Rheem PROG48-48U Professional Classic Series Ultra Low NOx User Manual

AP22858

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.

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!

Use & Care Manual

With Installation Instructions for the Installer

Water Heaters

Residential Gas - FVIR Certified

WARNING: This water heater is not suitable

for use in manufactured (mobile) homes!

El manual en Español está disponible en www.rheem.com.

Care and Cleaning

Draining ................ 19

Maintenance ............. 19

Burner Inspection ........ 20

Extended Shut-Down ......20

Safety Information

Safety Precautions ....... 3–6

LP Gas Models ........... 5

Installation Instructions

Location ................. 7

Water Supply Connections .. 9

Gas Supply .............. 11

Heat Traps ...............12

Pipe Insulation ............13

Installation Checklist .......14

Potable/Space Heating .... 15

Operating Instructions

Lighting Instructions ...... 16

Water Temperature .... 17, 18

Troubleshooting Tips

Before You Call

For Service ........... 21-23

Customer Service

Parts List ................ 24

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 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.

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.

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

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 (49°C) 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 17 and 18 for more details.)

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 illustration at the left details the approximate

water temperature for each mark on the Gas Control

(Thermostat) Temperature Dial.

DANGER: Hotter water increases the potential for

Hot Water SCALDS.

Time/Temperature Relationship in Scalds

Water Temperature Time To Produce a Serious Burn

120°F (49°C) More than 5 minutes

125°F (52°C) 1

/2 to 2 minutes

130°F (54°C) About 30 seconds

135°F (57°C) About 10 seconds

140°F (60°C) Less than 5 seconds

145°F (63°C) Less than 3 seconds

150°F (66°C) About 1

/2 seconds

155°F (68°C) About 1 second

Table courtesy of Shriners Burn Institute

DANGER

HOT

Water temperature over 125° F (52°C)

can cause severe burns instantly or

death from scalds.

Children, disabled and elderly are

at highest risk of being scalded.

See instruction manual before

setting temperature at water

heater.

Feel water before bathing or

showering.

Temperature limiting valves are

available, see manual.

BURN

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 (52°C)

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 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.

IMPORTANT SAFETY INFORMATION.

READ ALL INSTRUCTIONS BEFORE USING.

91°F (33°C)

125°F (52°C)

130°F (54°C)

140°F

(60°C)

150°F (66°C)

155°F

(68°C)

120°F (49°C)

Temperatures are approximate

IMPORTANT SAFETY INFORMATION.

READ ALL INSTRUCTIONS BEFORE USING.

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 - PROPANE OR BUTANE)

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.

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.

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

FOR INSTALLATIONS IN THE STATE OF CALIFORNIA

California Law requires that all new and replacement water heaters, and all existing

residential water heaters, must be braced, anchored, or strapped to resist falling or

horizontal displacement due to earthquake motion. At a minimum, any water heater

shall be secured in accordance with the California Plumbing Code, or modifications

made thereto by a city, country, or city and country pursuant to Section 17958.5. Generic

instructions for California titled "Guidelines for Earthquake Bracing Residential Water

Heaters" can be obtained by:

∙ Writing the California, Department of General Services, Division of State Architect,

1102 Q Street, Suite 5100, Sacramento, CA 95814

∙ Calling (916) 445-8100

∙ Following web address:

https://www.dgs.ca.gov/-/media/Divisions/DSA/Publications/gas_shutoff/

waterheaterbracing

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.

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.

Rear

Sides

Front Open

Sides

Front Enclosed

Top View Closet

Top View Alcove

Rear

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.

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.

● 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:

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 in. 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 5” in all directions.

Location Capacity

(Gal.)

Front

(In.)

Sides

(In.)

Rear

(In.)

Top

(In.)

Alcove

98 3

1 0 12

48,63,75

0 0 12

Closet

All

3 1 0 12

Combustion Air Inlet

Openings

The auxiliary drain pan

installation MUST conform

to local codes.

Diameter of

water heater

plus 2” min.

Max.

2”

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.

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.

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

Inspect the water heater for possible

damage. Check the markings on the rating

plate of the water heater to be certain the

type of gas supplied corresponds to the

water heater requirements.

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 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

3/4” NPT on all models. Install a shut-off valve

in the cold water line near the water heater.

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.

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.

