AP19336 (12/17)
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.
WARNING: If the information in these instructions is not followed exactly, a fire or
explosion may result causing property damage, personal injury or death.
Use & Care Manual
With Installation Instructions for the Installer
Water Heaters
Residential Gas - Low NOx Emissions
D
E
S
I
G
N
C
E
R
T
I
F
I
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®
Compliant with South Coast Air Quality Management District Rule 1121 10 ng/J NOx Emissions
DO NOT RETURN this water heater to the store or place of purchase.
If you need technical or installation assistance, please call the Technical Support
Lines at 1-800-432-8373.
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.
WITH DAMPER & ELECTRONIC CONTROL
WARNING: This water heater is not suitable
for use in manufactured (mobile) homes!
!
!
!
SCALE 1/1
2
Care and Cleaning
Draining ................ 21
Maintenance ............. 21
Burner Inspection ........ 22
Extended Shut-Down ......22
Safety Information
Safety Precautions ....... 3–6
LP Gas Models ........... 5
Installation Instructions
Location ................. 7
Water Supply Connections .. 9
Flue Damper .............10
Gas Supply .............. 11
Pipe Insulation ............14
Heat Traps ...............14
Installation Checklist .......16
Potable/Space Heating .... 17
Operating Instructions
Lighting Instructions ...... 18
Water Temperature .... 19, 20
Troubleshooting Tips
Before You Call
For Service ........... 23, 24
LED Codes 25, 26
Customer Service
Parts List ................ 27
If You Need Service .......28
FOR YOUR RECORDS
Write the model and serial numbers here:
#
#
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.
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 THIS MANUAL
READ THE SAFETY INFORMATION
!
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:
DANGER
An imminently hazardous situation
that will result in death or serious
injury.
WARNING
A potentially hazardous situation that
could result in death or serious injury
and/or damage to property.
CAUTION
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.
!
!
!
3
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.
IMPORTANT SAFETY INFORMATION
READ ALL INSTRUCTIONS BEFORE USING
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.
!
DANGER!
INSTALL THE DRAFT HOOD AND PROPERLY VENT THE
WATER HEATER…
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.
!
WARNING!
!
!
FLAMMABLES
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.
W ARNING
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. For additional information see the
"Water Temperature Setting" section of this manual.
The temperature of the water in the heater can be
regulated by setting the temperature dial on the front
of the gas control (thermostat). To comply with
safety regulations the gas control(thermostat) was
set at its lowest setting before the water heater was
shipped from the factory.
The table at the left details the approximate water
temperature for each mark on the Gas Control
(Thermostat) Temperature Dial.
Time/Temperature Relationship in Scalds
Water Temperature Time To Produce a Serious Burn
120°F More than 5 minutes
125°F 1
1
/2 to 2 minutes
130°F About 30 seconds
135°F About 10 seconds
140°F Less than 5 seconds
145°F Less than 3 seconds
150°F About 1
1
/2 seconds
155°F About 1 second
Table courtesy of Shriners Burn Institute
!
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.
NOTICE: Mixing valves are recommended for reducing
point of use water temperature by mixing hot and
cold water in branch water lines. It is recommended
that a mixing valve complying with the Standard for
Temperature Actuated Mixing Valves for Hot Water
Distribution Systems, ASSE 1017 be installed. See pages 17
& 19 for more details and contact a licensed plumber or
the local plumbing authority for further information.
IMPORTANT SAFETY INFORMATION
READ ALL INSTRUCTIONS BEFORE USING
!
Valve Set
Point
Estimated
Temperature Burns on Adult Skin
LOW
90°F ------------------------
●
98°F ------------------------
●
105°F ------------------------
●
113°F ------------------------
HOT
120°F More than 5 minutes
A
130°F About 30 seconds
B
140°F Less than 5 seconds
C
150°F About 1-1/2 seconds
VERY HOT
160°F About 1/2 second
!
DANGER: Hotter water
increases the potential for Hot
Water SCALDS.
5
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.
!
DANGER!
LIQUEFIED PETROLEUM (LP)
AND NATURAL GAS MODELS
● 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.
!
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.
6
IMPORTANT SAFETY INFORMATION
READ ALL INSTRUCTIONS BEFORE USING
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.
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.
● Use this appliance only for its intended
purpose as described in this Use and Care
Manual.
● Be sure your appliance is properly installed
in accordance with local codes and the
provided installation instructions.
● 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.
SAFETY PRECAUTIONS
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.
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.
When installed in a closet, DO NOT block
or obstruct any of the combustion air inlet
openings located around the perimeter
of the water heater. A minimum of 1” is
required between these combustion air inlet
openings and any obstruction.
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 pilot or 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.
● 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 this water heater in
bathrooms, bedrooms, any occupied
rooms normally kept closed, or in
unprotected outdoor areas.
● Minimum clearance from combustible
construction:
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.
!
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.
Location Front Sides Rear Top
Alcove
3”
(7.6 cm)
0”
(0 cm)
0”
(0 cm)
12”
(30.5 cm)
Closet
3”
(7.6 cm)
1”
(2.5 cm)
0”
(0 cm)
12”
(30.5 cm)
Rear
Sides
Front Open
Sides
Front Enclosed
Top View Closet
Top View Alcove
Rear
Combustion Air Inlet
Openings
Diameter of
water heater
plus 2” min.
