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Multiple dryer exhausting guide
Many multiple-family dwellings are furnished with
provisions in the building for washing and drying laundry
with automatic washers and dryers. The exhausting of
the individual clothes dryers can be accomplished with
a central exhaust vent system. The following is a list of
factors for possible consideration in the design of a
central vent system for this type of installation.
Each room where dryers are located should have
make-up air equal to or greater than the CFM of all
dryers in the room.
This information is intended for general guide purposes
only and does not necessarily include all factors which
may be required for consideration in a given situation.
If specific information on multiple exhausting is required,
contact a local sheet metal contractor.
1. Provide all dryers with individual lint screens before
connecting to any central exhaust vent system.
2. Exhaust individual dryers to the central exhaust vent
system with proper sized venting to assure adequate
performance of each dryer. (Dryer has 4-inch exhaust
vent connection.)
3. Install barometric dampers on each individual dryer
exhaust vent. These dampers may be used for bal-
ancing out the overall vent system. Dampers may be
secured or built locally from a sheet metal fabricator.
4. Make all gas and electric supply connections to
individual dryers in accordance with manufacturer's
installation instructions and applicable local codes
requirements.
NOTE: Check code requirements. Some codes limit or do
not permit installation of clothes dryers in garages, closets,
mobile homes, or sleeping quarters. Contact your local
building inspector.
• Refer to the chart below for recommended installation
requirements. This will ensure you have an adequate
clearance for service and proper operation including
flow of combustion and ventilation air, and that you
have a sufficient distance from combustible construc-
tion.
• Be sure your location allows for a proper exhaust
installation. A gas dryer must be exhausted to the
outdoors. See "Exhaust requirements."
NOTE: No fuel-burning appliances may be installed in
the same closet as a dryer.
Installation Clearances
Use recommended clearance for easier installation
Recommended/Minimum
Back Sides Top Front
Recessed 5 in/0 in 1 in/0 in 18 in/18 in
Closet 5 in/4 in 1 in/0 in 18 in/18 in 1 in/1 ir
NOTE: Check code requirements. Some codes limit or do
not permit installation of clothes dryers in garages, closets,
mobile homes, or sleeping quarters. Contact your local
building inspector.
• Use at least the minimum installation clearances
shown in the chart. This will ensure you have an
adequate clearance for service and proper operation
including flow of combustion and ventilation air, and
that you have a sufficient distance from combustible
construction.
• Special provisions must be made for the introduction
of outside air into the dryer when installed in a mobile
home. The area of any opening for the introduction of
outside air (such as a nearby window) should be at
least twice as large as the dryer exhaust opening.
This dryer is suitable for mobile home installations. The
installation must conform to the 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).
• Dryer exhaust vent must not be connected or secured
with screws or other devices which extend into the
interior of the vent.
•A gas dryer must be exhausted outdoors. The exhaust
vent must be securely fastened to a noncombustible
portion of the mobile home structure and must not
terminate beneath the mobile home.
For mobile home use, gas dryers must be securely
fastened to the floor. Order Mobile Home Installation Kit
346764 from your Sears store or Sears Service Center.
Kit includes the necessary fastening hardware and
detailed installation instructions. Exhaust system hard-
ware is also available through your Sears store or Sears
Service Center.
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