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!
Use & Care Manual
WARNING: This water heater is not suitable for
With Installation Instructions for the Installer
use in manufactured (mobile) homes!
Compliant with South Coast Air Quality Management District Rule 1146 14 ng/J NOx Emissions
Low NOx Emissions
Gas Water Heaters
FVIR Certified
The purpose of this manual is twofold: one, to provide the installer with the basic directions and
recommendations for the proper installation and adjustment of the water heater; and two, for the owner–
operator, to explain the features, operation, safety precautions, maintenance and troubleshooting of the
water heater. This manual also includes a parts list.
It is imperative that all persons who are expected to install, operate or adjust this water heater read the
instructions carefully so they may understand how to perform these operations. If you do not understand
these instructions or any terms within it, seek professional advice.
Any questions regarding the operation, maintenance, service or warranty of this water heater should
be directed to the seller from whom it was purchased. If additional information is required, refer to the
section on “If you need service.”
Do not destroy this manual. Please read carefully and keep in a safe place for future reference.
Recognize this symbol as an indication of Important Safety Information!
!
!
!
California Proposition 65 Warning: This product contains chemicals known to the State of
California to cause cancer, birth defects or other reproductive harm.
ARNING: If the information in these instructions is not followed exactly,
W
a fire or explosion may result causing property damage, personal injury or death.
! FOR
YOUR SAFETY!
— Do not store or use gasoline or other
flammable vapors or liquids or other
combustible materials in the vicinity of this or
any other appliance. To do so may result in an
explosion or fire.
— WHAT TO DO IF YOU SMELL GAS
● Do not try to light any appliance.
● Do not touch any electrical switch; do not
use any phone in your building.
● Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
● If you cannot reach your gas supplier, call
the fire department.
● Do not return to your home until authorized
by the gas supplier or fire department.
— Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, personal injury, or death . Refer to
this manual. Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.
DO NOT RETURN this water heater to the store or place of purchase.
DESIGN
If you need technical or installation assistance, please call the Technical Support
Lines at 1-800-432-8373.
CER
TIFIED
®
AP16412-1 (03/17)
Safety Information
Safety Precautions. . . . . . . 3–6
LP Gas Models . . . . . . . . . . . . 5
FOR YOUR RECORDS
Write the model and serial numbers here:
#
Installation Instructions
Location. . . . . . . . . . . . . . . . . . 7
Water Supply Connections. . . 9
Gas Supply. . . . . . . . . . . . . . . 11
#
You can find them on a label on the appliance.
Staple sales slip or cancelled check here.
Proof of the original purchase date is needed to obtain service under
the warranty.
Pipe Insulation. . . . . . . . . . . . 13
Heat Traps . . . . . . . . . . . . . . . 13
Wiring Diagram . . . . . . . . . . 14
Installation Checklist. . . . . . . 17
Potable/Space Heating . . . . 18
Operating Instructions
Lighting Instructions. . . . . . 19
Water Temperature . . . . . 20, 21
READ THIS MANUAL
Inside you will find many helpful hints on how to use and
maintain your water heater properly. A little preventive care
on your part can save you time and money over the life of your
water heater.
You’ll find many answers to common problems in
the Troubleshooting Guide. If you review the chart of
Troubleshooting Tips first, you may not need to call for service.
READ THE SAFETY INFORMATION
Care and Cleaning
Draining. . . . . . . . . . . . . . . . 23
Maintenance. . . . . . . . . . . . . 23
Burner Inspection . . . . . . . . 24
Extended Shut-Down. . . . . . 24
Troubleshooting Tips
Before You Call
For Service. . . . . . . . . . . 25, 26
Your safety and the safety of others are very important. There
are many important safety messages in this manual and on your
appliance. Always read and obey all safety messages.
!
This is the safety alert symbol. Recognize this symbol as
an indication of Important Safety Information!
This symbol alerts you to potential hazards that can kill
or hurt you and others.
All safety messages will follow the safety alert symbol and
either the word “DANGER”, “WARNING”, “CAUTION” or
“NOTICE”.
These words mean:
An imminently hazardous situation ! DANGER
that will result in death or serious injury.
! WARNING
Customer Service
Parts List. . . . . . . . . . . . . . . . 31
If You Need Service . . . . . . . 32
! CAUTION
A potentially hazardous situation that could result in death or serious injury and/or damage to property.
A potentially hazardous situation that may result in minor or moderate injury.
NOTICE:
Attention is called to observe a specified procedure or maintain a specific condition.
2
IMPORTANT SAFETY INFORMATION.
READ ALL INSTRUCTIONS BEFORE USING.
Be sure to read and understand the entire Use and Care Manual before attempting to install or operate
this water heater. It may save you time and money. Pay particular attention to the Safety Instructions.
Failure to follow these warnings could result in serious bodily injury or death. Should you have
problems understanding the instructions in this manual, or have any questions, STOP, and get help
from a qualified service technician, or the local gas utility.
!
DANGER!
INSTALL THE DRAFT HOOD AND PROPERLY VENT THE
WATER HEATER…
Failure to install the draft hood and properly vent the water heater to the outdoors as
outlined in the Venting Section of the Installation Instructions in this manual can result in
unsafe operation of the water heater. To avoid the risk of fire, explosion, or asphyxiation
from carbon monoxide, never operate this water heater unless it is properly vented and
has an adequate air supply for proper operation. Be sure to inspect the vent system
for proper installation at initial start-up; and at least annually thereafter. Refer to the
Care and Cleaning section of this manual for more information regarding vent system
inspection.
!
WARNING!
Gasoline, as well as other flammable materials and liquids which include, but are not
limited to (adhesives, solvents, paint thinners etc.), and the vapors they produce are
extremely dangerous. DO NOT handle, use or store gasoline or other flammable or
combustible materials anywhere near or in the vicinity of a water heater or any other
appliance. Be sure to read and follow warning label pictured below and other labels on
the water heater, as well as the warnings printed in this manual. Failure to do so can
result in property damage, bodily injury or death.
!
FLAMMABLES
WARNING
Flammable Vapors
FIRE AND EXPLOSION HAZARD
!
Can result in serious injury or death.
Do not store or use gasoline or other flammable vapors and liquids
in the vicinity of this or any other appliance. Storage of or use of gasoline
or other flammable vapors or liquids in the vicinity of this or any other
appliance can result in serious injury or death.
3
IMPORTANT SAFETY INFORMATION.
READ ALL INSTRUCTIONS BEFORE USING.
!
DANGER!
WATER TEMPERATURE SETTING
Safety and energy conservation are factors to be considered when selecting the water
temperature setting of a water heater’s gas control. Water temperatures above 125°F
can cause severe burns or death from scalding. Be sure to read and follow the warnings
outlined on the label pictured below. This label is also located on the water heater.
Time/Temperature Relationship in Scalds
Water Temperature
120°F
125°F
130°F
135°F
140°F
145°F
150°F
155°F
Time To Produce a Serious Burn
More than 5 minutes
11/2 to 2 minutes
About 30 seconds
About 10 seconds
Less than 5 seconds
Less than 3 seconds
About 11/2 seconds
About 1 second
Table courtesy of Shriners Burn Institute
NOTICE: Mixing valves are available for reducing
point of use water temperature by mixing hot and
cold water in branch water lines. Contact a licensed
plumber or the local plumbing authority for
further information.
! DANGER: Hotter water increases the potential
for Hot Water SCALDS.
4
The chart shown above may be used as a guide
in determining the proper water temperature for your
home.
! DANGER: Households with small children, disabled,
or elderly persons may require a 120°F or lower gas control
(thermostat) setting to prevent contact with “HOT” water.
Maximum water temperatures occur just after the
burner has shut off. To find water temperature being
delivered, turn on a hot water faucet and place
a thermometer in the water stream and read the
thermometer.(See page 20 and 21 for more details.)
The temperature of the water in the heater can be
regulated by setting the temperature dial on the
front of the Combination Gas Control (thermostat).
To comply with safety regulations the Combination
Gas Control(thermostat) was set at its lowest setting
before the water heater was shipped from the factory.
he illustration on the following page details
T
the approximate water temperature for each
LED indicator of the Combination Gas Control
(thermostat).
Thermostat Water Temperature Details
VACATION
A
B
C
VERY
HOT
WARM
COOLER
HOTTER
! DANGER:
Hotter water increases the
potential for Hot Water SCALDS.
WARNING
Temperature Setting for
160°F Thermostat
Display
▼ABC
WARM = approx. 70°F (21°C)
▼ = approx. 120°F (49°C)
A = approx. 130°F (54°C)
B = approx. 140°F (60°C)
C = approx. 150°F (66°C)
C-Flashing = approx. 160°F (71°C)
B
D
C
E
Burns on Adult Skin
●○○○○○
-------------------○ ○ ● ○ ○ ○ More than 5 minutes
○ ○ ○ ● ○ ○ About 30 seconds
○ ○ ○ ○ ● ○ Less than 5 seconds
○ ○ ○ ○ ○ ● About 1-1/2 seconds
○ ○ ○ ○ ○ ● About 1/2 seconds
F
VERY
HOT
WARM
COOLER
HOTTER
! DANGER:
Hotter water increases the
potential for Hot Water SCALDS.