Max.
2”
Flammable
Vapor
Sensor
8
Installing the water heater
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.
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
(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.
NOTICE: The water heater
should not be installed near
an air supply containing
halogenated hydrocarbons.
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 draft hood and/or flue damper
assembly. If you find damage, DO NOT install or attempt any repair to the water heater.
Contact the manufacturer as detailed under the "IF YOU NEED SERVICE" section of
this manual.
9
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
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.
Refer to the following illustration for suggested
typical installation. The installation of unions
or flexible connectors is recommended on the
hot and cold water connections so that the water
heater may be easily disconnected for servicing
if necessary. If flexible water connections are
used, the must comply with the standard for
flexible Water Connectors, ASME A112.18.6/
CSA-B125.6. The HOT and COLD water
connections are clearly marked on the water
heater. Install a shutoff valve in the cold
water line near the water heater. Refer to the
following illustration for suggested typical
installation.
Water Supply Connections
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.
Typical Installation
Heat trap
6” minimum
Heat trap
6” minimum
Union
To gas supply
Sediment trap
Cap
Drain Pan Pipe to suitable drain.
Drain
valve
Relief valve discharge
line to suitable open
drain.
To cold water
supply
6” Air gap
Draft hood
Pitch up 1/4” per foot
Auxiliary catch pan
Union
Anode
Manual gas shut-off
Electronic control
Jacket door
Temperature and
pressure relief valve
Shut-off valve
Shut-off
valve
Thermal
expansion
tank (if
required)
Combustion Air
Inlet Openings
Hot water outlet to
fixtures
Water Heater Jacket
Vent connector to chimney
Flammable vapor sensor
Ground joint union
10
Installing the water heater
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.
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.
DO NOT allow flammable vapor sensor to
become submerged in water.
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.
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.
This water heater has a factory installed
flue damper device for increased energy
efficiency. Removal of the flue damper
connections will render the heater
inoperable. DO NOT operate the water
heater without the damper housing in
place on the damper assembly. A draft
hood is shipped with this water heater.
The draft hood must be installed on the
damper housing using the holes provided
for alignment and fastening. The damper
must be in open position as shown in the
figure when water heater main burner is
operating. See trouble shooting instructions
if a condition other than this occurs.
Flue Damper
Follow these instructions for proper installation and operation
11
Gas Supply
Leak Testing
The water heater and its gas connections
must be leak tested at normal operating
pressures before it is placed in operation.
Turn on the manual gas shut-off
valve near the water heater.
Use a soapy water solution to test for
leaks at all connections and fittings.
Bubbles indicate a gas leak that must
be corrected.
The factory connections to the gas
control (thermostat) should also be leak
tested after the water heater is placed in
operation.
WARNING: Never
use an open flame to
test for gas leaks, as
property damage,
personal injury, or
death could result.
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.
The branch gas supply line to the water
heater should be clean, properly sized,
steel pipe or other approved gas piping
material.
A union or ANSI design certified semi-
rigid 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.
If flexible connectors are used, the
maximum length shall not exceed 36"
(91.4 cm) and must meet the requirements
in ANSI Z21.24/CSA 6.10- Connectors for
Gas Appliances.
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. (42.7 Nm)] in tightening the pipe
joint at the gas control 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 14.0 in. w.c. (3.5 kPa)
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.
Pressure Testing the Gas Supply System
The water heater and its individual shut
off valve must be disconnected from the
gas supply piping system during any
pressure testing of that system at test
pressures in excess of 1/2 psi (3.5 kPa).
The water heater must be isolated from
the gas supply piping system by closing
it's individual manual shut off valve
during any pressure testing of the gas
supply piping system at test pressures
equal to or less than 1/2 psi (3.5 kPa)
High Altitude
This water heater is suitable and certified
for use at high altitude. Refer to the
altitude label on the water heater for
maximum allowable installation altitude.
!
WARNING: Installations above the
rated altitude as specified on the
altitude label 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.
12
Installing the water heater
Wiring Diagram
CAUTION! Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING!
This water heater is factory installed with a 3-pin 24 VAC wall transformer. A 19 foot long length of wire is
provided for easy access to an outlet. DO NOT use an extension cord for powering this water heater. If the
supplied power cord is insufficient to reach a power outlet, a 30 foot power cord assembly is available as an
accessory. Contact the service department to obtain and replace the power cord assembly that was shipped with
the heater.
13
The water heater must be installed with the factory supplied draft hood in place.
Venting
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.
For proper venting in certain
installations a larger vent connector
size may be needed. It is recommended
that a double wall B-Vent connector be
used for venting purposes. Consult the
Vent Tables in Appendix G of the latest
version of the National Fuel Gas Code
(ANSI Z223.1/NFPA 54.)
Horizontal vent connectors must be
pitched upward to the chimney at least
1/4” per linear 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.
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). If the flame or smoke
is not pulled into the draft hood's relief
opening, shut off the water heater and
make proper adjustments/repairs to the
venting system.
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.
Insulation Blankets
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.
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.
The manufacturer disclaims any
responsibility for such loss or injury
resulting from the use of such
unauthorized devices.
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:
● 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 apply insulation to the top
of the water heater. This will interfere
with the safe operation of the draft
hood.