Vacuum Relief Valve

(Not Supplied)

If required, install per local codes

and valve manufacturer’s

instructions.

Typical Installation

Heat trap

6” minimum

Heat trap

6” minimum

Union

To gas supply

Sediment trap

Cap

Ground joint union

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 drain pan

Union

Anode

Manual gas shut-off

Thermostatic gas valve

Jacket door

Temperature and

pressure relief 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

Installing the water heater.

A new combination temperature and pressure relief valve, complying with the Standard for Relief

Valves for Hot Water Supply Systems, ANSI Z21.22 • CSA 4.4 is factory installed 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.

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.

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.

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.

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.

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, or 1/2 psi (14” w.c.) for

LP gas.

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, or

1/2 psi (14” w.c.) for LP gas.

Gas Supply

The branch gas supply line to the water

heater should be clean 1/2” black steel

pipe or other approved gas piping

material.

A ground joint 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”.

If lever type gas shut-offs are used,

they shall be T-Handle type.

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 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 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 10.5” w.c. for natural gas,

or 14” w.c. for LP 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.

WARNING: Never use

an open flame to test for

gas leaks, as property

damage, personal injury, or

death could result.

Installing the water heater.

The water heater must be installed with the factory supplied draft hood in place.

Insulation Blankets

Venting

This water heater is a Category I -Natural Draft

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.

When an existing Category I appliance is removed

or replaced, the original venting system may

no longer be sized to properly vent the attached

appliances. Instructions shall also indicate effects of

an improperly sized venting system (formation of

condensate, leakage, spillage, etc.)

For proper venting in certain installations a larger

vent connector size may be needed. Consult the Vent

Tables in Appendix G of the latest version of the

National Fuel Gas Code (ANSI standard Z223.1 or

NFPA 54).

Multi-story and common venting is permitted in

accordance with the National Fuel Gas Code, ANSI

Z223.1/NFPA 54, and/or the Natural Gas and Propane

Installation Code, CSA B149.1, (current editions).

IMPORTANT: Multi-story and common venting is

NOT permitted for direct vent water heaters, water

heaters for installation in manufactured homes (mobile

homes), water heaters for installation in recreational

vehicles, or water heaters for outdoor installation.

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.

In applicable climates, perodically inspect the vent

terminal to ensure it is not blocked by snow.

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).

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)/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.

 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.

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.

WARNING: If

local codes require

external application

of insulation blanket

kits the

manufacturer’s

instructions included

with the kit must be

carefully followed.

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 23.

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.

 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.

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.

COLD

HOT

Typical vertical piping arrangement

COLD

HOT

Typical horizontal piping arrangement

During Installation of this water heater...........

Hot and Cold Pipe 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.

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.

Sight Glass

Pilot Assembly

Door Grommet

Installing the water heater.

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 (see page 7).

 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 top of heater’s

flue.

 Draft hood properly installed.

 Vent connector(s) pitched upward to chimney

(¼" per foot of length minimum) .

 Vent connector(s) securely fastened together

with screws.

 Single wall vent connector(s) at least 6” from

combustible material.

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

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.

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.

NOTICE: 50' - 0" maximum

distance from water heater to fan coil

(developed length) is required for

Massachusetts State.

NOTICE: Suitable for combination

water (potable) heating and space heat-

ing and not suitable for space heating

application only.

Typical Piping Diagram for Combination Potable/Space Heating Installation

Spring loaded check valve in heating unit

hot water supply line and cold water return

line (not supplied with water heater)

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.

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

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.

FAN

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 Direct 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.

See diagrams above for proper

pipe application for vertical

or horizontal supply lines.

140°F (60°C)

120°F to 130°F

(49°C to 54°C)

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 OPER A TING

LIGHTING INSTRUCTIONS

TO TURN GAS OFF TO THE APPLIANCE

WARNING:

If you do not follow these instructions and the Use & Care

Manual instructions exactly, a re or explosion may result causing property

damage, personal injury or loss of life.

If you cannot reach your gas supplier,

call the re department.

Use only your hand to turn the gas control

knob. Never use tools. If the knob will not

turn by hand, don’t try to repair it, call a

qualied service technician. Force or

attempted repair may result in a re or

explosion.

Do not use this appliance if any part has

been under water. Immediately call a

qualied installer or service agency to

replace a ooded water heater. Do not

attempt to repair the unit! It must be

replaced!

