Bradford White URG2PV50T6N, Manual

Page: 10 / 48

10
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 “Locating the Water Heater” and
“Minimum 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 the CANADA
Refer to vent pipe and terminal
manufacturer’s installation instructions
for clearances to combustibles
DO NOT place insulation or other materials in the required clearance spaces
between 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.