DO NOT cover the burner access
door, jacket door, gas control
(thermostat), or temperature and
pressure 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.
Inspect the insulation blanket
frequently making certain it has not
sagged and is restricting the air flow
to the combustion air inlet openings
(perforation holes) located around the
lower perimeter of the water heater
jacket. This could result in an unsafe
operating condition.
WARNING: If local codes
require external application
of insulation blanket kits the
manufacturer’s instructions
included with the kit must
be carefully followed.
14
Installing the water heater
V Vent Terminal X Air Supply Inlet Area Where Terminal Is Not Permitted
US Installations
1
A - Clearance above grade, veranda, porch,
deck or balcony
12 in. (30 cm)
B - Clearance to window or door that may be
opened
4 ft. (1.2 m) below or to side of opening; 1 ft (300 m) above
opening
C - Clearance to permanately closed window *
D - Vertical clearance to ventilated soft
located above the terminal within a hori-
zontal distance of 2 feet (61 cm) from the
center line of the terminal
*
E - Clearance to unventilated soft *
F - Clearance to outside corner *
G - Clearance to inside corner *
H - Clearance to each side of centerline
extended above meter/regulator assembly
*
I - Clearance to service regulator vent outlet *
J - Clearance to nonmechanical air supply in-
let to building or the combustion air inlet
to any other appliance
4 ft. (1.2 m) below or to side of opening; 1 ft (30 cm) above
opening
K - Clearance to a mechanical air supply
inlet
3 ft. (91 cm) above if within 10 ft. (3 m) horizontally
L - Clearance above paved sidewalk or
paved driveway located on public prop-
erty
*
M - Clearance under veranda, porch, deck,
or balcony
*
1 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Code
* For clearances not specied in ANSI Z223.1/ NFPA 54 the following statement shall be included:
"Clearance in accordance with local installation codes and the requirements of the gas supplier and the manfacture's installation
instructions"
D
V
V
E
FIXED
CLOSED
O
P
ERAB
LE
O
PERABLE
FIXED
CLOSED
v
v
B
L
F
C
B
v
v
v
X
B
B
B
A
J
B
I
H
X
v
M
K
v
G
A
15
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.
T&P Insulation Installation
Typical Side 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.
Typical Top Connect T & P Arrangement.
Hot and Cold Pipe Insulation Installation
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.
Typical vertical piping arrangement
Typical horizontal piping arrangement
Heat Traps
For increased energy efficiency, some water
heaters have been supplied with factory installed
3/4” NPT heat traps in the hot outlet line and
cold water inlet line
These heat traps may require a minimum of
one (1) 90° 3/4” NPT elbow and may require
an additional 90° 3/4” NPT elbow or a 3/4”
coupling depending on your installation needs.
See Illustration of nipples and heat traps on
page 27.
DO
❑ DO check inlet gas pressure to ensure that it is
within the range specified on the rating plate.
❑ DO provide adequate air for combustion and
ventilation as discussed in the Use and Care Manual
and the National Fuel Gas Code.
❑ 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 pilot
or main burner will not stay lit. The burner chamber
is designed to be sealed utilizing a gasket and tamper
resistant screws.
❑ DO ensure that the flue damper is not obstructed
and is free of debris.
DON’T
❑ DON’T block or restrict Combustion Air Inlet
Openings located around the lower portion of the water
heater jacket.
❑ 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 operate the water heater if the sight glass
or burner access door grommet is damaged or broken.
❑ DON'T
manually
open or
close the
damper.
During Installation of this water heater
Burner Access
Door Grommet
Sight
Glass
Flammable
Vapor Sensor
16
Installation Checklist
A. Water Heater Location
B. Water Supply
C. Gas Supply
D. Relief Valve
E. Venting
❑ Close to area of vent.
❑ Indoors and protected from freezing
temperatures.
❑ Proper clearance from combustible surfaces
observed and water heater not installed on
carpeted floor.
❑ Sufficient fresh air supply for proper
operation of water heater.
❑ Air supply free of corrosive elements and
flammable vapors.
❑ Provisions made to protect area from water
damage.
❑ Sufficient room to service heater.
❑ Combustible materials, such as clothing,
cleaning materials, rags, etc. clear of the base
of the heater.
❑ Clearances from combustion air inlet
openings observed refer to the "Location"
section of the "Installing the Water Heater"
portion of this manual.
❑ Flammable vapor sensor is not blocked.
❑ Water heater completely filled with water.
❑ Air purged from water heater and piping.
❑ Water connections tight and free of leaks.
❑ Gas line equipped with shut-off valve, union
and sediment trap.
❑ Approved pipe joint compound used.
❑ Soap and water solution used to check all
connections and fittings for possible gas
leak.
❑ Gas Company inspected installation (if
required).
❑ Temperature and Pressure Relief Valve
properly installed and discharge line run to
open drain.
❑ Discharge line protected from freezing.
❑ Flue baffle properly hung in water heater’s
flue tube.
❑ Draft hood properly installed on flue damper
housing.
❑ Vent connector(s) pitched upward to chimney
(¼" per linear foot minimum) .
❑ Vent connector(s) securely fastened together
with screws.
❑ Single wall vent connector(s) at least 6” from
combustible material.