WARNING
Temperature Setting for
180°F Thermostat
▼ = approx. 120°F (49°C)
B = approx. 130°F (54°C)
C = approx. 140°F (60°C)
D = approx. 150°F (66°C)
E = approx. 160°F (71°C)
F = approx. 170°F (77°C)
F = approx. 180°F (82°C)
Display
▼B
CDEF
●○○○○○
●●○○○○
○●○○○○
○○●○○○
○○○●○○
○○○○●○
○○○○○●
Burns on Adult Skin
More than 5 minutes
About 30 seconds
Less than 5 seconds
About 1-1/2 seconds
About 1/2 seconds
-------------------------------------
5
IMPORTANT SAFETY INFORMATION.
READ ALL INSTRUCTIONS BEFORE USING.
!
DANGER!
LIQUEFIED PETROLEUM (LP)
AND NATURAL GAS MODELS
LP and Natural gas have an odorant added to aid in detecting a gas leak. Some people
may not physically be able to smell or recognize this odorant. If you are unsure or
unfamiliar with the smell of LP or natural gas, ask the gas supplier. Other conditions,
such as “odorant fade”, which causes the odorant to diminish in intensity, can also hide or
camouflage a gas leak.
● Water heaters utilizing LP gas are
different from natural gas models. A
natural gas water heater will not function
safely on LP gas and vice versa.
● No attempt should ever be made to
convert the water heater from natural gas
to LP gas. To avoid possible equipment
damage, personal injury or fire, do not
connect the water heater to a fuel type not
in accordance with the unit data plate. LP
for LP units. Natural gas for natural gas
units. These units are not certified for any
other fuel type.
● LP appliances should not be installed
below grade (for example, in a basement)
if such installation is prohibited by federal,
state and/or local laws, rules, regulations
or customs.
● LP gas must be used with great caution.
It is heavier than air and will collect first
in lower areas making it hard to detect at
nose level.
● Before attempting to light the water
heater, make sure to look and smell for
gas leaks. Use a soapy solution to check all
gas fittings and connections. Bubbling at
a connection indicates a leak that must be
corrected. When smelling to detect a gas
leak, be sure to sniff near the floor also.
● Gas detectors are recommended in LP
& natural gas applications and their
installation should be in accordance
with the detector manufacturer’s
recommendations and/or local laws, rules,
regulations or customs.
● It is recommended that more than one
method, such as soapy solution, gas
detectors, etc., be used to detect leaks in
gas applications.
6
! DANGER: If a gas leak is present or
suspected:
● DO NOT attempt to find the cause
yourself.
● DO NOT try to light any appliance.
● DO NOT touch any electrical switch.
● DO NOT use any phone in your building.
● Leave the house immediately and make
sure your family and pets leave also.
● Leave the doors open for ventilation and
contact the gas supplier, a qualified service
agency or the fire department.
● Stay away from the house (or building)
until the service call has been made, the
leak is corrected and a qualified agency
has determined the area to be safe.
WARNING!
For your safety, the information in this manual must be followed to minimize the risk of
fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of
life.
FOR INSTALLATIONS IN THE STATE OF CALIFORNIA
California Law requires that residential water heaters must be braced, anchored or
strapped to resist falling or horizontal displacement due to earthquake motions. For
residential water heaters up to 52-gallon capacity, a brochure with generic earthquake
bracing instructions can be obtained from: Office of the State Architect, 1102 Q Street,
Suite 5100, Sacramento, CA 95814 or you may call 916-445-8100 or ask a water heater
dealer.
However, applicable local codes shall govern installation. For residential water heaters
of a capacity greater than 52 gallons, consult the local building jurisdiction for acceptable
bracing procedures.
SAFETY PRECAUTIONS
Have the installer show you the location of the gas shut-off valve and how to shut it off
if necessary. Turn off the manual shut-off valve if the water heater has been subjected to
overheating, fire, flood, physical damage or if the gas supply fails to shut off.
● Read this manual entirely before installing
or operating the water heater.
●U
se this appliance only for its intended
purpose as described in this Use and Care
Manual.
● DO NOT attempt to repair or replace
any part of your water heater unless it is
specifically recommended in this manual.
All other servicing should be referred to a
qualified technician.
● Be sure your appliance is properly installed
in accordance with local codes and the
provided installation instructions.
READ AND FOLLOW THIS SAFETY INFORMATION
CAREFULLY.
SAVE THESE INSTRUCTIONS
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.
Max.
2”
Flammable
Vapor Sensor
Diameter of
water heater
plus 2” min.
The auxiliary catch pan
installation MUST conform
to local codes.
NOTICE: DO NOT allow the
flammable vapour sensor to
become submerged in water.
Make sure the catch pan is
properly drained.
Top View Alcove
Rear
Front Open
Sides
Top View Closet
Rear
Front Enclosed
8
Sides
! 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.
When such areas cannot be avoided it is
recommended that a suitable catch pan,
adequately drained, must be installed
under the water heater.
The pan must not restrict air flow
to the combustion air inlet openings
(perforation openings) located around the
lower perimeter of the water heater.
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 block or obstruct 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
• The water heater should be installed
as close as practical to the gas vent or
chimney.
• 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
unprotected outdoor areas.
• Minimum clearance from combustible
construction:
Location Front* Sides Rear Top**
3”
0”
0”
12”
Alcove
(7.6 cm) (0 cm) (0 cm) (30.5 cm)
Closet
3”
0”
0”
12”
(7.6 cm) (0 cm) (0 cm) (30.5 cm)
* " Front" Clearance dimension is
measured from the water heater jacket
to the closet door.
** "Top" clearance dimension is measured
from the jacket top 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.
Inspect Shipment
Carefully inspect the water heater for
damage before proceeding with the
installation. Of specific interest should
be any dents or damage to the blower or
plenum assembly. If you find damage,
DO NOT install or attempt any repair to
the water heater. Contact the manufacturer
as detailed under "IF YOU NEED
SERVICE" on page 32.
Combustion and Ventilation Air
Proper operation of the water heater
requires air for combustion and
ventilation. Provisions for combustion
and ventilation air must comply with
referenced codes and standards.
When installed in a closet, DO NOT block
or obstruct any of the combustion air inlet
openings located around the perimeter of
the outer door. A minimum of 1” is required
between these combustion air inlet openings
and any obstruction.
NOTICE: If the water heater is installed
in an unconfined space within a building
of conventional frame, masonry or metal
construction, infiltration air is normally
adequate for proper combustion and
ventilation. If the water heater is installed in
a confined space, provisions for combustion
and ventilation air must be made.
A confined space is one having a volume
of less than 50 cubic feet per 1000 Btuh
of the aggregate input of all appliances
within that space.
The air must be supplied through two
permanent openings of equal area. One
is to be located within 12” above the floor
and the other is to be located within 12”
from the ceiling.
The minimum net free area of each opening
must not be less than one square inch
per 1000 Btuh of the total input rating
of all the appliances in the enclosure
NOTICE: The water heater
should not be installed near
an air supply containing
halogenated hydrocarbons.
(but not less than 100 square inches), if
each opening communicates with other
unconfined areas inside the building.
Buildings of unusually tight construction
shall have the combustion and ventilation
air supplied from outdoors, or a freely
ventilated attic or crawl space.
If air is supplied from outdoors, directly or
through vertical ducts, there must be two
openings located as specified above and
each must have a minimum net free area
of not less than one square inch per 4000
Btuh of the total input rating of all the
appliances in the enclosure.
If horizontal ducts are used to
communicate with the outdoors, each
opening must have a minimum net free
area of not less than one square inch per
2000 Btuh of the total input rating of all
the appliances in the enclosure. If ducts
are used, the minimum dimensions of
rectangular air ducts shall not be less than
3”.
NOTICE: If the duct openings which supply
combustion and ventilation air are to be
covered with a protective screen or grill,
the net free area (openings in the material)
of the covering material must be used
in determining the size of the openings.
Protective screening for the openings MUST
NOT be smaller than 1/4”mesh to prevent
clogging by lint or other debris.
Corrosive Atmospheres
The air in beauty shops, dry cleaning
establishments, photo processing
labs, and storage areas for liquid and
powdered bleaches or swimming pool
chemicals often contain such halogenated
hydrocarbons.
An air supply containing halogenated
hydrocarbons may be safe to breathe,
but when it passes through a gas flame
corrosive elements are released that
will shorten the life of any gas burning
appliance.
Propellants from common spray cans
or gas leaks from A/C and refrigeration
equipment are highly corrosive after
passing through a flame.
The water heater warranty is voided when
failure of the heater is due to operation in
a corrosive atmosphere.
9
Installing the water heater.
Thermal Expansion
Determine if a check valve exists in the inlet
water line. Check with your local water
utility company. It may have been installed
in the cold water line as a separate back flow
preventer, or it may be part of a pressure
reducing valve, water meter or water softener.
A check valve located in the cold water inlet
line can cause what is referred to as a “closed
water system”. A cold water inlet line with no
check valve or back flow prevention device is
referred to as an “open” water system.
As water is heated, it expands in volume and
creates an increase in the pressure within the
water system. This action is referred to as
“thermal expansion”. In an “open” water
system, expanding water which exceeds the
capacity of the water heater flows back into
the city main where the pressure is easily
dissipated.
