Bradford White TW4-75S-76B-3N - Manual (Page 10)

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 LOCATION OF
WATER HEATER and CLEARANCES, and with National Fuel Gas Code and
local codes.
All vent pipes and terminals are to have a 1” minimum clearance 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
Single Wall Polypropylene venting systems that are listed on the Bradford
White website are approved for use in the water heaters covered in this
instruction manual. The venting system components are ULC S636 approved
and listed by a recognized agency and may be installed in the U.S. and
Canada. Complete instructions for the approved venting systems can be found
on the Bradford White website, bradfordwhite.com or by calling the Technical
Service Department at:800-334-3393.
WARNING
The approved polypropylene venting system Instruction Supplement listed on
the Bradford White website for each manufacturer’s venting system must be
carefully read and followed by a qualified installer. Failure to properly install the
vent system may result in property damage, personal injury, or death.