❑ Flue damper properly installed and operating
normally..
F. Wiring
❑ Correct power supply (24 VAC)
transformer.
❑ Electrical connection tight.
❑ Heater properly grounded and proper
polarity observed.
17
Tee fitting for vertical hot
water supply lines.
Hot water
supply to
house
From HOT
outlet on
water heater
Hot water
supply to
heating
unit
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.
Tee fitting for horizontal hot
water supply lines.
From HOT
outlet on
water heater
Hot water
supply to
house
Hot water supply
to heating unit
Combination Potable and Space Heating Application
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.
DANGER: When this system requires
water for space heating at elevated
temperatures (above 125°F [52°C.]), a
mixing valve complying with the Standard
for Temperature Actuated Mixing Valves
for Hot Water Distribution Systems, ASSE
1017 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: Suitable for (potable) water
heating and space heating applications.
DO NOT use for space heating application
only.
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.
Typical Piping Diagram for Combination Potable/Space Heating Installation
NOTICE: 50' - 0" maximum
distance from water heater to fan
coil (developed length) is required
for Massachusetts State.
Spring loaded check valve in heating unit
hot water supply line and cold water return
line (not supplied with water heater)
NOTE: 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.
All water piping shall be insulated in
accordance with Local and State Energy
Code.
Isolation valve in
cold water return line
from heating unit (not
supplied with water
heater)
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.
Temperature and pressure relief
valve discharge line
Air Handler
Drain valve
(not supplied with
water heater)
Hot water
to space heater
Temperature and Pressure Relief
Valve, tie to location approved by
local code
See diagrams above for proper
pipe application for vertical
or horizontal supply lines.
Isolation valve in hot water supply line
to heating unit (not supplied with water
heater)
3/4" cold
water supply
3/4" Tempered
domestic hot water
supply to house.
Gas line to water heater
6” Air Gap
Combustion Air Inlet
Openings
2 Gallon Thermal
Expansion Tank
(if required-not
supplied with
water heater)
Air vent
Heat Trap
6” Min.
3/4" Shut-Off Valve (Typ.)
3/4" Check Valve with 1/8" Hole
Pressure Gauge
3/4" Shut-Off
Valve (Typ.)
3/4" Shut-
Off Valve
(Typ.)
Piping loop between water
heater and fan coil shall
be flow guard gold CPVC
or equal
Hot water coil
All bronze pump.
Check valve
internal in pump.
Air bleed valve.
Water Sample Tap.
T
FAN
ON
OFF
HEAT
COOL
To HVAC Unit.
Electronically controlled pump timer.
Activates every 6 hours for 60 seconds.
Wire to bronze pump.
3/4" HWS & HWR
to Heating Coil.
Minimum of 2'-0" developed length of
3/4" type "L" copper from the water
heater connection.
Water Heater drain pan installed in
accordance with the Local and State
Code
Water Heater to be in accordance with
the Local and State Energy Code
Gas Fired
Water Heater
Gas Vent discharge must
comply with Local and
State Code
Vacuum Relief Valve
(Not Supplied)
If required, install per local codes
and valve manufacturer’s
instructions.
1
2
0
°
t
o
1
3
0
°
F
1
4
0
°
F
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
OPERATING INSTRUCTIONS
TO TURN OFF GAS TO APPLIANCE
If you cannot reach your gas supplier,
call the fire department.
instructions.
C.
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!
Use only your hand to turn the thermostat
dial. Never use tools. If the dial will
not turn by hand, do not try to repair it,
call a qualified service technician. Force
or attempted repair may result in fire or
explosion.
D.
9.
10.
STOP! Read the safety information above
on this label.
Set the thermostat dial to the lowest
setting
Slide the “ON/OFF” switch located on
the gas control to the “OFF” position.
Turn off all electric power to the
appliance.
This appliance is equipped with an
ignition device which automatically
lights the pilot. DO NOT attempt to light
the pilot by hand.
Wait five (5) minutes to clear out any gas.
If you smell gas, STOP! Follow “B’ in the
safety information a
bove on this label. If
you do not smell gas, go to the next step.
Turn on electric power to the appliance.
Slide the ”ON/OFF” switch located on
the gas control to the “ON” position.
1.
3.
2.
1.
2.
3.
4.
5.
6.
7.
8.
Immediately call your gas supplier from a
neighbor’s phone. Follow the gas suppliers
DO NOT try to light any appliance.
DO NOT touch any electric switch; do not
use any phone in your building.
WHAT TO DO IF YOU SMELL GAS
This appliance is equipped with an
ignition device which automatically lights
the pilot. DO NOT try to light the pilot by
hand.
A.
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.
B.
Set the thermostat dial to the desired
setting.
If the appliance will not operate,
follow the instructions “TO TURN OFF
GAS TO APPLIANCE” and call your
service technician or gas supplier.
Set the thermostat dial to the lowest setting.
Slide the “ON/OFF” switch located on the gas control to the “OFF” position.
Turn off all electric power to the appliance if service is to be performed.
4.
Close the manual gas shut-off valve.
WARNING: If you do not follow these instructions and use the Use & Care
Manual instructions exactly, a fire or explosion may result causing property damage,
personal injury or loss of life.
