10
C. CLEARANCES FOR SERVICE ACCESS
Figure 1
If you do not provide the minimum clearances shown, it might not be possible to service the heater
without removing it from the space.
The space must be provided with combustion/ventilation air openings correctly sized for all other
appliances located in the same space as the heater. The heater cover must be securely fastened to
prevent the heater from drawing air form the heater room. This is particularly important if the heater is in a
room with other appliances. Failure to comply with the above warnings could result in substantial property
damage, severe personal injury, or death.
D. RESIDENTIAL GARAGE INSTALLATION
PRECAUTIONS
If the heater is located in a residential garage, per ANSI Z223.1:
• Mount the bottom of the heater a minimum of 18” above the floor of the garage, to ensure the
burner and ignition devices are well off the floor.
• When raising the heater, fully support the entire bottom of the appliance.
• Locate or protect the heater so it cannot be damaged by a moving vehicle.
E. EXHAUST VENT AND INTAKE AIR VENT
The heater is rated ANSI Z21.10.3 Category IV (pressurized vent, likely to form condensate in the vent)
and requires a special vent system designed for pressurized venting.
NOTE: The venting options described here (and further detailed in Venting, Part 8 in this manual)
are the lone venting options approved for this water heater. Failure to vent the water heater in
accordance with the provided venting instructions will void the warranty.
Failure to vent the water heater properly will result in serious personal injury or death.
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