W415-0973 / B / 08.28.13
14
IOM
IOM
7.2 ACCEPTABLE MATERIALS IN UNITED STATES
7.0 VENTING AND COMBUSTION PIPING
7.1 ACCEPTABLE MATERIALS IN CANADA
H3.10
READ, UNDERSTAND AND FOLLOW ALL INSTRUCTIONS IN THIS SECTION. FAILURE TO
PROPERLY VENT OR SUPPLY COMBUSTION AIR TO THIS FURNACE CAN CAUSE CAR-
BON MONOXIDE POISONING, OR AN EXPLOSION OR FIRE, RESULTING IN PROPERTY
DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
WARNING
!
!
H11.1
Effective August 1, 2007, all vent piping materials and fi ttings for fl ue gas venting must be ULC S636 listed
and identifi ed as such on the material. The fi rst 3ft. (900mm) of venting must be readily available for visual
inspection. Specifi ed primers and glues of the certifi ed vent system must be from a single system manufacture,
and not intermixed with other system manufacture’s vent system parts. The components of the certifi ed vent
system must not be interchanged with other vent systems, or unlisted pipe, and or fi ttings. Follow the venting
manufacturers instructions on installation, cutting, de-burring, cementing, curing and supporting of the venting
system.
This furnace must be vented with ULC S636 certifi ed:
• PVC (Polyvinyl Chloride), OR
• PPE (Polypropolene) material
with a rating of 149°F (65ºC) or more.
The combustion air piping does not have fl ue gases travelling through it and may be installed with common
ABS, PVC or CPVC piping or fi ttings. This piping, fi ttings, primer and cement will need to be installed as per
the manufacturers instructions including cementing, cutting, curing and supporting the piping.
H11.2
For United States installations, the combustion air and vent piping and fi ttings may be comprised of:
• Schedule 40 PVC, ASTM D1785 or CSA B137.3
• PVC-DWV, ASTM D2665 or CSA B181.2
• Schedule 40 CPVC, ASTM F441 or CSA B137.6
• PVC PRIMER AND SOLVENT CEMENT: ASTM D2564
• PPE ULC S636
Follow piping manufacturers instructions on proper installation of piping and fi ttings including cutting, deburring
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