19
Safety Precautions
DO turn off manual gas shut-off valve if water
heater has been subjected to over heating, fire,
flood, physical damage or if the gas supply fails to
shut off.
DO NOT turn on water heater unless it is
completely filled with water.
DO NOT turn on water heater if cold water supply
shut-off valve is closed.
DO NOT allow combustible materials such as
newspaper, rags or mops to accumulate near water
heater.
DO NOT store or use gasoline or other flammable
vapors 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 vapors
lighting.
NOTICE: Flammable vapors can be drawn by air
currents from surrounding areas to the water heater.
If 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 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.
DANGER: Hotter water
increases the Potential for
Hot Water SCALDS.
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.
Water Temperature Setting
The temperature of the water in the
water heater can be regulated by setting
the temperature dial on the front of the
gas control (thermostat).
Safety and energy conservation
are factors to be considered when
selecting the water temperature
setting of the water heater’s gas
control (thermostat(s)). The lower the
temperature setting, the greater the
savings in energy and operating costs.
To comply with safety regulations, the
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.
Water temperatures above 125°F 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 recommended for
reducing point of use water temperature
by mixing hot and cold water in
branch water lines. It is recommended
that a mixing valve complying
with the Standard for Temperature
Actuated Mixing Valves for Hot Water
Distribution Systems, ASSE 1017 be
installed. See page 4 for more details
and 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 proper
water temperature for your home.
This water heater is equipped with an
ignition device which automatically
lights the pilot. DO NOT try to light
the pilot by hand. On initial start-up,
it is recommended that the outer door
be removed (leave inner door in place
for safety) to determine if the pilot and
main burner are operating properly.
Once filled with water, plug in the
electrical supply cord and slide the
“ON/OFF” switch located on the front
of the combination gas control to the
“ON” position. Set the thermostat dial
to the desired setting.
After the pilot and main burner ignite,
replace the outer door. If no pilot and
main burner flames are established, the
combination gas control will go through
three trials for ignition before going into
a “lock-out” mode. A warning light will
alert the user of this “lock-out” mode
condition. If this happens, refer to the
“Gas valve LED codes.”
Operating Procedure
20
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.
A condition known as “stacking” or “layering” can occur
when a series of short and frequent hot water draws are
taken.
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 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 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 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 control
valve to the appliance
NOTICE: Replace any part of the gas control system
which has been under water.
If the water heater has been subjected to re, ood or physi-
cal damage, turn off the manual gas control (shutoff) valve
and DO NOT operate the water heater again until it has been
checked by a qualied service technician.
Time/Temperature Relationship in Scalds
Water Temperature Time To Produce a Serious Burn
120°F More than 5 minutes
125°F 1
1
/2 to 2 minutes
130°F About 30 seconds
135°F About 10 seconds
140°F Less than 5 seconds
145°F Less than 3 seconds
150°F About 1
1
/2 seconds
155°F About 1 second
Table courtesy of Shriners Burn Institute
Water Temperature Setting
90° F
113°F
98°F
105°F
120°F
130°F
140°F
150°F
160°F
21
Care and cleaning of the water heater
Draining the Water Heater
CAUTION: Shut off gas to the water
heater at the gas control (thermostat)
gas cock or 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 suitable drain to prevent injury
or damage.
Before turning off the cold water supply to
the water heater, open a hot water faucet
allowing sufficient cold water into the
tank to prevent the risk of a scald injury
while draining the water heater. Once the
water in the tank is no longer hot, turn off
the cold water supply to the water heater.
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.
Housekeeping
Make sure the flammable vapor sensor is
not blocked or obstructed.
To ensure sufficient ventilation and
combustion air supply, proper clearances
must be maintained.
When installed in a closet, DO NOT
block or obstruct any of the combustion
air inlet openings located around
the perimeter of the water heater. A
minimum of 1” is required between
these combustion air inlet openings and
any obstruction.
DANGER: Combustible
materials, such as clothing,
cleaning materials, or
flammable liquids, etc., must
not be placed against or next
to the water heater.
Routine Preventative Maintenance
Properly maintained, your water heater will
provide years of dependable trouble-free
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.
Periodically, 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
the tank. If allowed to accumulate, these
solids can cover the gas control (thermostat)
sensors, causing the sensors to operate
erratically. Because accumulated solids
can prevent the gas control (thermostat)
sensors from accurately reading the water
temperature, the water at the fixture can be
hotter than the gas control (thermostat) dial
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.
!
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: Hotter water
increases the potential for
Hot Water Scalds.
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.
!
!
!
!
!
22
Venting System Inspection
The water heater’s internal flue must be
inspected annually to be certain it is clean
by removing the damper and flue baffle.
When reinstalling the flue baffle make
certain it is hung securely by its hanger at
the top of the flue way.
Reinstall the flue damper and the draft
hood.
Inspect the gas venting system and the
chimney.
Make certain the vent connector from
the draft hood to the vent system and/
or chimney is properly positioned and
securely attached.
If after inspection of the vent system you
find 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. The flame or smoke
should be pulled into the draft hood’s relief
opening(s). If the flame or smoke is not
pulled into the draft hood's relief opening,
shut off the water heater and make proper
adjustments/repairs to the venting system.
Burner Inspection
Visually inspect the pilot burner and main
burner annually.
Through the sight glass, inspect the pilot
burner flame 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.
