Bradford White TW4-75S-76B-3X - Manual (Page 11)

11
Venting continued-
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