A “closed water system”, however, prevents
the expanding water from flowing back into the
main supply line, and the result of “thermal
expansion” can create a rapid and dangerous
pressure increase in the water heater and
IMPORTANT: Do not apply
heat to the HOT or COLD
water connections. If sweat
connections are used, sweat
tubing to adapter before
fitting adapter to the cold
water connections on heater.
Any heat applied to the cold
water supply fittings will
permanently damage the
dip tube and the heat traps
in the hot/cold nipples.
NOTICE: The National
Fuel Gas Code (NFGC)
mandates a manual
gas shut-off valve: See
(NFGC) for complete
instructions. Local codes
or plumbing authority
requirements may vary
from the instructions or
diagrams provided and
take precedent over these
instructions.
system piping. This rapid pressure increase can
quickly reach the safety setting of the relief
valve, causing it to operate during each heating
cycle. Thermal expansion, and the resulting
rapid, and repeated expansion and contraction
of components in the water heater and piping
system can cause premature failure of the relief
valve, and possibly the heater itself. Replacing
the relief valve will not correct the problem!
The suggested method of controlling thermal
expansion is to install an expansion tank in
the cold water line between the water heater
and the check valve (see illustration below).
The expansion tank is designed with an air
cushion built in that compresses as the system
pressure increases, thereby relieving the over
pressure condition and eliminating the repeated
operation of the relief valve. Other methods
of controlling thermal expansion are also
available. Contact your installing contractor,
water supplier or plumbing inspector for
additional information regarding this subject.
Water Supply Connections
Refer to the illustration below for suggested
typical installation. The installation of unions
or flexible copper connectors is recommended
on the hot and cold water connections so that
the water heater may be easily disconnected
for servicing if necessary. The HOT and COLD
water connections are clearly marked and are
1” NPT on all models. Install a shut-off valve
in the cold water line near the water heater.
Typical Installation
Vent connector to
chimney
Heat trap
6” minimum
Pitch up 1/4”
per foot
Union
Draft hood
Anode
Hot water outlet to
fixtures
Union
Water Heater Jacket
Temperature and
pressure relief valve
Manual gas shut-off
Shut-off
valve
Heat trap
6” minimum
To cold water
supply
To gas supply
Ground joint union
Sediment trap
Cap
Combination Gas Control
(thermostat)
Flammable Vapor Sensor
Shut-off valve
Thermal expansion
tank (if required)
Relief valve discharge
line to suitable open
Drain
drain.
valve
Jacket door
Auxiliary catch pan
10
Drain Pan Pipe to suitable drain.
6” Air gap
A new combination temperature and pressure relief valve, complying with the Standard for Relief Valves
and Automatic Gas Shut-Off Devices for Hot Water Supply Systems, ANSI Z21.22, is supplied and must
remain in the opening provided and marked for the purpose on the water heater. No valve of any type
should be installed between the relief valve and the tank. Local codes shall govern the installation of
relief valves.
Relief Valve
The pressure rating of the relief valve
must not exceed 150 PSI, the maximum
working pressure of the water heater as
marked on the rating plate.
The Btuh rating of the relief valve must
equal or exceed the Btuh input of the
water heater as marked on its rating plate.
Position the outlet of the relief valve
above a suitable open drain to eliminate
potential water damage. Piping used
should be of a type approved for hot water
distribution.
WARNING: The tank
must be full of water before
heater is turned on. The
water heater warranty does
not cover damage or failure
resulting from operation
with an empty or partially
empty tank.
The discharge line must be no smaller
than the outlet of the valve and must
pitch downward from the valve to allow
complete drainage (by gravity) of the
relief valve and discharge line.
The end of the discharge line should not
be threaded or concealed and should be
protected from freezing. No valve of
any type, restriction, or reducer coupling
should be installed in the discharge line.
To Fill the Water Heater
Make certain that the drain valve is
closed, then open the shut-off valve in the
cold water supply line.
Open each hot water faucet slowly to
allow the air to vent from the water
heater and piping.
A steady flow of water from the hot water
faucet(s) indicates a full water heater.
Condensation
Condensation can form on the tank
when it is first filled with water.
Condensation might also occur with a
heavy water draw and very cold inlet
water temperatures.
Drops of water falling on the burner can
produce a sizzling or pinging sound.
This condition is not unusual, and will
disappear after the water becomes heated.
If, however, the condensation continues,
examine the piping and fittings for
possible leaks.
11
Installing the water heater.
WARNING: Do not attempt to convert this water heater for use with a different type of gas other than the type
shown on the rating plate. Such conversion could result in hazardous operating conditions.
Gas Supply
The branch gas supply line to the water
heater should be clean properly sized
black steel pipe or other approved gas
piping material.
A union or ANSI design certified semirigid or flexible gas appliance connector
should be installed in the gas line close to
the water heater. The National Fuel Gas
Code (NFGC) mandates a manual gas
shut-off valve: See (NFGC) for complete
instructions.
Compound used on the threaded joints of
the gas piping must be of the type resistant
to the action of LP gas. Use compound
sparingly on male threads only.
Where a sediment trap is not incorporated
as part of the appliance, a sediment trap
shall be installed downstream of the
equipment shutoff valve as close to the
inlet of the appliance as practical at the
time of the appliance installation. The
sediment trap shall be either a tee fitting
with a capped nipple in the bottom outlet
or other device recognized as an effective
sediment trap. Do not use excessive force
(over 31.5 ft lbs.) in tightening the pipe
joint at the Combination Gas Control
(thermostat) inlet, particularly if teflon
pipe compound is used, as the valve body
may be damaged.
The inlet gas pressure to the water heater
must not exceed 14” w.c. for natural gas.
For purposes of input adjustment, the
minimum inlet gas pressure (with main
burner on) is shown on the water heater
rating plate. If high or low gas pressures
are present, contact your gas supplier for
correction.
Leak Testing
WARNING: Never use an
open flame to test for gas
leaks, as property damage,
personal injury, or death
could result.
The water heater and its gas connections
must be leak tested at normal operating
pressures before it is placed in operation.
urn on the manual gas shut-off
T
valve near the water heater.
The factory connections to the gas
control (thermostat) should also be leak
tested after the water heater is placed in
operation.
se a soapy water solution to test for
U
leaks at all connections and fittings.
Bubbles indicate a gas leak that must
be corrected.
Pressure Testing the Gas Supply System
The water heater and its manual gas
shut-off valve must be disconnected from
the gas supply piping system during any
pressure testing of that system at
pressures in excess of 3/8 psi (10.5” w.c.)
for natural gas.
WARNING: Failure to
install a water heater suitable
for the altitude at the
location it is intended to
serve, can result in improper
operation of the appliance
resulting in property damage
and/or, producing carbon
monoxide gas, which could
result in personal injury, or
death.
12
The water heater must be isolated from
the gas piping system by closing the
manual gas shut-off valve during any
pressure testing of the gas supply piping
at pressures equal to or less than
3/8 psi (10.5” w.c.) for natural gas.
High Altitude
This water heater is certified for
installations up to 8,500 feet above sea
level.
! WARNING: Installations above 8,500
feet are not authorized and may result in
improper and inefficient operation of the
appliance, producing carbon monoxide gas
in excess of acceptable limits, which could
result in serious injury or death.
The water heater must be installed with the factory supplied draft hood in place.
DANGER: Failure to
install the draft hood and
properly vent the water
heater to the outdoors as
outlined in the Venting
section of this manual will
result in unsafe operation of
the water heater causing
bodily injury, explosion,
fire or death. To avoid the
risk of fire, explosion, or
asphyxiation from carbon
monoxide, NEVER operate
the water heater unless it is
properly vented and has
adequate air supply for
proper operation as
outlined in the Venting
Section of this manual.
Venting
This water heater is a Category I -Fanassisted appliance. Vent connectors must be
attached to the draft hood outlet to connect
the water heater to the gas vent or chimney.
The vent connectors must be the same size
(diameter) as the draft hood or larger, never
smaller.
Horizontal vent connectors must be pitched
upward to the chimney at least 1/4” per foot
of length. Single wall vent connectors must
be at least 6” from adjacent unprotected
combustible surface. Vent joints must be
securely fastened by sheet metal screws or
other approved method.
For proper venting in certain installations a
larger vent connector size may be needed.
Consult the latest version of the National
Fuel Gas Code (ANSI Z223.1/NFPA 54).
Test for spillage at the draft hood relief
opening after 5 minutes of main burner
operation. Use a flame of a match or
candle or smoke. The flame or smoke
should be pulled into the draft hood’s relief
opening(s).
Multi-story and common venting is
permitted. Consult the latest version of the
National Fuel Gas Code (ANSI Z233.1/
NFPA 54).
Insulation Blankets
WARNING: If local codes
require external application
of insulation blanket kits
the manufacturer’s
instructions included with
the kit must be carefully
followed.
Insulation blankets, available to the general
public, for external use on gas water
heaters are not necessary. The purpose
of an insulation blanket is to reduce the
standby heat loss encountered with storage
tank heaters. This water heater meets or
exceeds the National Appliance Energy
Conservation Act standards with respect to
insulation and standby loss requirements
making an insulation blanket unnecessary.