The burner operates in radiant mode
and glows bright orange when burning
correctly. Allow approximately 30 seconds
after turning on for the burner to reach the
radiant mode
CAUTION: For your safety, cleaning of
the burner must be performed only by
qualified service personnel. The burner
chamber is a sealed area. If the burner inner
door is removed, burner access door gasket
must be replaced.
For cleaning, remove the inner door and
inner door 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. Refer to page 23.
Care and cleaning of the water heater
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.
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.
NOTICE: Refer to the
Hydrogen Gas Caution in the
Operating Instructions.
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.
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.
Proper burner flame
pattern
Gas ame
should be vis-
ible on entire
burner surface.
23
Before You Call For Service
CAUTION: For your safety DO NOT attempt repair of gas piping, gas control (thermostat), burners, vent connectors or other
safety devices. Refer repairs to qualified service personnel.
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 a
new heater is lled for the rst
time
• This is normal. After the water in the tank warms up,
the condensation will disappear. If, however, the condi-
tion persists, examine the piping and ttings for pos-
sible leaks. Refer to the "Condensation" information in
the "Installing the Water Heater" section of this manual.
Moisture from the products of
combustion condensing on the
tank surface.
• This is normal and will disappear in time. Excessive
condensation can cause main burner outage. Refer to
the "Condensation" information in the "Installing the
Water Heater" section of this manual.
An undersized water heater will
cause condensation.
• Use a water heater size that meets the requirements of
your needs.
Yellow flame
or soot
Scale on top of the burner. • Contact a qualied service technician to clean the
burner.
Flue or combustion air inlet
openings are restricted.
• Remove obstruction or debris from ue or combustion
air inlet openings on water heater jacket.
Not enough combustion or ven-
tilation air supplied to the water
heater location.
• Proper operation of the water heater requires air for
combustion and ventilation. See the "Combustion and
Ventilation Air" information in the "Installing the Water
Heater" section of this manual.
Unable to light
main burner
Air in gas line. • Contact a qualied service technician to purge air from
the gas line.
Pilot burner orice clogged. • Pilot should be cleaned or replaced by a qualied ser-
vice technician.
Pilot burner tube pinched or
clogged.
• The pilot burner should be cleaned, repaired, or re-
placed by a qualied service technician.
Damper unable to open. • Contact a qualied service technician to evaluate
damper.
• Refer to "Gas Valve Error Codes" in the "Gas Valve
LED Codes" section of this manual.
Wire connection(s) not fully
secured.
• Contact a qualied service technician to conrm wire
connection(s).
Combustion shut-off device
tripped.
• Combustion shut-off device should be inspected by a
qualied service technician.
Gas control (thermostat) prob-
lem.
• Contact a qualied service technician.
• Refer to "Gas Valve Error Codes" in the "Gas Valve
LED Codes" section of this manual.
Main burner does
not stay lit
Combustion shut-off device
tripped.
• Combustion shut-off device should be inspected by a
qualied technician.
Gas control (thermostat) shut-
off device tripped.
• Contact a qualied service technician.
24
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.
CAUTION: For your safety DO NOT attempt repair of garol (thermostat), burners, vent connectors, dampers, or other
safety devices. Refer repairs to qualified service personnel.
Problem Possible Causes What To Do
Rumbling noise Scale and sediment Drain the water heater to remove scale and sediment from
the tank. Refer to the top of page 20.
Relief valve producing
popping noise or
draining
Pressure build up caused by
thermal expansion to a closed
system.
This is an unacceptable condition and must be corrected.
Contact the water supplier or plumbing contractor on how to
correct this. DO NOT plug the relief valve outlet.
Not enough or no hot
water
Water usage may have
exceeded the capacity of the
water heater.
Wait for the water heater to recover after an abnormal
demand.
Low gas pressure. Check gas supply pressure and manifold pressure.
The Gas Control (thermostat)
may be set too low.
See the “Water Temperature Setting” of The Water 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 on page 24.
“ON/OFF” switch turned off. Turn “ON”.
Gas Control (thermostat)
shutoff device has tripped.
Contact a qualified service technician.
Combustion Shutoff System
tripped
Contact a qualified service technician.
Water is too hot The Gas Control (thermostat) is
set too high.
See the “Water Temperature Setting” of The Water Heater
section of this manual.
Gas Control (thermostat) is
Defective.
Contact a qualified service technician to replace the Gas
Control (thermostat).
CAUTION: For your safety DO NOT attempt repair of gas piping, gas control (thermostat), burners, vent connectors or other
safety devices. Refer repairs to qualified service personnel.
25
Gas Valve LED Codes
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, remote control, burners, vent connectors or other
safety devices. Refer repairs to qualified service personnel.
GAS VALVE LED STATUS/PROBLEM PROBABLE CAUSE SOLUTION
Short ash once ev-
ery four seconds
Normal Operating
Condition/ No Fault
Condition
Water Temperature setpoint has been
achieved
None required
“Heartbeat”, alter-
nates bright/dim
Calling For Heat/No
Fault Conditions
Water temperature is below setpoint and
burner is on
None required
One Flash, three
second pause
Control still operating/
Low ame signal
• Pilot tube restricted or damaged
• Carbon build-up on pilot's electrode
• Pilot igniter wire damaged
• Gas supply problems
• Replace Pilot assembly
• Correct gas supply
Two Flashes, three
second pause.
