Bradford White D-4-504S6FSX User Manual
Page 9
 
9
Installation (Locating the Water Heater) continued-
WARNING
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 in. (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 3/4 in. (1.9 cm) in diameter and pitched for proper 
drainage. 
 
It is recommended that a minimum clearance of 4 in. (10.2 cm) be provided on 
the side of the water heater for servicing and maintenance of the combination 
temperature and pressure relief valve.