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Table 12 – Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials (USA Installations)
MATERIALS
USA
1. All pipe, fittings, primers*, and solvents* must conform to American National Standards Institute (ANSI) standards and
American Society for Testing and Materials (ASTM) standards or ULC S636 where required by code.
2. See Table below for approved materials for use in the U.S.A.
3. ULC S636 vent systems must be composed of pipe, fittings, cements, and primers from the same supplier.
4. Factory accessory concentric vent kits are ULC S636 listed.
CANADA
1. Installation in Canada must conform to the requirements of CAN/CSA B149 code.
2. Vent systems must be composed of pipe, fittings, cements, and primers from the same supplier and listed to ULC S636.
3. Not all materials below may be approved or listed to ULC S636.
4. Royal Pipe and IPEX are approved suppliers of ULC S636 pipe, fittings, cements and primers*.
5. Factory accessory concentric vent kits are ULC S636 listed for use with Royal Pipe and IPEX venting systems
Material
Description
Type
ASTM or ULC Specification
Pipe
Solvents/Primers**
Cements
PVC
Pressure Pipe
Schedule 40
D1785
D2466
or
D2665
F656
D2564
DWV
Schedule 40
D1785/D2665
Cellular Core
Schedule 40
F891
SDR 26
N/A
D2241
SDR 21
N/A
D2241
IPEX
Schedule 40
ULC S636
ULC S636
ULC S636
ULC S636
Royal Pipe
Schedule 40
ULC S636
ULC S636
ULC S636
ULC S636
ABS
ABS
Schedule 40
D1527
D2468
Clear Cleaner For ABS†
D2235
DWV--IPS Sizes
Schedule 40
D2661
D2661
Cellular Core DWV--IPS Sizes
Schedule 40
F628
CPVC
Pressure Pipe
Schedule 40
F441
F438
F656
F493
SDR
N/A
F442
N/A
IPEX
Schedule 40
ULC S636
ULC S636
ULC S636
ULC S636
Royal Pipe
Schedule 40
ULC S636
ULC S636
ULC S636
ULC S636
*PVC and ABS pipe may use either DWV or pressure rated fittings.
**Colored or tinted solvents or primers must be used where required by code in the USA
†ABS plastic does not require a primer before solvent cementing. A cleaner for ABS is recommended to remove any surface residue. ABS
cleaners are not subject to ASTM standards.
Polypropylene
Approved Manufacturer
Solvents Primers
Cements
Poly
Pro®
M & G Dura Vent
Not Permitted
NOTE: Polypropylene vent systems are UL
−
1738 and ULC S636 listed and assembled using mechanical fastening systems supplied by the
vent manufacturer.
Venting Systems
CARBON MONOXIDE POISONING HAZARD
Failure to follow the instructions outlined below for each
appliance being placed into operation could result in carbon
monoxide poisoning or death.
For all venting configurations for this appliance and other gas
appliances placed into operation for this structure, provisions
for adequate combustion, ventilation, and dilution air must be
provided in accordance with:
USA Installations
:
Section 9.3 current edition of NFPA
54/ANSI Z223.1, Air for Combustion and Ventilation and
applicable provisions of the local building codes.
Canadian Installations
:
Part 8 of current edition of
CAN/CSA--B149.1. Venting Systems and Air Supply for
Appliances and all authorities having jurisdiction.
!
WARNING
RECOMMENDED SUPPORT FOR
VENT TERMINATION
It is recommended that sidewall vent terminations of over 24
inches (0.6 M) in length or rooftop vent terminations of over
36 inches (1 M) in length be supported by EITHER the
factory accessory vent termination kit or field--supplied
brackets or supports attached to the structure. A factory
accessory vent termination kit may be used for direct vent
terminations. Termination kits are available for 2--in. or 3--in.
pipe. See Table 13 for available options.
NOTICE