Sytem in Lockout/Flue
Damper Switch closed
• Flue Damper improperly sealed
• Flue Damper switch stuck closed
• Faulty Flue Damper motor
• Obstruction or debris in damper open-
ing
• Inspect Flue Damper wiring and con-
nections
• Replace Flue Damper Assembly
• Contact a qualied service techni-
cian. See "IF YOU NEED SER-
VICE" on page 28
Three Flashes, three
second pause
System in Lockout/Flue
Damper Switch open
• Flue Damper improperly installed
• Flue Damper switch stuck open
• Faulty Flue Damper switch
• Incorrect wiring and/or connections
• Faulty Flue Damper motor
• Obstruction or debris in damper open-
ing
• Inspect wiring and connections
• Replace Flue Damper Assembly
• Contact a qualied service techni-
cian. See "IF YOU NEED SER-
VICE" on page 28
Four Flashes, three
second pause
System in Lockout/
Thermal Cutoff Device
tripped
• Thermal well fault in Gas Control
(Thermostat)
• Gas Control (Thermostat) faulty
• Tank not lled with water
• Reset Gas Control (Thermostat) and
check for proper cycling of control.
• Replace Gas Control (Thermostat)
• Ensure tank is completely lled with
water
Five Flashes, three
second pause
System in Lockout/No
Flame Sense
Pilot and/or Main Burner valve has
failed to open
Replace the Gas Control (Thermostat)
Six-One Flashes,
three second pause
System in Lockout/
Unit failed to light
• Pilot ame unstable
• Pilot tube restricted or damaged
• Carbon build-up on pilot's electrode
• Pilot igniter wire damaged
• Gas supply problem(s)
• Replace Pilot assembly
• Correct gas supply
Six-Two Flashes,
three second pause
System in Lockout/
Flue Damper Switch
opened
• Improper Flue Damper installation
• Faulty Flue Damper switch
• Incorrect wiring and/or connections
• Inspect Flue Damper wiring and con-
nections
• Replace Flue Damper Assembly
• Contact a qualied service techni-
cian. See "IF YOU NEED SER-
VICE" on page 28
Six-Three Flashes,
three second pause
System in Lockout/
Flame Lost
• Combustion air supply restricted or
blocked
• Pilot tube restricted or damaged
• Carbon build-up on pilot's electrode
• Pilot igniter wire damaged
• Gas supply problem(s)
• Ensure combustion air supply is not
blocked or restricted
• Replace Pilot assembly
• Correct gas supply
ADDITIONAL CODES ON THE NEXT PAGE
26
GAS VALVE LED STATUS/PROBLEM PROBABLE CAUSE SOLUTION
Six-Four Flashes, three
second pause
System in Lockout/Flame
sense out of sequence
Gas Control (Thermostat's) valve
stuck open
Replace Gas Control (Thermostat)
Seven Flashes, three
second pause
System in Lockout/Pres-
ence of Flammable Va-
pors detected
• Gasoline or other ammable
vapor(s) were detected
• Faulty Flammable Vapor Sensor
• Faulty Gas Control (Thermostat)
• Ensure that no ammable vapor(s) are
present
• Reset the Gas Control (Thermostat)
using "ON/OFF" switch located on the
front of the control
• Replace Flammable Vapor Sensor
• Replace Gas Control (Thermostat)
Eight-One Flash, three
second pause
System in Lockout/Flam-
mable Vapor Sensor fault
detected
• Flammable vapor sensor values
out of range
• Improper Flammable Vapor Sen-
sor wiring and/or connection(s)
• Faulty Flammable Vapor Sensor
• Inspect the Flammable Vapor Sensor
wiring and connection(s)
• Replace Flammable Vapor Sensor
• Replace Gas Control (Thermostat)
Eight-Two Flashes,
three second pause
System in Lockout/En-
ergy cutoff device fault
detected
• Thermal well fault in Gas Control
(Thermostat)
• Inspect the wiring connection(s) to the
thermal well
• Replace the thermal well
Eight-Three Flashes,
three second pause
System in Lockout/Fault
in the electronics circuit
detected
• Thermal well fault in Gas Control
(Thermostat)
• Faulty Gas Control (Thermostat)
• Replace thermal well
• Replace Gas Control (Thermostat)
Eight-Four Flashes,
three second pause
System in Lockout/Fault
with the Gas Control
(Thermostat)
• Gas Control (Thermostat) needs to
be reset
• Gas Control (Thermostat) has been
damaged
• Cycle the power to the Gas Control
(Thermostat)
• Replace the Gas Control (Thermostat)
Nine Flashes, three
second pause
Chamber Sensor Fault
• Sensor Unplugged.
• Sensor Fault
Replace Sensor
Nine -Two Flashes,
three second pause
Chamber Temperature
Fault
Insufcient supply air detected Contact Authorized Service Provider
Gas Valve LED Codes cont.
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, remote control, burners, vent connectors or other safety
devices. Refer repairs to qualified service personnel.
27
Replacement Parts
Instructions For Placing a Parts Order
All parts orders should include:
The model and serial number of the water
heater from the rating plate.
Specify type of gas (natural or LP) as
marked on the rating plate.