CAUTION: If local codes require the
application of an external insulation
blanket to this water heater, pay careful
attention to the following so as not to
restrict the proper function and
operation of the water heater:
The manufacturer’s warranty does not cover
any damage or defect caused by installation,
attachment or use of
any type of energy saving or other
unapproved devices (other than those
authorized by the manufacturer) into, onto
or in conjunction with the water heater. The
use of unauthorized energy saving devices
may shorten the life of the water heater and
may endanger life and property.
 DO NOT apply insulation to the top of
the water heater. This will interfere with
the safe operation of the draft hood.
The manufacturer disclaims any
responsibility for such loss or injury
resulting from the use of such unauthorized
devices.
 DO NOT cover the operating or warning
labels attached to the water heater or
attempt to relocate them on the exterior
of insulation blanket.
 DO NOT cover the burner access door,
jacket door, gas control (thermostat)/gas
valve or pressure and temperature relief
valve.
 DO NOT apply insulation to the bottom
of the water heater or the area where the
combustion air inlet openings are located.
This area must be unobstructed so as
not to restrict combustion air flow to the
burner.
 DO NOT apply insulation to the area
where the flammable vapor sensor is
located. This area must be unobstructed
so as not to restrict air flow to the sensor.
 Inspect the insulation blanket frequently
making certain it has not sagged and is
restricting the air flow to the combustion
air inlet openings located around the
perimeter of the water heater outer door.
This could result in an unsafe operating
condition.
13
Installing the water heater.
Wiring
This water heater may be connected
to electric service with the power cord
provided (DO NOT use an extension cord).
A grounding receptacle is required.
If local codes do not permit the use of cord
connections, a 120 V, 50/60 Hz power
supply, with suitable disconnecting means,
must be connected to the black and white
leads in the blower assembly.
The water heater must be electrically
grounded in accordance with local codes, or,
in the absence of local codes, in accordance
with latest edition of the National Electric
Code ANSI/NFPA No. 70 in US and for
Canada the Canadian Electrical Code CSA
C22.1. Refer to the figures below for water
heater internal wiring.
The maximum current draw is less than 5.0
amps.
H
CONNECTOR DIAGRAM
SCHÉMA DES CONNEXIONS
120 VAC PLUG FOR POWERVENT
H
BLOWER ASSEMBLY
PRISE DE 120 VCA POUR G
N
L’ENSEMBLE DE
SOUFFLEUR D’ÉVENT MÉCHANIQUE
GND
120 VAC
ON/OFF
SWITCH
CONTACTEUR
MARCHE/ARRÉT
IGNITER
ALLUMEUR
6 PIN CONNECTOR
CONNECTEUR À
6 BROCHES
FLAMMABLE
IGNITER AND
VAPOR SENSOR FLAME SENSOR
DÉTECTEUR DE
ALLUMEUR ET
VAPEUR
CAPTEUR DE
INFLAMMABLE
FLAMME
FV
1
2
3
4
W
BK
W
1
SCREW
GND VIS
DE MISE
À LA TERRE
GAS VALVE
SOUPAPE DE GAZ
INTELLI-VENT ELECTRONIC CONTROL
CONTRÔLE ÉLECTRONIQE INTELLI-VENT
INTELLI-VENT ELECTRONIC CONTROL
CONTRÔLE ÉLECTRONIQUE INTELLI-VENT
GAS VALVE
SOUPAPE DE GAZ
POWER
VENT BLOWER
ASSEMBLY
ENSEMBLE DU
SOUFFLEUR
D’ÉVENT
MÉCANIQUE
ON/OFF SWITCH
CONTACTEUR
MARCHE/ARRÉT
PRESSURE
SW NO
CONTACTEUR À
DÉPRESSION
BLOWER
SOUFFLEUR
MOT
BK
G
W
W
BK
BK
3
BK
FLAMMABLE VAPOR SENSOR
DÉTECTEUR DE VAPEUR INFLAMMABLE
W
FLAME SENSOR
CAPTEUR DE FLAMME
4
1
PRESSURE
SW NO
BL
2 N/C
3
CONTACTEUR
À DÉPRESSION
Y
4
R
5
BK
6
W
MOT
BLOWER
SOUFFLEUR
W
1
2
3
4
5
6
GND
BL
Y
R
BK
W
G
N/C
BK = BLACK/NOIR
BL = BLUE/BLEU
G = GREEN/VERT
R = RED/ROUGE
W = WHITE/BLANC
Y = YELLOW/JAUNE
WIRE HARNESS THAT RUNS FROM BLOWER ASSEMBLY
TO INTELLIVENT CONTROL GAS VALVE
FAISCEAU DE CÂBLAGE ENTRE L’ENSEMBLE DU
SOUFFLEUR ET LA INTELLI-VENT DE LA SOUPAPE DE
CONTRÔLE DU GAZ
ANY REPLACEMENT IGNITOR CABLE MUST BE RATED AT 250º C
TOUT CÂBLE D’ALLUMAGE DE REMPLACEMENT DOIT ÊTRE
ÉTALONNÉ Á 250º C
H
NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THE APPLIANCE
MUST BE REPLACED, IT MUST BE REPLACED WITH A 18 GA, 600 V,
105º C WIRE.
REMARQUE: SI UNE PARTIE QUELCONQUE DU CÂBLAGE ORIGINAL
FOURNI AVEC L’APPAREIL DOIT ÊTRE REMPLACÉE, ELLE DOIT ÊTRE
REMPLACÉE AVEC UN FIL DE CALIBRE 18, 600 VCA, 105º C.
120V 50/60 Hz LESS THAN 5 AMPS
CAUTION! Wiring errors can cause improper and dangerous operation.
VERIFY PROPER OPERATION AFTER SERVICING!
14
W
2
J2
1
2
3
4
5
6
N
SCHEMATIC DIAGRAM
SCHÉMA DE CABLÂGE
AX5185
N
Hot and Cold Pipe Insulation Installation
Typical vertical piping arrangement
Typical horizontal piping arrangement
For increased energy efficiency, some
water heaters have been supplied with
two 24” sections of pipe insulation.
Please install the insulation, according
to the illustrations above, that best meets
your requirements.
Temperature & Pressure Relief Valve (T&P) Insulation
Installation
For increased energy efficiency, this water heater has been supplied with a 2 3/8”
section of T&P insulation. Please install the insulation as shown below.
Typical Side Connect T & P Arrangement.
Typical Top Connect T & P Arrangement.
Slip the insulation cover over the T&P
Valve through the center hole and align
the hole in the side with the opening of
the T&P Valve.
Ensure the T&P Valve opening is not
obstructed by the insulation.
Heat Traps
For increased energy efficiency, some
water heaters have been supplied with heat
traps for installation in the hot outlet line
and cold water inlet line.
These heat traps may require a minimum
of one (1) 90° elbow and may require an
additional 90° elbow or a 3/4” coupling
depending on your installation needs. See
Illustration of nipples and heat traps on
page 31.
15
Installing the water heater.
During Installation of this water heater...........
DO
DON’T
 DO check inlet gas pressure to ensure
that it is within the range specified on the
rating plate.
 DON’T block or restrict the flammable
vapor sensor located around the lower
portion of the water heater jacket.
 DO provide adequate air for combustion
and ventilation as discussed in the Use and
Care Manual and the National Fuel Gas
Code.
 DON’T block or restrict Combustion Air
Inlet Openings located around the outer door.
 DON’T remove the Burner Access
Door unless absolutely necessary. This
should only be done by a qualified service
technician. A new burner access door gasket
must be installed on any burner access door
that has been removed.
 DON’T install this water heater where
standing water may occur. The base of the
water heater is meant to be mounted on a dry
surface.
 DON’T allow cleaners, solvents, or other
like materials to come in contact with the
flammable vapor sensor.
 DON’T allow cleaner, solvents, or
other materials to come in contact with the
flammable vapor sensor.
 DON’T operate the water heater if the
sight glass or burner access door grommet is
damaged or broken.
 DO maintain proper clearances to
combustibles as specified on the rating plate.
 DO ensure that the venting system
complies with the guidelines found in the
Use and Care Manual and National Fuel Gas
Code.
 DO contact a qualified service
technician if the hot surface ignitor or main
burner will not stay lit. The burner chamber
is designed to be sealed utilizing a gasket.
Burner
Access Door
Grommet
Flammable
Vapor Sensor
16
Sight Glass
Installation Checklist
A. Water Heater Location
q
Close to area of vent.
qIndoors and protected from freezing
qCatch pan installed.
qProper clearance from combustible surfaces
qCombustible materials, such as clothing, cleaning
temperatures.
observed and water heater not installed on
carpeted floor.
qSufficient fresh air supply for proper operation of
water heater.
qAir supply free of corrosive elements and
qSufficient room to service the water heater.
materials, rags, etc. clear of the base of the heater.
q Clearances from combustion air inlet openings
observed (see page 9).
qFlammable vapor sensor is not blocked..
flammable vapors.
qProvisions made to protect area from water
damage.
B. Water Supply
qWater heater completely filled with water.
qWater connections tight and free of leaks.
qAir purged from water heater and piping.
