American Water Heater GAS-FIRED COMMERCIAL WATER HEATER - Manual (Page 8)

8
Installation continued-
Minimum Clearances
WARNING
Failure to adhere to these installation and operating instructions may
create a hazard to life and property and will nullify the warranty.
This installation shall allow access to the front of the water heater and
adequate clearance shall be provided for servicing and operating this water
heater. The water heater may be installed on either a combustible or non-
combustible floor. If the water heater is to be installed directly on carpeting, it
shall be installed on top of a metal or wood panel (or equivalent) extending
beyond the full width and depth of the appliance by at least three (3) inches
(7.6 cm) in any direction or, if the appliance is to be installed in an alcove or
closet, the entire floor shall be covered by the panel. The minimum
clearances to combustibles for this water heater are given in the tables on
pages 10 through 13. A minimum of 24 inches front clearance shall be
provided for inspection and servicing.
If it is necessary to install this water heater in an alcove on combustible
flooring with clearances from combustible materials as shown in the tables on
pages 10 through 13.
Installation (Minimum Clearances) continued-
CAUTION
The National Fuel Gas Code (ANSI Z233.1-or latest edition) and
CAN/CGA (B149.1-or latest edition), expressly prohibits the following:
a) Installation of a water heater in a bathroom, bedroom, or any
occupied room normally kept closed.
b) Installation of a water heater in a garage, unless the unit is
installed so that the burner and ignition devices are at least
eighteen (18) inches (45.8 cm) above floor level and protected
to avoid damage by a moving vehicle.
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