Bradford White URG140T10N-394 Manual page 8

Ultra low nox gas-fired water heater
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Installation (Locating The Water Heater) continued-
DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE
NOT CERTAIN OF THE FOLLOWING:
Liquefied petroleum gases/propane gas and natural gas have an
odorant added by the gas supplier that aids in detection of the
gas.
Most people recognize this odor as a "sulfur" or "rotten egg" smell.
Other conditions, such as "odorant fade" can cause the odorant to
diminish in intensity, or "fade", and not be as readily detectable.
If you have a diminished sense of smell or are in any way unsure
of the presence of gas, immediately contact your gas supplier
from a neighbor's telephone.
Gas detectors are available. Contact your gas supplier or
plumbing professional for more information.
Proper venting practices must be considered when selecting a location for this
water heater. For exact venting specifications, please consult the Venting
section of these Installation and Operating Instructions.
This water heater must be located in an area where leakage of the tank, water
line connections, or the combination temperature and pressure relief valve will
not result in damage to the area adjacent to the water heater or to lower floors
of the structure. When such locations cannot be avoided, a suitable drain pan
must be installed under the water heater. The drain pan must have a
minimum length and width of at least 4 inches (10.2 cm) greater than the
diameter of the water heater and must not restrict proper combustion air flow
to the water heater. The drain pan, as described above, can be purchased
from your plumbing professional. The drain pan must be piped to an adequate
drain. The piping must be at least ¾ inch (1.9 cm) in diameter and pitched for
proper drainage.
It is recommended that a minimum clearance of 4 inches (10.2 cm) be
provided on the side of the water heater for servicing and maintenance of the
combination temperature and pressure relief valve.
WARNING
8

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