Bradford White TW4-75S-76B-3N - 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 Sch. 40, 80 (ASTM D-
1785)
 PVC Cellular Core (ASTM-
F891)
 PVC DWV (ASTM-D2665)
 CPVC Sch. 40, 80 (ASTM-
F441)
 CPVC (ASTM D2846)
 ABS Sch. 40 DWV (ASTM
D2661)
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 Cement (ASTM D-2564)
 CPVC Cement (ASTM F493)
 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