This appliance has a pilot which is lit by a

piezo-electric spark gas ignition system.

BEFORE LIGHTING smell all around the

appliance area for gas. Be sure to smell

next to the oor because some gas is

heavier than air and will settle on the oor.

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.

Do NOT open the inner door of this

appliance and try to light the pilot by

hand!

•

STOP! Read safety information above on this label.

Rotate the combination gas control/thermostat knob counter-clockwise  to the “OFF”

position.

Wait ve (5) minutes to clear out any gas. If you smell gas, STOP! Follow “B” in the safety

information above on this label. If you don’t smell gas, go to the next step.

Remove the outer door from the water heater. Do not attempt to remove the inner door

assembly. Locate the piezo-electric spark generator button which is just below the combina-

tion gas control/thermostat knob.

Rotate the combination gas control/thermostat knob clockwise  to the “PILOT” position.

Depress and hold the combination gas control/thermostat knob all the way in while immedi-

ately depressing the piezo-electric spark generator button several times until the “STATUS”

indicator light begins to blink. Once the “STATUS” indicator light begins to blink, verify the

pilot is lit by viewing the pilot ame through the sight glass window located on the inner

door.

• If the “STATUS” indicator light does not start blinking after 90 seconds and the pilot is not

lit, repeat steps 2 through 6.

• If the pilot will not stay lit after several lighting sequence attempts, turn the combination

gas control/thermostat knob counter-clockwise  to the “OFF” position and call your service

technician or gas supplier.

Replace the outer door.

Release the combination gas control/thermostat knob. The knob should

pop back out.

• If the combination gas control/thermostat knob does not pop back

out when released, stop and immediately call your service technician or

gas supplier.

Set the combination gas control/thermostat knob to the desired setting.

Rotate the combination gas control/thermostat knob counter-clockwise  to the “OFF”

position. Note: The “STATUS” indicator light will briey stay lit, then go o after a short

period of time.

Time/Temperature Relationship in Scalds

Water Temperature Time To Produce a Serious Burn

120°F (49°C) More than 5 minutes

125°F (52°C) 1

/2 to 2 minutes

130°F (54°C) About 30 seconds

135°F (57°C) About 10 seconds

140°F (63°C) Less than 5 seconds

145°F (63°C) Less than 3 seconds

150°F (66°C) About 1

/2 seconds

155°F (68°C) About 1 second

Table courtesy of Shriners Burn Institute

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

(49°C) 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 (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. (See page 4 for more details.)

The chart below may be used as a guide in

determining the proper water temperature

for your home.

Operating the water heater.

Water Temperature Setting…

125°F (52°C) APPROX.

130°F (54°C) APPROX.

140°F (60°C) APPROX.

150°F (66°C) APROX.

155°F (68°C) APPROX.

90°F (32°C) APPROX.

Temperatures are approximate

120°F (49°C) APPROX.

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.

The reference mark "Low" represents an

approximate water temperature of 91°F

(33°C).

The reference mark "Hot" represents an

approximate water temperature of 125°F

(52°C).

The reference mark "A" represents an

approximate water temperature of 130°F

(54°C).

The reference mark "B" represents an

approximate water temperature of 140°F

(60°C).

The reference mark "C" represents an

approximate water temperature of 150°F

(66°C).

The reference mark "Very Hot" represents

an approximate water temperature of 155°F

(68°C).

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 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 shut-

off device designed to shut off the gas

supply to the burner if the pilot flame is

extinguished for any reason.

The combination gas control (thermostat)

is also equipped with a single use gas shut

off 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.

If the water heater has been subjected to

fire, flood or physical damage, turn off

the manual gas (shut-off) valve, and DO

NOT operate the water heater again until

is has been checked by a qualified service

technician.

NOTICE: 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.

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.

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.

Housekeeping

Visually inspect pilot burner and

relight if necessary.

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.

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.

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 few quarts to be

drained 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. 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 obstruct the flow of combustion

and Ventilation air.

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: Keep appliance

area clear and free from

combustible materials,

gasoline, and other

flammable vapors and

liquids.

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: Hotter water

increases the potential for

Hot Water Scalds.

Venting System Inspection

Periodically 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.

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.

Burner Inspection

Visually inspect the pilot burner and main

burner annually.