C. Gas Supply
qGas line equipped with shut-off valve, union and
sediment trap.
qApproved pipe joint compound used.
qSoap and water solution used to check all
connections and fittings for possible gas leak.
qGas Company inspected installation (if required).
D. Relief Valve
qTemperature and Pressure Relief Valve properly
installed and discharge line run to open drain.
qDischarge line protected from freezing.
E. Venting
qFlue baffle properly hung in top of heater’s flue.
qDraft hood properly installed.
qVent connector(s) pitched upward to chimney
(¼" per foot of length minimum) .
qVent connector(s) securely fastened together with
screws.
qSingle wall vent connector(s) at least 6” from
combustible material.
F. Wiring
qCorrect power supply (120 VAC).
qElectrical connections tight.
q Water heater properly grounded and proper
polarity observed.
17
Supplemental instructions for gas water heaters installed
in potable/space heating applications.
Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in
this manual and take precedent over these instructions.
Combination Potable and Space Heating Application
Hot water
supply to
house
Hot water
supply to
heating
unit
Tee fitting must be installed as shown.
This ensures that any air in the water lines
will be purged through the domestic water
faucets and showers.
From HOT
outlet on
water heater
Tee fitting for vertical hot
water supply lines.
From HOT
Hot water
outlet on
supply to
water heater
house
Hot water supply
to heating unit
Tee fitting for horizontal hot
water supply lines.
DANGER: If this water heater is
installed in an application intended to
supply domestic hot water needs and hot
water for space heating purposes, do not
connect the heater to an existing heating
unit or components of a heating system
that have previously been used with a
non drinking water system. Toxic
chemicals such as those used for boiler
treatment may be present and will
contaminate the drinking water supply
causing possible health risks. Never
introduce toxic chemicals, such as those
used for boiler treatment, into this
system.
DANGER: When this system requires
water for space heating at elevated
temperatures (above 125°F [52°C.]), a
mixing or tempering valve must be
installed in the hot water supply line to
the house in order to reduce the scald
hazard potential.
DANGER: Any piping or components
used in the installation of this water
heater in a combination potable and
space heating application must be
suitable for use with drinking water.
NOTICE: 50 ft maximum distance from
water heater to fan coil (developed
length) is required for Massachusetts
state.
Typical Piping Diagram for Combination Potable/Space Heating Installation
Pressure Gauge
Nominal 3/4" size mixing or tempering valve
(refer to warning above). Follow mixing or
tempering valve manufacturer’s instructions for
installation of the valve.
Minimum of 2'-0" developed length
of 3/4" pipe.
3/4" Check Valve with 1/8" Hole
3/4" Shut-Off Valve (Typ.)
3/4" Tempered
domestic hot water
supply to house.
3/4" cold water supply
Spring loaded check valve in heating unit
hot water supply line and cold water return
line (not supplied with water heater)
3/4" Shut-Off Valve (Typ.)
NOTICE: This check valve is incorporated
in some heating units. Refer to the
installation instructions supplied with
specific heating unit to determine if it is
required.
Heat Trap
6” Min.
2 Gallon Thermal
Expansion Tank (if
required-not supplied
with water heater)
3/4" ShutOff Valve
(Typ.)
See diagrams above for proper
pipe application for vertical
or horizontal supply lines.
Hot water coil
Isolation valve in hot water supply line
to heating unit (not supplied with water
heater)
°F
140
Air vent
Gas line to water heater
Water Heater drain pan installed in
accordance with the Local and State Code
Check valve
internal in pump.
Air bleed valve.
Water Sample Tap.
3/4" HWS & HWR
to Heating Coil.
To HVAC Unit.
T FAN
ON
OFF
HEAT
COOL
Drain valve
(not supplied with
water heater)
Temperature and pressure relief
valve discharge line
Combination Gas Control
(Thermostat)
All bronze pump.
F
30°
to 1
°
0
12
Temperature and Pressure Relief
Valve, tie to location approved by
local code
Water heater jacket
Hot water
to space heater
Gas Fired
Water Heater
Isolation valve in
cold water return line
from heating unit (not
supplied with water
heater)
Air Handler
Gas Direct Vent discharge
must comply with Local
and State Code
Flammable Vapor Sensor
Vacuum Relief Valve
(Not Supplied)
Water Heater to be in accordance with
the Local and State Energy Code
All water piping shall be insulated in
accordance with Local and State Energy
Code.
18
If required, install per local codes
and valve manufacturer’s
instructions.
6” Air Gap
Electronically controlled pump timer.
Activates every 6 hours for 60 seconds.
Wire to bronze pump.
18
Lighting the water heater.
Before operating this water heater, be sure to read and follow the instructions on the label pictured
below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to
do so can result in unsafe operation of the water heater resulting in property damage, personal injury,
or death . Should you have any problems reading or following the instructions in this manual, STOP,
and get help from a qualified person.
FOR YOUR SAFETY READ BEFORE OPERATING
WARNING: If you do not follow these instructions and the Use & Care
Manual instructions exactly, a fire or explosion may result causing property
damage, personal injury or loss of life.
A. This appliance does not have a pilot. It is
equipped with an ignition device which automatically lights the burner. Do NOT try to light
the burner by hand.
B. BEFORE PUTTING THIS APPLIANCE INTO
SERVICE - Smell all around the appliance
area for gas. Be sure to smell next to the
floor because some gas is heavier than air
and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electric switch; do
not use any phone in your building.
Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions.
If you cannot reach your gas
supplier, call the fire department.
C. Use only your hand to push in the gas
control buttons. Never use tools. If the
control buttons will not push in, don’t try
to repair them, call a qualified service
technician. Force or attempted repair
may result in fire or explosion.
D. Do not use this appliance if any part has
been under water. Immediately call a
qualified installer or service agency to
replace a flooded water heater. Do not
attempt to repair the unit! It must be
replaced!
OPERATING INSTRUCTIONS
8. Turn on all electrical power to the appliance.
on this label.
2. Toggle the “ON/OFF” switch located on the 9.
blower assembly to the “ON” position.
3. Set the thermostat to the lowest setting 10.
by pressing the COOLER
and HOTTER
buttons at the same time and holding
them for (1) second. Depress the COOLER
button until only the WARM indicator
light is lit.
4. Toggle the “ON/OFF” switch located on the
blower assembly to the “OFF” position.
5. Turn off all electrical power to the appliance. 11.
6. This appliance is equipped with a Hot
Surface Ignition System which automatically lights the burner. Do NOT open
the inner door of this appliance and try to
light the burner by hand!
7. Wait five (5) minutes to clear out any gas.
If you smell gas, STOP! Follow “B” in the
safety information above on this label. If
you do not smell gas, go ahead to the next step.
Toggle the “ON/OFF” switch located on the
blower assembly to the “ON” position.
Set thermostat to the desired temperature
setting by pressing the COOLER and
HOTTER buttons at the same time and
holding them for (1) second. Depress the
HOTTER button until the desired
temperature display setting is lit. The
preferred starting point for temperature
setting is indicated by on the thermostat.

1. Stop! Read the safety information above
If the appliance will not operate, follow
the instructions “TO TURN OFF GAS TO
APPLIANCE” and call your service
technician or gas supplier.
VACATION
A
B
C
VERY
HOT
WARM
COOLER
HOTTER
WARNING


TO TURN GAS OFF TO THE APPLIANCE
and HOTTER
button


1.Set the thermostat to the lowest setting by first depressing the COOLER
 buttons at the same time and holding for (1) second. Depress the COOLER
until only the WARM indicator light is lit.
2. Toggle the “ON/OFF” switch located on the blower assembly to the “OFF” position.
3. Turn off all electrical power to the appliance.
19
Operating the Water Heater
CAUTION: Hydrogen gas can be produced in a hot water system served by this water heater that has not been
used for a long period of time (generally two weeks or more). HYDROGEN GAS IS EXTREMELY
FLAMMABLE!! To dissipate such gas and to reduce risk of injury, it is recommended that the hot water faucet be
opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water
system. If hydrogen is present, there will be an unusual sound such as air escaping through the pipe as the water
begins to flow. Do not smoke or use an open flame near the faucet at the time it is open.
Safety Precautions
O turn off manual gas shut-off valve if water heater
D
has been subjected to over heating, fire, flood,
physical damage or if the gas supply fails
to shut off.
O NOT turn on water heater unless it is completely
D
filled with water.
O NOT turn on water heater if cold water supply
D
shut-off valve is closed.
O NOT allow combustible materials such as
D
newspaper, rags or mops to accumulate near
water heater.
O NOT store or use gasoline or other flammable
D
vapours and liquids, such as adhesives or paint
thinner, in vicinity of this or any other appliance.
If such flammables must be used, open doors
and windows for ventilation, and all gas burning
appliances in the vicinity should be shut off
including their pilot burners, to avoid vapours
lighting.
NOTICE: Flammable vapours can be drawn by air
currents from surrounding areas to the water heater.
I f there is any difficulty in understanding or
following the Operating Instructions or the Care and
Cleaning section, it is recommended that a qualified
person or serviceman perform the work.
