Direct Vent Installation of Vent/Air Piping
8
Vent Piping Materials - Category I
The vent materials must meet the listed require-
ments in this manual. Failure to comply with these
material requirements could result in severe person-
al injury, death or substantial property damage.
Piping and Fittings
-
B-Vent
-
Approved Metal Chimney Lining System
-
Other approved Gas Vent Systems Per NFPA 54
and/or NFPA 211 or CSA B149 for Canada.
DO NOT mix vent components from different vent
systems. Ensure all piping and fittings, joints are
sealed and secured. Failure to comply with these
requirements could cause vent failure resulting in
leakage of flue products into the living space sur-
rounding the appliance.
Vent Piping Materials - Category III, IV and Direct
Vent
The vent materials must meet the listed require-
ments in this manual. Failure to comply with these
material requirements could result in severe person-
al injury, death or substantial property damage.
3” Diameter AL29-4C® Piping and Fittings
The following is a list of approved vent manufactures
and vent systems:
-
Heat-Fab (Saf-T-Vent®)
-
ProTech Systems (Fas NSeal®)
-
Flex-L (Star-34)
-
Z-Flex (Z-Vent III™)
-
Metal-Fab, Inc (Corr Guard)
WARNING
WARNING
WARNING
Combustion Air Piping and Materials -Direct Vent
The combustion air materials must meet the listed
requirements in this manual. Failure to comply with
these material requirements could result in severe
personal injury, death or substantial property dam-
age.
3” Diameter Combustion Air Piping and Fittings
-
PVC Schedule 40 - ANSI/ASTM D1785
-
PVC-DWV - ANSI/ASTM D2665
-
CPVC Schedule 40 - ANSI/ASTM F441
-
ABS-DWV Schedule 40 - ANSI/ASTM D2661
-
Galvanized Metal Vent
-
Flexible Metal Vent
Pipe Cement and Primer
-
PVC - ANSI/ASTM D2564
-
CPVC - ANSI/ASTM F493
-
ABS - ANSI/ASTM D2235
For installations in Canada, all piping, fittings and
cement/primer material must comply with CSA or
ULC certification.
DO NOT mix components from different systems.
Seal all piping and fittings.
NOTICE
NOTICE
WARNING
