Bradford White TTW URG2PV75H6N, Manual

Page: 11 / 40

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 DWV (ASTM D-2665)

PVC Sch. 40, 80, 120 (ASTM-
D1785)

CPVC Sch. 40, 80 (ASTM-
F441)

CPVC (ASTM D2846)

ABS Sch. 40 DWV (ASTM
D2661)
For installations in CANADA

ULC S636 approved PVC for
flue gas venting rated Class II,
65°C

ULC S636 approved CPVC for
flue gas venting rated Class II,
65°C
Approved Primers and Cements
For installations in the US only

PVC and CPVC Primer (ASTM-
F656)

PVC Cement (ASTM D-2564)

CPVC Cement (ASTM F493)

ABS Primer and Cement
(ASTM D-2235)
For installations in CANADA

ULC S636 approved Primer and
Cement for flue gas venting
rated Class II, 65°C
NOTICE
Use of cellular core PVC (ASTM F891), cellular core CPVC, or Radel ®
(polyphenosulfone) in non-metallic venting systems is prohibited, and
covering non-metallic venting with thermal insulation is prohibited.