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Installing the water heater.
This water heater must be installed in accordance with these instructions, local codes, utility company
requirements, and/or in the absence of local codes, use the latest edition of the American National
Standard/National Fuel Gas Code. A copy can be purchased from either the American Gas Association,
1515 Wilson Blvd., Arlington, VA 22209 as booklet Z223.1 or National Fire Prevention Association,
Batterymarch Park, Quincy, MA 02269 as booklet NFPA No. 54.
Location
The water heater should not be located
in an area where leakage of the tank or
connections will result in damage to the
area adjacent to it or to lower floors of
the structure.
When such areas cannot be avoided,
it is recommended that a suitable
nonflammable catch pan, adequately
drained, be installed under the water
heater.
The pan MUST NOT restrict combustion
air flow to the bottom of the water
heater.
Catch pan kits are available in 16″, 19″,
22″, 24″ and 26
1
/2″ from the store where
the water heater was purchased, or any
water heater distributor.
A gas-fired water heater should not be
installed in a space where liquids which
give off flammable vapors are to be used
or stored. Such liquids include gasoline,
LP gas (butane and propane), paint or
adhesives and their thinners, solvents
or removers.
Because of natural air movement
in a room or other enclosed space,
flammable vapors can be carried some
distance from where their liquids are
being used or stored. The water heater’s
spark ignitor or main burner can ignite
these vapors, causing an explosion or
fire which may result in severe burns,
death or property damage.
For these reasons, installation of a
gas-fired water heater in a garage is not
recommended.
Raising the gas-fired water heater will
reduce, but not eliminate, the possibility
of lighting the vapor of any flammable
liquids which may be improperly stored
or accidentally spilled.
Stand kits to raise the water heater
18″ above the floor are available from
the store where the water heater was
purchased, or any water heater
distributor. These kits must comply
with local codes. Request “Stand Kit,
Part Number AS-29061.”
The water heater must be located so
it is not subject to physical damage,
for example, by moving vehicles, area
flooding, etc.
● The water heater should be installed
so as to minimize the length of
plastic vent pipe and the number of
vent elbows required. (See “Venting”
later in this section for specific
limitations.)
● 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.
● Do not install the water heater in
bathrooms, bedrooms, any occupied
rooms normally kept closed, or in
outdoor unprotected areas.
● Minimum clearance from combustible
construction is 0″ sides and rear;
3″ from front of control enclosure;
12″ from the top. If the clearances
stated on the Instruction/Warning
Label located on the front of the
heater differ, install the water heater
according to the clearances stated
on the label.
● The water heater may be installed on
combustible floors, but not directly on
carpeting. If the water heater must be
installed on carpeting, place a metal
or wood panel beneath the water
heater, extending beyond its full width
and depth at least 3″ in all directions.
● If the water heater is installed in an
alcove or closet, the entire floor must
be covered by a wood or metal panel.
A minimum of 24″ clearance from the
front and top should be available for
adequate inspection and servicing.
WARNING: Combustible
construction refers to adjacent
walls and ceilings and should not
be confused with combustible or
flammable products and materials.
Combustible and/or flammable
products and materials should
never be stored in the vicinity of
this or any gas appliance.
NOTE: The auxiliary catch
pan installation MUST
conform to local codes.
B
A
7
Safety Instructions Installation Instructions Operating Instructions Care and Cleaning Troubleshooting Tips Customer Service
WARNING: If a location
in a garage is the only
alternative, the gas water
heater should be installed
so that the spark ignitor
and main burner are no
less than 18″ above
the garage floor, unless
specifically exempted from
this by local code, rule,
regulation or custom.
A–Diameter of
water heater
plus 2″ min.
B–Maximum of 2″
To open
drain, line
should be
at least
3/4″ ID
and
pitched
for proper
drainage.
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