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7
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, 400 N. Capitol
Street NW, Washington, DC 20001 as ANSI standard Z223.1 or National Fire Protection Association, 1
Batterymarch Park, Quincy, MA 02269 as booklet NFPA 54.
Location
The water heater should not be located
in an area where leakage from the tank
or connections will result in damage to
the area adjacent to the heater or to lower
floors of the structure.
When such areas cannot be avoided it is
recommended that a suitable catch pan,
adequately drained, must be installed
under the water heater.
The water heater must be centered in the
catch pan.
Catch pan kits are available from the store
where the water heater was purchased, or
any water heater distributor.
Make certain the floor underneath the
water heater is strong enough to
sufficiently support the weight of the water
heater once it is filled with water.
A gas fired water heater or any other
appliance 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 or propane), paint or adhesives
and their thinners, solvents or removers.
DO NOT obstruct or block the
Flammable Vapor Sensor.
Because of natural air movement in a
room or other enclosed space, flammable
vapors can be carried some distance from
where liquids which give off flammable
vapors are to be used or stored. The open
flame of the water heater’s main burner
can ignite these vapors and create a shut
down condition of the water heater
which will not allow the water heater
to ignite until examined by a Qualified
Service Technician.
FVIR certified gas water heaters can be
installed on a residential garage floor
without the use of an 18-inch stand in
accordance with the National Fuel Gas
Code, NFPA 54, ANSI Z223.1, unless
otherwise directed by State and Local
code requirements. The water heater must
be located so it is not subject to physical
damage, for example, by moving vehicles,
area flooding, etc.
● DO NOT install the water heater in
a location where it may be subjected
to ambient temperatures exceeding
125°F.
● The water heater should be installed so
as to minimize the length of vent and
combustion air-inlet pipe(s) and the
number of vent and combination air-
inlet connection fittings required.
● Hot water lines should be insulated to
conserve water and energy.
● The water heater should be installed
close to a condensate drain.
● The water heater, condensate lines, and
water lines should be protected from
exposure to freezing temperatures.
● DO NOT install this water heater
outdoors.
● Minimum clearance from combustible
construction:
* "Front" clearance dimension is measured
from front of control to the closet door.
** "Top" clearance dimension is measured
from the top pan of the water heater to the
ceiling.
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.
● 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.
● 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.
The auxiliary catch pan
installation MUST conform
to local codes.
Diameter of
water heater
plus 2” min.
Max.
2.75”
!
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.
Front* Side Rear Top**
0" 0" 0” 12”
NOTICE: DO NOT allow
the flammable vapor sensor
to become submerged in
water. Make sure the catch
pan is properly drained.
Flammable
Vapor Sensor
NOTICE: DO NOT allow
the catch pan to obstruct
the flammable vapor sensor.
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