Operating Procedure
This water heater is equipped with a hot
surface ignitor to light the main burner. There
is no pilot light to be lit, but on initial startup, it is recommended that the outer door be
removed (leave inner door in place for safety)
to view through the sight glass if the hot
surface ignitor and main burner are operating
properly.
ignitor should heat up, then the gas valve
should open and the main burner ignite. After
the main burner ignites, replace the outer door.
If no main burner flame is established, the gas
control will go through three trials for ignition
before going into a lock-out. A warning light
will alert the user of this lock-out condition. If
this happens, refer to “Troubleshooting Guide.”
Once filled with water, it is only necessary to
plug the power cord in and make sure the “ON/
OFF” switch located on the blower assembly
is in the “ON” position to put the water heater
into operation. Within seconds the hot surface
TO SHUT OFF WATER HEATER – Turn
switch located on the side of the blower
assembly to the “OFF” position. See diagram
on page 31 for location of blower assembly.
Water Temperature Setting
! DANGER: Hotter
water increases the
Potential for Hot Water
SCALDS. Households
with small children,
disabled, or elderly
persons may require a
120°F (49°C) or lower
combination gas control
(thermostat) setting to
prevent contact with
unsafe water
temperatures.
20
The temperature of the water in the water
heater can be regulated by pressing the
buttons on the front of the combination gas
control (thermostat).
Safety and energy conservation are factors
to be considered when selecting the water
temperature setting of the water heater’s
combination gas control (thermostat). The
lower the temperature setting, the greater the
savings in energy and operating costs.
To comply with safety regulations, the
combination gas control (thermostat) was
set at its lowest setting before the water
heater was shipped from the factory. The
recommended starting point temperature is
120°F (49°C).
Water temperatures above 125°F (52°C)
can cause severe burns or death from
scalding. Be sure to read and follow the
warnings outlined in this manual and on the
label located on the water heater near the
gas control (thermostat).
Mixing valves are available for reducing
point of use water temperature by mixing
hot and cold water in branch water lines.
Contact a licensed plumber or the local
plumbing authority for further information.
The chart on the next page may be used as a
guide in determining the appropriate water
temperature for your installation.
Water Temperature Setting…
Maximum water temperatures occur just after the burner
has shut off. To determine the water temperature, turn on
a hot water faucet and place a thermometer in the water
stream.
To avoid any unintentional changes in water temperature
settings, the combination gas control (thermostat) has
a tamper resistant feature for changing the temperature
setting. To change the temperature setting follow these
instructions.
1. "Wake Up" the temperature indicators by holding
down both "COOLER" and "HOTTER" temperature
adjustment buttons at the same time for one second, see
Figure below. One or two of the temperature indicators
will light up. These indicators will only remain on for
30 seconds if no further buttons are pressed. After 30
seconds the control will go back to "sleep" mode.
2. Release both of the temperature buttons.
a. To decrease the temperature press and release
the "COOLER" button until the desired setting is
reached.
b. To increase the temperature press and release
the "HOTTER" button until the desired setting is
reached.
NOTICE: Holding down the button will not continue
to lower or raise the temperature setting. The button
must be pressed and released for each temperature
change desired.
The hottest temperature water will be at the top of the
tank, closest to the outlet pipe delivering hot water to the
home.
Stacking can cause this top layer of water to be hotter
than the water toward the bottom of the tank near the
combination gas control (thermostat). Therefore, always
remember to test the water temperature with your hand
before use and remember that hotter water increases the
risk of scald injury.
Also, always supervise young children or others who are
incapacitated.
The combination gas control (thermostat) is constructed
with a built in safety shutoff device designed to shut
off the gas supply to the burner if the main burner is
extinguished for any reason.
The combination gas control (thermostat) is also equipped
with a gas shutoff device that will shut off the gas supply
to the burner if the water heater exceeds normal operating
temperatures. Refer to the Before You Call For Service
section of this manual, or contact your dealer.
! WARNING: Should overheating occur or the gas
supply fail to shut off, turn off the manual gas (shutoff)
valve to the appliance.
If the water heater has been subjected to fire, flood or
physical damage, turn off the manual gas (shutoff) valve,
and do not operate the water heater again until is has been
checked by a qualified service technician.
A condition known as “stacking” or “layering” can occur
when a series of short and frequent hot water draws are
taken.
Display
Burns on Adult Skin
●○○○○○
○●○○○○
○○●○○○
○○○●○○
○○○○●○
○○○○○●
--------------------
Temperature Setting
WARM = approx. 70°F (21°C)
▼ = approx. 120°F (49°C)
A = approx. 130°F (54°C)
B = approx. 140°F (60°C)
C = approx. 150°F (66°C)
C-Flashing = approx. 160°F (71°C)
▼ABC
VACATION
A
B
C
VERY
HOT
WARM
COOLER
HOTTER
More than 5 minutes
About 30 seconds
WARNING
Less than 5 seconds
About 1-1/2 seconds
About 1/2 seconds
Time/Temperature Relationship in Scalds
Water Temperature
120°F (49°C)
125°F (52°C)
130°F (54°C)
135°F (57°C)
140°F (60°C)
145°F (63°C)
150°F (66°C)
155°F (68°C)
Time To Produce a Serious Burn
More than 5 minutes
11/2 to 2 minutes
About 30 seconds
About 10 seconds
Less than 5 seconds
Less than 3 seconds
About 11/2 seconds
About 1 second
Table courtesy of Shriners Burn Institute
21
Operating the Water Heater
Temperature Setting
▼ = approx. 120°F (49°C)
B = approx. 130°F (54°C)
C = approx. 140°F (60°C)
D = approx. 150°F (66°C)
E = approx. 160°F (71°C)
F = approx. 170°F (77°C)
F = approx. 180°F (82°C)
Display
▼BCDEF
●○○○○○
●●○○○○
○●○○○○
○○●○○○
○○○●○○
○○○○●○
○○○○○●
Burns on Adult Skin
B
C
D
More than 5 minutes
About 30 seconds
Less than 5 seconds
About 1-1/2 seconds
About 1/2 seconds
E
F
VERY
HOT
WARM
COOLER
HOTTER
WARNING
-------------------------------------
Sequence of Operation
During initial start-up or a call for heat, the
control will verify the vent vacuum switch is
open.
This water heater is equipped with a flammable
vapour sensor that is monitored continuously by
the electronic control in all modes of operation.
Once the control verifies the vent vacuum switch
is open, the control will energize the blower
motor for the pre-purge sequence (approximately
5 seconds).
In the event that flammable vapours are
detected, the control will automatically shut
down the water heater and prevent the water
heater from being started again.
The control will verify the vent vacuum
switch has closed, ensuring that the blower is
functioning properly and that the venting system
is not blocked.
The following is a list of materials that will
cause the Flammable Vapour Sensor to shut
down the water heater.
The control will then proceed through a
sequence of self-diagnostics before initiating a
trial for ignition.
During the trial for ignition, the hot surface
ignitor will warm up.
Once the hot surface ignitor warms up, the main
gas valve will open allowing gas to flow to the
main burner.
Once the main burner ignites, the control will
verify that the burner flame is present through
the flame sense circuit. The hot surface ignitor
will then turn off.
The main burner will remain lit throughout the
heat cycle until the water temperature setting is
reached.
Once the water temperature setting is reached,
the control will close the main gas valve which
will extinguish the main burner flames.
The blower motor will stay energized for an
additional 5 seconds after the control verifies
that the burner flame is extinguished in order to
clear combustion gases from the water heater.
After the post-purge sequence, the control will
de-energize the blower motor and go into a
stand-by mode awaiting the next call for heat.
22
 Vapours of Gasoline.
 Vapours of certain flammable paints, stains,
and thinners.
 Vapours of vent pipe Cement & Solvents.
 Bleach (direct contact with flammable vapour
sensor).
 Some other flammable materials and their
vapours.
If the flammable vapour sensor shuts down
the water heater, then the electronic control
will display the appropriate error code and you
should then promptly contact a qualified service
technician.
Refer to the “NOTICE” on page 3 for additional
information.
Care and cleaning of the water heater.
Draining the Water Heater
! CAUTION: Shut off gas to the water
heater at the gas control (thermostat)
manual shut-off valve before draining
water.
! DANGER: Before manually operating
the temperature and pressure relief
valve, make certain no one will be
exposed to the hot water released by the
valve. The water drained from the tank
may be hot enough to present a scald
hazard and should be directed to a
! DANGER: Before
manually operating the
relief valve, make certain
no one will be exposed to
the danger of the hot water
released by the valve. The
water may be hot enough to
create a scald hazard. The
water should be released
into a suitable drain to
prevent injury or property
damage.
! DANGER: Failure to
perform the recommended
Routine Preventative
Maintenance can harm the
proper operation of this
water heater, which can
cause carbon monoxide
dangers, excessive hot
water temperatures and
other potentially hazardous
conditions.
DANGER: Combustible
materials, such as clothing,
cleaning materials, or
flammable liquids, etc., must
not be placed against or next
to the water heater.
!
In order to drain the water heater, turn off
the cold water supply. Open a hot water
faucet or lift the handle on the relief valve
to admit air to the tank.
Attach a garden hose to the drain
valve on the water heater and direct
the stream of water to a drain. Open
the valve.
