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DETERMINE VENT LENGTH
Maximum Exhaust Lengths:
• Rear ExhausL The maximum length of
the rear exhaust system depends on the
type of vent, the number of elbows, and
the type of exhaust hood. Refer to the
chart below.
• Side or Bottom ExhausL Side or bottom
exhaust adds a 90° turn inside the dryer.
To determine maximum exhaust length,
add one 90° turn to the chart.
EXHAUST HOOD TYPE
4L! _ ] (Use4-inch
if possible)
Number of Maximum length of
90° Turns 4-inch diameter heavy
metal vent.
0 64 ft 58 ft
t 54ft 48 ft
2 44ft 38ft
3 35ft 29 ff
4 27 ft 21 ft
Number of Maximum length of
90° Turns 4-inch diameter flexibte
metal vent
0 36 ft 28ff
t 3I ft 23 ff
2 27ft 19ft
3 25ft 17ft
4 23ft 15ff
NOTE: If a combination of heavy metal
vent and flexible metal vent is used, use
instructions for flexible metaI vent.
2O
STANDARD OFFSET CONNECTIONS
Using 4-inch heavy metal vent:
NOTE: Do not secure exhaust vent
oints 'with screws. Screws can catch lint
and stow the drying process. Instead, use
clamps to secure exhaust vent joints.
STEP 1. Install a 4-inch metal elbow on
the hood and on the dryer exhaust outlet.
STEP 2. Measure the length of 4-inch
heavy metal vent needed to connect the
two elbows.
Heavymetal vent
Elbow
Wall
hood
tape&
clamps
STEP2
Ducttape & clamps
The vent usually comes in 2-foot lengths.
Use tin snips to cut the vent 3 inches
longer than your measurement in order to
make a connection.
STEP 3. Place a clamp on each end
of vent elbow and connect elbow to your
dryer's exhaust outlet. Tape the joint
with duct tape. Tighten clamp.
Tape
Clamp
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