Through the sight glass, inspect the pilot

burner flame 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.

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, lower air box, or

inner door burner assembly are

removed, the inner door gaskets, burner

access door gasket, and transition pan

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.

Proper burner and pilot burner

pattern.

Gas ame

should be visible

on entire burner

surface.

Pilot

Flame

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.

Moisture from the products  This is normal and will disappear in time. Excessive

of combustion condensing condensation can cause pilot burner outage.

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 Scale on top of the burner.  Contact a qualified service technician to remove scale.

or soot

Flue or Combustion air inlet Remove obstruction or debris from flue or

openings are restricted. combustion air inlet openings on water heater jacket.

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 pilot burner from the gas line.

Pilot burner orifice clogged.  The pilot burner should be cleaned or replaced by a

qualified service technician.

Pilot burner tube pinched or  The pilot burner should be cleaned, repaired or

clogged. replaced by a qualified service technician.

Gas Control Knob not depressed  See the “Lighting The Water Heater” section of this

while attempting to light pilot. manual.

Pilot burner does not stay Loose thermocouple.  The connection at the gas control (thermostat) should

lit when the gas control be tightened by a qualified service technician.

knob is released

Thermocouple defective.  The thermocouple should be replaced by a qualified

service technician.

Safety magnet defective.  The gas control (thermostat) should be replaced by a

qualified service technician.

Gas Controls (Thermostat’s)  The gas control (thermostat) should be replaced by a

single use gas shut-off device qualified service technician.

has opened.

Combustion Shutoff Device  The combustion shutoff device should be inspected

Tripped. by a qualified service technician.

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.

Problem Possible Causes What To Do

Rumbling noise Scale and sediment  Clean tank.

in tank.

Relief valve Pressure build up  This is an unacceptable condition and must be

producing popping caused by thermal corrected. Contact the water supplier or plumbing

noise or draining expansion to a contractor on how to correct this. Do not plug the

closed system. relief valve outlet.

Not enough or Water usage may have  Wait for the water heater to recover after an

no hot water exceeded the capacity abnormal demand.

of the water heater.

Low gas pressure.  Check gas supply pressure and manifold pressure.

The pilot burner may be out.  Check the pilot burner. If necessary, relight using the

instructions in the “Lighting The Water Heater”

section of this manual.

The gas control (thermostat)  See the “Water Temperature Setting” of The Water

may be set too low. Heater section of this manual.

Leaking or open hot  Make sure all faucets are closed.

water faucets.

Combustion Shutoff System  Contact a qualified service technician.

tripped

Water is too hot The gas control (thermostat) ● See the “Water Temperature Setting” of The Water

is set too high. Heater section of this manual.

Gas Control (Thermostat) ● Contact a qualified service technician to replace the

Defective. gas control (thermostat).

Pilot Burner Lights, but Combustion Shutoff System ● Contact a qualified service technician.

Main Burner will not tripped.

stay lit.

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.

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.

STATUS LIGHT

CODE

CONDITION POTENTIAL SOLUTION(S)

OFF.

Combination Gas Control

(Thermostat) turned o.

Follow the operating instructions in the Use & Care

Manual to turn on the combination gas control

(thermostat).

Pilot not lit. Follow the lighting instructions as detailed on this water

heater and it's Use & Care manual to light the pilot.

Insucient power supply

(millivoltage).

Check thermopile connector to the combination gas

control (thermostat) to ensure it is properly connected

Check thermopile wires for damage and replace if

needed.

Inspect pilot assembly.

Constantly lit.

Pilot recently extinguished and.

Thermopile is cooling down.

Temperature knob recently turned

to OFF position.

Follow the lighting instructions as detailed on the water

heater and it's Use & Care manual to light the pilot.

One (1) blink every three

(3) seconds.

Normal Operation.

Temperature knob in pilot position

and pilot is lit.

Set temperature knob on combination gas control

(thermostat) to desired setting.

Two (2) blinks every three

(3) seconds.

Low thermopile voltage however

pilot is lit.

Check thermopile connector to the combination gas

control (thermostat) to ensure it is properly connected

Check thermopile wires for damage and replace it

needed.

Inspect pilot assembly.

Four (4) blinks every

three (3) seconds.

High water temperature limit

tripped.

Contact a qualied service technician.