Routine Preventative Maintenance
Properly maintained, your water heater
will provide years of dependable troublefree service.
It is recommended that a periodic
inspection of the gas control (thermostat),
burner, relief valve, internal flue-way and
venting system should be made by service
personnel qualified in gas appliance repair.
It is suggested that a routine preventative
maintenance program be established and
followed by the user.
PRESSURE SWITCH - Inspect the inlet
! DANGER: Hotter water
increases the potential for
Hot Water Scalds.
suitable drain to prevent injury or
damage.
to the pressure switch and the tubing for
debris or blockage. Clean out the tubing
periodically to prevent buildup of debris.
At least once a year, lift and release the
lever handle on the temperature pressure
relief valve, located near the top of the
water heater, to make certain the valve
operates freely. Allow several gallons to
flush through the discharge line to an open
drain.
NOTICE: If the temperature and
pressure relief valve on the hot water
heater discharges periodically, this
may be due to thermal expansion in a
closed water system. Contact the water
supplier or your plumbing contractor on
how to correct this. DO NOT plug the
relief valve outlet.
A water heater’s tank can act as a settling
basin for solids suspended in the water. It
is therefore not uncommon for hard water
deposits to accumulate in the bottom of
Housekeeping
Visually inspect the hot surface ignitor.
Make sure that the flammable vapor
sensor is not blocked or obstructed.
To ensure sufficient ventilation and
combustion air supply, proper clearances
must be maintained.
the tank. If allowed to accumulate, these
solids can cover the combination gas
control (thermostat) sensors, causing the
sensors to operate erratically. Because
accumulated solids can prevent the
combination gas control (thermostat)
sensors from accurately reading the water
temperature, the water at the fixture can
be hotter than the combination gas control
(thermostat) setting. It is suggested that
a few quarts of water be drained from the
water heater’s tank every month to clean
the tank of these deposits.
Rapid closing of faucets or solenoid valves
in automatic water using appliances can
cause a banging noise heard in a water
pipe. Strategically located risers in the
water pipe system or water hammer
arresting devices can be used to minimize
the problem.
The anode rod should be removed from the
water heater’s tank annually for inspection
and replaced when more than 6” of core
wire is exposed at either end of the rod.
Make sure the cold water supply is turned
off before removing anode rod.
This water heater incorporates a
combustion shut off device that shuts
the operation of the water heater down if
undesirable combustion conditions occur.
Such as the presence of flammable vapors
or blockage of the combustion air inlet
openings. Please contact a Qualified
Service Technician if this occurs.
DO NOT expose the flammable vapor
sensor to water, solvents, or cleaning
agents.
23
Care and cleaning of the water heater.
Venting System Inspection
Inspect the gas venting system and the
chimney.
Make certain the vent connector from
the draft hood to the chimney is properly
positioned and securely attached.
If after inspection of the vent system
you found soot or deterioration;
call the local gas utility to correct the
problem and clean the flue, or replace
the flue, flue baffle, and venting system
before resuming operation of the water
heater.
Test for spillage at the draft hood relief
opening after 5 minutes of burner
operation. Use a flame of a match or
candle or smoke.
Burner Inspection
Through the sight glass, visually inspect
the hot surface ignitor and main burner
periodically.
Inspect the hot surface ignitor with the
main burner off and inspect the main
burner while firing.
If any unusual burner operation is noted,
the water heater should be shut off
until qualified service assistance can be
obtained.
NOTICE: Refer to the
Hydrogen Gas Caution in the
Operating Instructions.
For cleaning, remove the inner doors
burner assembly from the water heater. A
vacuum cleaner can be used on the burner
and inside the water heater. The burner
can also be cleaned by blowing air over
the burner surface. Do not allow any
large debris to remain inside the burner.
Vacation and Extended Shut-Down
If the water heater is to remain idle for an
extended period of time, the power and
water to the appliance should be turned off
to conserve energy and prevent a build-up
of dangerous hydrogen gas.
The water heater and piping should be
drained if they might be subjected to
freezing temperatures.
NOTICE: Do not remove
the anode rod from the water
heater’s tank, except for
inspection and/or replacement,
as operation with the anode
rod removed will greatly
shorten the life of the glass
lined tank and will exclude
warranty coverage.
! CAUTION: For your safety, cleaning of
the burner must be performed only by
qualified service personnel as it involves
the disconnection of gas piping and leak
testing. The burner chamber is a sealed
area. If the burner access door is
removed, the inner door gasket must be
replaced.
After a long shut-down period, the
water heater’s operation and controls
should be checked by qualified service
personnel. Make certain the water heater
is completely filled again before placing it
in operation.
Anode Rod
This water heater is equipped with an
anode rod designed to prolong the life
of the glass lined tank. The anode rod is
slowly consumed, thereby eliminating or
minimizing corrosion of the glass lined
tank.
Water sometimes contains a high sulfate
and/or mineral content and together with
cathodic protection process can produce
a hydrogen sulfide, or rotten egg odor in
the heated water. Chlorination of the water
supply should minimize the problem.
Blower
! DANGER: Disconnect power to
blower before cleaning.
Clean the blower periodically to remove
any buildup of lint or dirt. Remove the
24
inlet plate and blow out any lint or dirt on
the wheel and on the screen of the inlet
plate. Before operation, re-install the inlet
plate to the blower.
Before You Call For Service…
Troubleshooting Tips
Save time and money! Review the charts on the following pages first and you may not need to call for service.
This water heater incorporates a combustion shut off device that shuts the operation of the water heater
down if undesirable combustion conditions occur. Such as the presence of flammable vapors or blockage
of the combustion air inlet openings. Please contact a Qualified Service Technician if this occurs.
Problem
Possible Causes
What To Do
Condensation
This usually happens when  This is normal. After the water in the tank warms
a new water heater is up, the condensation will disappear. If, however, the
filled for the first time. condition persists, examine the piping and fittings
for possible leaks. Refer to page 11 for more information.
Moisture from the products
 This is normal and will disappear in time.
of combustion condensing Refer to page 11 for more information.
on the tank surface.
An undersized water  Use a water heater size that meets the requirements
heater will cause of your needs.
condensation.
Yellow flame or soot
Scale on top of the burner.
 Contact a qualified service technician to remove scale.
Flue or Combustion air inlet  Remove obstruction or debris from flue or
openings are restricted. combustion air inlet openings on blower assembly.
Not enough combustion or
 Proper operation of the water heater requires air for
ventilation air supplied to combustion and ventilation. See the Combustion and
the water heater location. Ventilation Air information in the “Installing The Water Heater” section of this manual.
Unable to light Air in gas line.
 Contact a qualified service technician to purge the air
the main burner from the gas line.
Blocked Exhaust
 Contact a qualified service technician to evaluate vent pipe for blockage.
Pressure Switch
Wire Connection(s) not fully
 Contact a qualified service technician to confirm wire secured.connections.
Combustion Shut-off Device
 Combustion shut-off device should be inspected by a tripped. qualified service technician.
Gas Control Problem
Main burner does not lit
Gas Controls (Thermostat’s)  The combination gas control (thermostat) should be stay
Energy shutoff device open. replaced by a qualified service technician.
Combustion Shutoff Device
 The combustion shutoff device should be inspected
Tripped.
by a qualified service technician.
 Make sure the pressure switch hose is not "kinked".
 Contact a qualified service technician.
! CAUTION: For your safety DO NOT attempt repair of gas piping, combination gas control (thermostat), burners, vent
connectors or other safety devices. Refer repairs to qualified service personnel.
! CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous
operation. VERIFY PROPER OPERATION AFTER SERVICING.
25
Before You Call For Service…
Troubleshooting Tips
Save time and money! Review the charts on the following pages first and you may not need to call for service.
This water heater incorporates a combustion shut off device that shuts the operation of the water heater
down if undesirable combustion conditions occur. Such as the presence of flammable vapors or blockage
of the combustion air inlet openings. Please contact a Qualified Service Technician if this occurs.
Problem
Possible Causes What To Do
Rumbling noise
Scale and sediment

Drain the water heater to remove scale and sediment
in tank. from the tank. Refer to page 23.
Relief valve producing popping noise or draining Pressure build up 
This is an unacceptable condition and must be
caused by thermal corrected. Contact the water supplier or plumbing
expansion to a contractor on how to correct this. Do not plug the
closed system. relief valve outlet.
Not enough or no hot water Water usage may have 
Wait for the water heater to recover after an exceeded the capacity abnormal demand.
of the water heater.
Low gas pressure.
The Combination Gas Control 
See the “Water Temperature Setting” of The Water (thermostat) may be set too low. heater section of this manual.
Leaking or open hot water faucets.

Make sure all faucets are closed.
Check valve error codes.

Refer to gas valve error code table in the next section.
“ON/OFF” switch turned off.

Turn “ON”.
Blower unplugged.

Plug in. Verify power supply (120VAC).
Combustion Shutoff System tripped.

Contact a qualified service technician.
Water is too hot
The Combination Gas Control 
See the “Water Temperature Setting” of The Water (thermostat) is set too high. Heater section of this manual.
