Whirlpool WGFBLT, Installation Instructions Manual

Page: 11 / 28

11
Chimney Options
The furnace must be connected to a factory-built chimney or vent
complying with a recognized standard, or a masonry or concrete
chimney lined with a lining material acceptable to the authority
with jurisdiction.
NOTE: Venting into an unlined masonry chimney or a single wall
metal vent is prohibited in all cases. A lined masonry chimney
may be used.
Lined (Masonry) Chimney Venting
Factory-Built Chimney Venting
NOTE: All vent pipe run outside shall be constructed of
factory-built chimney sections.
■
Extend the vent connector into the chimney so that it is flush
with the inside of the flue liner. Seal the joint between the pipe
and the liner.
■
Masonry chimneys serving fireplaces cannot be used for
venting purposes unless the fireplace opening is permanently
sealed.
■
A vent connector serving this appliance must not be
connected into any portion of mechanical draft systems
operating under positive pressure.
■
The vent pipe must not be connected to a chimney flue
serving a solid fuel appliance.
■
A manual damper, barometric draft regulator, or flue restrictor
must not be installed between the furnace and the chimney.
■
Where local experience indicates that condensate may be a
problem, the vent shall be constructed to avoid condensation
from entering the combustion blower. Provision shall be
made to drain off the condensate.
■
All unused chimney openings should be closed.
■
Multistory venting is allowed as permitted by the National
Fuel Gas Code or local codes.
■
Install all vents in accordance with the vent manufacturer’s
instructions. For unlisted materials, install in accordance with
the National Fuel Gas Code.
■
Vent terminals must be installed in accordance with the vent
terminals listing or in accordance with the National Fuel Gas
Code, ANSI Z223.1/NFPA 54 (latest edition), and local codes.
A. Cleanout
B. Liner
C. Lined masonry chimney
A
B
C
A. Factory-built chimney
B. Cleanout
A
B