16
INSTALLATION INSTRUCTIONS
General
• Every vent or air intake pipe penetration of a floor
or ceiling should be sealed.
• Failure to install and properly vent the water heater
to the outdoors as outlined on "Venting" can result
in unsafe operation.
• Long hot water lines should be insulated to
conserve water and energy.
• The water heater and water lines should be
protected from exposure to freezing temperatures.
• Minimum water heater clearances from
combustible and noncombustible construction are
as follows:
– 1/2 in. (1.3 cm) for sides and front
– 0 in. (0 cm) for rear with support bracket(s)
– 12 in. (30 cm) from the bottom and top
– 0 in. (0 cm) for vent or air intake pipe
NOTICE:
Preferred maintenance clearance is 24 in. (61 cm)
from top, bottom, and front of unit.
12" min.
(300 mm)
12" min.
(300 mm)
0" min.
(0 mm)
1/2" min.
(13 mm)
1/2" min.
(13 mm)
0"
(0 mm)
• DO NOT install the water heater in areas
prohibited by National Fuel Gas Code in
U.S. installation or CAN/CSA B149.1 in
Canadian installation.
• DO NOT install the water heater where it
is subject to vibrations.
• DO NOT install the water heater in a
recreational vehicle, boat, or other
watercraft.
• DO NOT install the water heater near
vents for heating and cooling unless
a minimum clearance of 4 ft (1.2 m) is
maintained.
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