4
3. Check surroundings of water heater.
Remove any combustible materials, gasoline, and other flammable liquids.
WARNING
Failure to keep the water heater area clear and free of combustible materials, liquids, and vapors can result in
substantial property damage, severe personal injury, or death.
4. If the water heater is to replace an existing heater, check for and correct any existing system problems, such
as:
• System leaks
• Location that could cause the system and heater to freeze and leak
• Incorrectly sized expansion tank
5. Clean and flush system when reinstalling a heater.
Do not connect the water heater to any heating systems or components that have been previously used for
nonpotable applications. Do not introduce toxic chemicals, such as antifreeze or water heater treatments,
into the water heater or any piping meant for potable purposes. Ensure that all piping and components
connected to the water heater are suitable for potable water applications. Do not use this water heater for
space heating applications.
CAUTION
The
water heater must be installed level in order for the condensate to properly flow out the collection system.
CAUTION
Installation Clearances
Outdoor Installation Clearances
[ Table 1 ]
Minimum
Clearances
Installation Clearances
from Non-Combustibles
Recommended Service
and Proper Operation
Clearances
Top of appliance
36 in (900mm)
Back of appliance
5/8 in (15.9mm)
Front of appliance
24 in (600mm)
24 in (600mm) or more
Side of appliance
3 in (75mm)
Bottom of appliance
12 in (304.8mm)
Note:
The outdoor enclosure for this appliance
is approved for zero clearance to
combustible construction.
If the water heater is installed in a
narrow space or corner ensure that there
is sufficient space for service.
In multiple water heater installations,
ensure a minimum clearance of 36" from
the top of one water heater to the bottom
of the next water heater, and a minimum
clearance of 3" from the side of water
heater to the next water heater.
