International comfort products H8UH5050B12C2 Installation Instructions Manual page 14

Figure 9
For additional requirements refer to the National Fuel Gas Code NFPA 54/ANSI Z223.1--2006 and ANSI/NFPA 211--2006 Chimneys, Fire-
places, Vents, and Solid Fuel Burning Appliances in the U.S.A. or to the Canadian Installation Code CSA B149.1--05 in Canada.
Crown
condition:
Missing mortar
or brick?
No
Is
Chimney properly
lined with clay tile
liner?
Yes
Is
liner and top
seal in good
condition
Yes
Debris in
cleanout? Mortar, tile,
metal vent, fuel oil
residue?
No
Clay
tile misalignment,
missing sections,
gaps?
No
Condensate
drainage at bottom
of chimney?
No
Chimney
exposed to outdoors
below roof line?
No
Chimney is
acceptable for use
14
CHIMNEY INSPECTION CHART
Yes
Rebuild
crown
No
Repair
Reline
liner or top seal
No
or reline chimney as
necessary.
Repair
Yes
Mortar or
tile debris?
Remove metal vent or liner.
No
Yes
No
Is Chimney
Yes
lined with properly
sized, listed liner or
Type--B vent?
Yes
Is Chimney to
be dedicated to a
Yes
single furnace?
Specifications are subject to change without notice
Yes
Remove mortar
and tile debris?
Consult
Part B of chimney
Not Suitable
adapter venting
instructions for
application
suitability.
Suitable
Yes
Install chimney
adapter per
instructions.
Not Suitable
Consult
Part C of chimney
No
adapter venting
instructions for
application
suitability.
Line chimney with properly
sized, listed flexible metal
liner or Type--B vent per NFGC or
NSCNGPIC Vent Sizing Tables
and liner or vent manufacturer's
installation instructions.
Suitable
Install chimney
adapter per
instructions.
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