
Vent Length Chart
IMPORTANT: Do not use vent runs longer
than those specified in the Vent Length
Chart.
The following chart helps you determine
your maximum vent length based on the
number of 90° turns or elbows you will
need and the type of vent (rigid or flexible
metal) and hood that you will use.