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NOTICE
Single Wall Polypropylene venting systems that are listed on the Bradford White website are approved for use in the
water heaters covered in this instruction manual. The venting system components are ULC S636 approved and listed
by a recognized agency and may be installed in the U.S. and Canada. Complete instructions for the approved venting
systems can be found on the Bradford White website, bradfordwhite.com or by calling the Technical Service
Department at:800-334-3393.
WARNING
The approved polypropylene venting system Instruction Supplement listed on the Bradford White website for each
manufacturer’s venting system must be carefully read and followed by a qualified installer. Failure to properly install the
vent system may result in property damage, personal injury, or death.
NOTICE
For installations in Canada, field supplied vent piping must comply with CAN/CGA B149.1 (latest edition) and be
certified to the Standard For Type BH, Class II, 65°C, Gas Venting Systems, ULC S636. Components of this listed
system shall not be interchanged with other vent systems or unlisted pipe/fittings. All components and specified primers
and cements of the certified vent system must be from a single system manufacturer and not intermixed with other
system manufacturer’s vent system parts. The supplied vent connector and vent termination are certified under ULC
S636 and are also certified as part of the water heater. Refer to the following tables for approved venting materials,
primers, and cements. All approved primers and cements are to be used within their marked time limitations.
Approved Venting Materials
For installations in the US only
PVC (ASTM D-2241 Schedule 40, ASTM D-1785;
or Cellular Core Schedule 40 DWV, ASTM F-891)
CPVC (ASTM F-411 Schedule 40)
ABS (ASTM D-2235)
All fittings (other than the components supplied
with the water heater) should be equivalent to:
PVC-DWV (ASTM-F-2665), CPVC (ASTM F-438),
or ABS (ASTM D-266/3311)
For installations in CANADA
ULC S636 approved CAN-COM VENTING
SYSTEM schedule 40 PVC for flue gas venting
rated Class II, 65°C (components provided with
water heater)
IPEX ULC S636 approved schedule 40 PVC (all
other vent pipe/ fittings)
Approved Primers and Cements
For installations in the US only
PVC and CPVC Primer (ASTM F-656)
PVC and CPVC Cement (ASTM D-2564)
ABS Primer and Cement (ASTM D-2235)
For installations in CANADA
IPEX ULC S636 approved PVC Primer and
Cement for flue gas venting rated Class II, 65°C
NOTICE
Before beginning installation of any vent pipe, read the vent pipe manufacturer’s installation instructions.
Do not install the water heater in any location where the ambient temperature may fall below freezing. Water heater
must be protected from freezing downdrafts during shutdown periods.
Provide protection of the building materials from degradation by flue gases from the exhaust vent terminal.