Installation / Operation Instruction Manual

10
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 Sch. 40 (ASTM D-2665)
PVC Sch. 40 (ASTM-D1785)
CPVC Sch. 40 (ASTM-F441, ASTM-
D2846)
PVC and CPVC (UL 1738, ULC
S636)
ABS Sch. 40 DWV (ASTM D2661)
Polypropylene (UL 1738, ULC S636)
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
ULC S636 approved
Polypropylene 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.