The Combination Gas Control 
Contact a qualified service technician to replace the
(thermostat) Defective.
combination Gas Control (thermostat).

Check gas supply pressure and manifold pressure.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.
CAUTION: For your safety DO NOT attempt repair of gas piping, Combination Gas Control (thermostat), burners, vent
connectors or other safety devices. Refer repairs to qualified service personnel.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous
operation. VERIFY PROPER OPERATION AFTER SERVICING.
26
Gas Valve LED Error Codes
LED Status
○○▼
A B C
○○▼
A B C
○○▼
A B C
○○▼
A B C
●○○●○○
●○●○●○
●○●○○○
●○●○○●
○○▼
A B C
○○▼
A B C
○○▼
A B C
○○▼
A B C
●○●○●●
●○○●●○
●○○○●●
●○●●●○
Problem
An open earth ground circuit to the
ignition system.
Wiring error or a high resistance to
earth ground.
Pressure switch remained closed
longer
than 5 seconds after the call for
heat began.
Pressure switch remained open longer than 5 seconds after the combustion blower was energized.
Error in the hot surface ignitor circuit.
System in lockout.
Problem in the gas valve driver circuit.
Problem with the internal circuit.
●●●●●●
○○▼
A B C
Problem with the internal circuit.
○○▼
A B C
○○▼
Flame signal sensed out of
proper sequence.
A B C
ECO activated.
○○▼
A B C
○○▼
One of the temperature adjust
buttons stuck closed.
A B C
○○▼
Water temperature sensor is either open
or short circuited.
A B C
○○▼
A B C
●○○○●○
●○○●●●
●○●●○○
●○●●○●
●○○●○●
●○○○○●
Unit shuts down.
Unit shuts down and in lockout.
Solution
1. C
heck that the earth ground connection is properly
connected.
2. Check that the ground conductor on the water
heater is properly connected.
1. Check proper connection of line
neutral and hot wires.
2. Check that the water heater is securely connected
to earth ground.
1. V
erify that the wiring to the pressure switch(es) is
correct.
2. Replace the pressure switch(es).
1. Verify that the wiring to the pressure switch(es) is
correct.
2. Verify that the wiring to the pressure switch(es) is
connected correctly.
3. Check the vent and / or combustion air-inlet systems
for obstructions.
1. C
heck that all wiring is correct and secure.
2. Replace hot surface ignitor.
1. G
as supply is off or too low to operate. Turn on the
gas supply and / or increase the inlet gas supply pressure.
2. Hot surface ignitor not positioned correctly.
3. Low voltage to the water heater. Increase supply voltage to rated voltage.
4. Electric polarity to unit is incorrect - test and correct.
5. Check the vent and/or the combustion air-inlet systems for obstructions.
1. T
urn power to the water heater off for 10 seconds
and then back on.
2. Replace Combination Gas Control (thermostat).
1. Turn power to the water heater off for 10 seconds
and then back on.
2. Replace Combination Gas Control (thermostat).
1. Turn power to the water heater off for 10 seconds
and then back on.
2. Replace Combination Gas Control (thermostat).
1. Replace Combination Gas Control (thermostat).
1. Replace Combination Gas Control (thermostat).
1.
2.
1.
2.
1.
2.
3.
1.
2.
ress and release each of the buttons once.
P
Replace Combination Gas Control (thermostat).
Check that all wiring is correct and secure.
Replace Combination Gas Control (thermostat).
Check for correct wiring to FV sensor.
Check for open circuits to FV sensor.
Replace FV sensor.
FV sensor detected presence of flammable vapors.
Contact a service agency.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and
dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING.
CAUTION: For your safety DO NOT attempt repair of gas piping, Combination Gas Control (thermostat), burners, vent
connectors or other safety devices. Refer repairs to qualified service personnel.
27
Gas Valve LED Error Codes
LED Status
Problem
▼ B C D E F
●○○●○○
An open earth ground circuit to the
ignition system.
▼ B C D E F
Wiring error or a high resistance to
earth ground.
▼ B C D E F
Pressure switch remained closed longer than 5 seconds after the call for
heat began.
Pressure switch remained opened longer than 5 seconds after the combustion blower was energized.
●○●○●○
●○●○○○
▼ B C D E F
●○●○○●
Solution
1. C
heck that the earth ground connection is properly connected.
2. Check that the ground conductor on the water heater is properly
connected.
1. Check proper connection of line neutral and hot wires.
2. Check that the water heater is securely connected to earth
ground.
1. Verify that the wiring to the pressure switch(es) is correct.
2. Replace the pressure switch(es).
1. V
erify that the wiring to the pressure switch(es) is correct.
2. Verify that the wiring to the pressure switch(es) is connected
correctly.
3. Check the vent and / or combustion air-inlet systems for obstructions.
1. Check that all wiring is correct and secure.
2. Replace hot surface ignitor.
▼ B C D E F
Error in the hot surface ignitor circuit.
▼ B C D E F
System in lockout.
●○○○●●
▼ B C D E F
Problem in the combination gas valve
driver circuit.
▼ B C D E F
Problem with the internal circuit.
▼ B C D E F
Problem with the internal circuit.
●○○○●○
▼ B C D E F
Flame signal sensed out of
proper sequence.
▼ B C D E F
ECO activated.
●○●●○○
▼ B C D E F
One of the temperature adjust
buttons stuck closed.
1. A
llow water temperature in the tank to cool off, then turn power to the water heater off for 10 seconds and then back on.
2. If error code re-occurs, reduce the thermostat setting.
3. Replace the combination gas control (thermostat).
1. Press and release each of the buttons once.
2. Replace the combination gas control (thermostat).
●○●●○●
▼ B C D E F
Water temperature sensor is either
open or short circuited.
1. C
heck that all wiring is correct and secure.
2. Replace the combination gas control (thermostat).
▼ B C D E F
Unit shuts down.
▼ B C D E F
Unit shuts down and in lockout.
1. C
heck for correct wiring to FV sensor.
2. Check for open circuits to FV sensor.
3. Replace FV sensor.
●○●○●●
●○○●●○
●○●●●○
●●●●●●
●○○●●●
●○○●○●
●○○○○●
1. G
as supply is off or too low to operate. Turn on the gas supply
and / or increase the inlet gas supply pressure.
2. Hot surface ignitor not positioned
correctly.
3. Low voltage to the water heater. Increase supply voltage to
rated voltage.
4. Electric polarity to unit is incorrect - test and correct.
5. Check the vent and/or the combustion air-inlet systems for obstructions.
1. Turn power to the water heater off for 10 seconds and then
back on.
2. Replace the combination gas control (thermostat).
1. Turn power to the water heater off for 10 seconds and then
back on.
2. Replace the combination gas control (thermostat).
1. Turn power to the water heater off for 10 seconds and then
back on.
2. Replace the combination gas control (thermostat).
1. Replace the combination gas control (thermostat).
1. F
V sensor detected presence of flammable vapours.
2. Contact a service agency.
CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and
dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING.
CAUTION: For your safety DO NOT attempt repair of gas piping, Combination Gas Control (thermostat), burners, vent
connectors or other safety devices. Refer repairs to qualified service personnel.
28
Notes:
29
Notes:
30
Replacement Parts.
For 75 and 98 gallon models using natural gas.
Instructions For Placing a Parts Order
All parts orders should include:
he model and serial number of the
T
water heater from the rating plate.
pecify type of gas (natural or LP)
S
as marked on the rating plate.
art description (as noted below) and
P
number of parts desired.
CAUTION: For your safety, DO
NOT attempt repair of gas piping,
Combination Gas Control (thermostat),
burners, vent connectors or other safety
devices. Refer repairs to qualified
service personnel.
Draft hood
Heat Trap Nipple
Heat Trap Nipple
Baffle Assembly
Anode rod
Dip tube gasket
Dip tube
Temperature and
pressure relief valve
Blower with Pressure Switch
Drain valve
*Burner
Plenum
Internal Sight Glass
Plenum Gasket
Plenum Back Plate
Flammable Vapor Sensor
Combination Gas Control
(Thermostat)
External Sight Glass
Mounting Bracket
Mounting Screws
Jacket Door
Inner Door Gasket
Plenum Nuts
Burner Supply Tube
Mounting Screws
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IF YOU NEED SERVICE
1. Should you have any questions about your new water heater, or if it requires
adjustment, repair, or routine maintenance, it is suggested that you first contact
your installer, plumbing contractor or previously agreed upon service agency.
In the event the firm has moved, or is unavailable, refer to the telephone
directory, commercial listings or local utility for qualified service assistance.
2.Should your problem not be solved to your complete satisfaction, you
should then contact the Manufacturer’s National Service Department at the
following address:
Rheem Manufacturing Co.
Water Heater Division
1241 Carwood Court
Montgomery, Alabama 36117
Phone: 1-800-432-8373.
When contacting the manufacturer, the following information will be
requested:
a. Model and serial number of the water heater as shown on the rating plate
attached to the jacket of the heater.
b. Address where the water heater is located and physical location.
c. Name and address of installer and any service agency who performed service
on the water heater.
d. Date of original installation and dates any service work was performed.
e. Details of the problems as you can best describe them.
f. List of people, with dates, who have been contacted regarding your problem.
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