Installation / Operation Instruction Manual

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.