Installation / Operation Instruction Manual

Venting continued-

Vent pipes serving power vented appliances are classified by building codes as

“vent connectors”. Required clearances from combustible materials must be

provided in accordance with information in this manual under LOCATION OF

WATER HEATER and CLEARANCES, and with National Fuel Gas Code and

local codes.

Clearance to combustibles for all venting pipes

and terminals

For installations in the US

0” minimum

For installations in Canada

Refer to vent pipe and terminal

manufacturer’s installation instructions

for clearances to combustibles

DO NOT use the placement of insulation or other materials in the required clearance

spaces surrounding the venting to combustible material unless otherwise specified.

WARNING

Risk of carbon monoxide poisoning or fire due to joint separation

or pipe breakage.

This water heater must be properly vented and connected to an

approved vent system in good condition. DO NOT operate water heater

with the absence of an approved vent system. A clean and

unobstructed vent system is necessary to allow noxious fumes that

could cause injury or loss of life to vent safely and will contribute toward

maintaining the water heater’s efficiency. The acceptance of the venting

system is dependent upon full compliance with these installation

instructions.

Venting system must not pass through rated fire separations.

The venting system must be free to expand and contract. This venting

system must be supported in accordance with these instructions.

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.