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Exhaust requirements
WARNING
Fire Hazard
Use a heavy metal vent.
Do not use a plastic vent.
Do not use a metal foil vent.
Failure to do so can result in death or
fire.
• Do Not use non-metal flexible vent or
exhaust hoods with magnetic latches.
• Metal exhaust vent must be four inches in
diameter.
• Do Not exhaust dryer into a chimney,
furnace, cold air vent, attic or crawl space,
or any other vent used for venting.
• Do Not install flexible vent in enclosed
walls, ceilings or floors.
Plan the exhaust vent installation
Route the vent
The exhaust
exhaust
outlet
outlet is located at
the center of the
rear of the dryer.
The exhaust vent can be
routed up, down, left,
right or straight out the
back of the dryer. See
"Recessed area/closet
installation" section,
Panel A, for general
space requirements.
Panel B
Important: Observe all governing codes and
ordinances.
A dryer must be exhausted outdoors.
Moisture and lint indoors may cause:
• Lint to gather around the dryer where it can
be fuel for a fire.
• Moisture damage to woodwork, furniture,
paint, wallpaper, carpet, etc.
• Housecleaning problems and health problems.
Dura Safe
TM
venting products are
recommended and are available from your
dealer.
Four-inch diameter vent is required.
Rigid or flexible metal exhaust vent must be
used. Do Not use plastic or metal foil vent.
Rigid metal vent is recommended to prevent
crushing and kinking.
Flexible metal vent must be fully extended and
supported when the dryer is in its final position.
Remove excess flexible vent to avoid sagging
and kinking that may result in reduced air flow.
An exhaust hood should cap the exhaust vent
to prevent rodents and
insects from entering the
home.
Exhaust outlet hood must
be at least 12 inches from
the ground or any object
that may be in the path of
the exhaust (such as flowers,
rocks or bushes, etc.)
If using an existing
exhaust system, clean lint from entire length
of system and make sure exhaust hood is not
plugged with lint. Replace any plastic or metal
foil vent with rigid metal or flexible metal vent.
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
vent.
Service check: Back pressure in any exhaust
system used must not exceed 0.6 inches in
water column measured with an incline
manometer at the point that exhaust vent
connects to dryer.
exhaust air flow
better
acceptable
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. Avoid making 90° turns.
When using elbows or making turns, allow as
much room as possible. Bend vent gradually to
avoid kinking.
Determine vent length
The maximum length of the exhaust system
depends upon:
— the type of vent (rigid or flexible metal).
— the number of elbows used.
— if a combination of rigid and flexible metal
vent is used.
Do not use vent runs longer than specified in
exhaust vent length charts.
Exhaust systems longer than specified will:
— Accumulate lint creating a potential fire
hazard.
— Shorten the life of the dryer.
— Reduce performance, resulting in longer
drying times and increased energy usage.
4"
4"
The same length of vent can be used with any
of the three exhaust hoods shown.
Exhaust vent length charts list lengths by type
of vent to be used. Use the chart that matches
your vent type.
Mobile home installation
requirements
If codes permit, this appliance is suitable for
mobile home installations. The installation of
the dryer must conform to Manufactured
Home Construction and Safety Standard, Title
24 CFR, Part 3280 (formerly the Federal
Standard for Mobile Homes Construction and
Safety, Title 24, HUD Part 280) or latest
edition.
The dryer must be exhausted outside.
floor
enclosed area
The exhaust vent must be securely fastened to
a non-combustible portion of the mobile
home structure and must not terminate
beneath the mobile home.
12" min.
When you use only one type
of metal vent...
Determine the number of elbows you will
1.
need.
In the column listing the type of metal vent
2.
you are using (rigid or flexible), find the
maximum length of metal vent on the
same line as the number of elbows.
Maximum length of Rigid metal vent OR
fully extended Flexible metal vent
1.
Number
of 90°
elbows
0
1
2
3
4
5
The maximum length using a 2" x 6" rectangular vent with 2
elbows and transitioning into a 2-1/2" exhaust hood is 8 feet.
When you use a combination of rigid
and flexible metal vent...
Determine the number of elbows you'll need.
1.
Determine the length of Flexible metal vent
2.
you'll use. Find the column that has the nearest
number of feet to what you will be using.
In the shaded area of that column find the
3.
maximum length of Rigid metal vent on the
same line as the number of elbows.
Number of
Maximum length of fully extended
90° elbows
Length of Flexible metal vent
2.
1.
0'
1-5'
0
120 ft 105 ft 90 ft
110 ft
95 ft 80 ft
1
2
100 ft
85 ft 70 ft
2-1/2"
3
90 ft
75 ft 60 ft
4
80 ft
65 ft 50 ft
5
70 ft
55 ft 40 ft
Example:
1.
2.
3.
outside
wall
skirting
2.
3.
4" dia.
4" dia.
rigid
flexible
metal vent
metal vent
120 ft
40 ft
110 ft
37 ft
100 ft
33 ft
90 ft
30 ft
80 ft
27 ft
70 ft
23 ft
Flexible and Rigid metal vent
6-10' 11-15' 16-20' 21-25'
75 ft
60 ft
45 ft
65 ft
50 ft
35 ft
Length
55 ft
40 ft
25 ft
of
Rigid
45 ft
30 ft
15 ft
metal
35 ft
20 ft
5 ft
vent
25 ft
10 ft
0 ft
You need to use 2 elbows.
You will use 5 feet Flexible metal
vent.
The maximum length of Rigid
metal vent you can use is 85 feet.
3.
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