Part description (as noted below) and
number of parts desired.
CAUTION: For your safety, DO NOT
attempt repair of gas piping, gas control
(thermostat), burners, vent connectors or
other safety devices. Refer repairs to
qualified service personnel.
Heat
Trap
Nipple
Temperature and
pressure relief valve
Gas Control (Thermostat)
Dip tube
Drain valve
Heat Trap Nipple
*Burner
Jacket Door
Inner Door Burner Assembly
Burner Access Door Gasket
Filter Door
Anode rod
Draft Hood
Flue Damper Housing
The kit provides extra speed clips and tamper resistant screws.
Burner
Pilot Tube
Burner Access
Door Gasket
Burner Access
Door Assembly
28
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:
800 Interstate Park Drive
Montgomery, Alabama 36109
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.
The Commonwealth of Massachusetts requires compliance with regula-
tion 5.08: Modications to NFPA-54, Chapter 10 : 248 CMR 4.00
and 5.00 for installation of through – the – wall vented gas appliances as
follows:
(1) Revise NFPA-54 section 10.5.4.2 by adding a second exception as fol-
lows:
Existing chimneys shall be permitted to have their use continued when a gas
conversion burner is installed, and shall be equipped with a manually reset
device that will automatically shut off the gas to the burner in the event of a
sustained back-draft.
(2) Revise 10.8.3 by adding the following additional requirements:
(a) For all side wall horizontally vented gas fueled equipment installed in
every dwelling, building or structure used in whole or in part for residential
purposes, including those owned or operated by the Commonwealth and
where the side wall exhaust vent termination is less than seven (7) feet above
nished grade in the area of the venting, including but not limited to decks
and porches, the following requirements shall be satised:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time
of installation of the side wall horizontal vented gas fueled equipment, the
installing plumber or gastter shall observe that a hard wired carbon monox-
ide detector with an alarm and battery back-up is installed on the oor level
where the gas equipment is to be installed. In addition, the installing plumber
or gastter shall observe that a battery operated or hard wired carbon mon-
oxide detector with an alarm is installed on each additional level of the dwell-
ing, building or structure served by the side wall horizontal vented gas fueled
equipment. It shall be the responsibility of the property owner to secure the
services of qualied licensed professionals for the installation of hard wired
carbon monoxide detectors
a. In the event that the side wall horizontally vented gas fueled equipment is
installed in a crawl space or an attic, the hard wired carbon monoxide detec-
tor with alarm and battery back-up may be installed on the next adjacent oor
level.
b. In the event that the requirements of this subdivision can not be met at the
time of completion of installation, the owner shall have a period of thirty (30)
days to comply with the above requirements; provided, however, that during
said thirty (30) day period, a battery operated carbon monoxide detector with
an alarm shall be installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon
monoxide detector as required in accordance with the above provisions shall
comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certied.
3. SIGNAGE. A metal or plastic identication plate shall be permanently
mounted to the exterior of the building at a minimum height of eight (8) feet
above grade directly in line with the exhaust vent terminal for the horizon-
tally vented gas fueled heating appliance or equipment. The sign shall read,
in print size no less than one-half (1/2) inch in size, "GAS VENT DIRECTLY
BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS".
4. INSPECTION. The state or local gas inspector of the side wall horizon-
tally vented gas fueled equipment shall not approve the installation unless,
upon inspection, the inspector observes carbon monoxide detectors and
signage installed in accordance with the provisions of 248 CMR 5.08(2)(a)1
through 4.
(b) EXEMPTIONS: The following equipment is exempt from 248 CMR
5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled "Equipment Not Required To
Be Vented" in the most current edition of NFPA 54 as adopted by the Board;
and
2. Product Approved side wall horizontally vented gas fueled equipment in-
stalled in a room or structure separate from the dwelling, building or structure
used in whole or in part for residential purposes.
(c) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING
SYSTEM PROVIDED. When the manufacturer of Product Approved side
wall horizontally vented gas equipment provides a venting system design or
venting system components with the equipment, the instructions provided
by the manufacturer for installation of the equipment and the venting system
shall include:
1. Detailed instructions for the installation of the venting system design or
the venting system components; and
2. A complete parts list for the venting system design or venting system.
(d) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING
SYSTEM NOT PROVIDED. When the manufacturer of a Product Approved
side wall horizontally vented gas fueled equipment does not provide the parts
for venting the ue gases, but identies "special venting systems", the fol-
lowing requirements shall be satised by the manufacturer:
1. The referenced "special venting system" instructions shall be included with
the appliance or equipment installation instructions; and
2. The "special venting systems" shall be Product Approved by the Board,
and the instructions for that system shall include a parts list and detailed
installation instructions.
(e) A copy of all installation instructions for all Product Approved side wall
horizontally vented gas fueled equipment, all venting instructions, all parts
lists for venting instructions, and/or all venting design instructions shall
remain with the appliance or equipment at the completion of the installation.
(3) After NFPA-54 section 10.10.4.2 add a new section 10.10.4.3 as follows:
When more than four gas appliances are to be vented through a common
gas vent or common horizontal vent manifold, a plan of the proposed vent
installation shall be submitted to the Inspector and the serving gas supplier
for review and approval.
Important Instructions for the Commonwealth of Massachusetts
