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A. O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater.

1.

THE TANK
If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable
water therein, during the first THREE years after initial installation, the warrantor will supply a complete new A. O. Smith water heater of
equivalent size and current model.  Some government agencies are requiring energy efficient standards for water heaters.  In the event
regulations prohibit sale of a model of equivalent size and construction, A. O. Smith will provide a model which complies with the regulations
of your area, in which case the consumer will be charged the difference in price between the like replacement and the energy efficient model
required.  The warranty on the replacement water heater will be limited to the unexpired term of the original warranty.

2.

ALL OTHER PARTS
If within ONE year after initial installation of this water heater, any part or portion shall prove upon examination by the warrantor to be defective
in material or workmanship, the warrantor will repair or replace such part or portion at its option.

3.

CONDITIONS AND EXCEPTIONS
This warranty shall apply only when the water heater is installed in accordance with local plumbing and building codes, ordinances and
regulations, the printed instructions provided with it and good industry practices.  In addition, a temperature and pressure relief valve, certified
by and officially sanctioned and recognized independent testing agency and approved by the American Society of Mechanical Engineers,
must have been installed.
a.

This warranty shall apply only when the heater is used:
(1)

at temperatures not exceeding the maximum setting of the thermostat;

(2)

at water pressure not exceeding the working pressure shown on the heater;

(3)

when filled with potable water free to circulate at all times;

(4)

in a non-corrosive and non-contaminated atmosphere;

(5)

with factory approved anode(s) installed;

(6)

in it's original installation location;

(7)

in the United States, its territories or possessions, and Canada.

b.

Any accident to the water heater, any misuse, abuse (including freezing or thermal expansion damage) or alteration of, any operation in

a

modified form, or any attempt to repair tank leaks will void this warranty.

c.

This warranty is void if a device acting as a backflow prevention device (check valves etc.) is installed in the cold water supply the
heater is connected to, unless an effective method of controlling thermal expansion is also installed at the heater(s) and operational at all
times.  The relief valve installed on the heater is not an acceptable method.

4.

SERVICE AND REPAIR EXPENSES

Under the limited warranty the warrantor will provide only a replacement water heater or part thereof.  The owner is responsible for all other

costs.   Such costs may include but are not limited to:
a.

Labor charges for service removal, repair or reinstallation of the water heater or any component part;

b.

Shipping, delivery, handling, and administrative charges for forwarding the new heater or replacement part from the nearest distributor
and returning the claimed defective heater or part to such distributor.

c.

All cost necessary or incidental for any material and/or permits required for installation of the replacement heater or part.

5.

LIMITATIONS ON IMPLIED WARRANTIES
Implied warranties, including the warranty of merchantability imposed on the sale of this heater under state law are limited to one (1) year
duration for the heater or any of its parts.  Some states do not allow limitation on how long an implied warranty lasts, so the above limitation
may not apply to you.

6.

CLAIM PROCEDURE
Any claim under the warranty should be initiated with the dealer who sold the heater, or with any other dealer handling the warrantor’s
products.  If this is not practicable, the owner should contact:

U.S. Customers

Canadian Customers

A. O. Smith Water Products Company

A. O. Smith Enterprises Ltd.

5621 West 115th Street

P. O. Box, 310 - 768 Erie Street

Alsip, IL 60803

Stratford, Ontario  N5A 6T3

Telephone: (800) 323-2636

Telephone: (519) 271-5800

a.

The warrantor will only honor replacement with identical or similar water heater or parts thereof which are manufactured or distributed

by the warrantor.

b.

Dealer replacements are made subject to in-warranty validation by warrantor.

7.

DISCLAIMERS
NO OTHER EXPRESS WARRANTY HAS BEEN OR WILL BE MADE IN BEHALF OF THE WARRANTOR WITH RESPECT TO THE HEATER OR THE
INSTALLATION, OPERATION, REPAIR OR REPLACEMENT OF THE HEATER.  THE WARRANTOR SHALL NOT BE RESPONSIBLE FOR WATER
DAMAGE, LOSS OF USE OF THE UNIT, INCONVENIENCE, LOSS OR DAMAGE TO PERSONAL PROPERTY OR OTHER CONSEQUENTIAL DAM-
AGE.  THE WARRANTOR SHALL NOT BE LIABLE BY VIRTUE OF THIS WARRANTY OR OTHERWISE FOR DAMAGE TO ANY PERSONS OR
PROPERTY, WHETHER DIRECT OR INDIRECT, AND WHETHER ARISING IN CONTRACT OR IN TORT.
a.

Some states do not allow the exclusion or limitation of the incidental or consequential damage, so the above limitations or exclusions may
not apply to you.

b.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

Fill in the following for your own reference.  Keep it. Registration is not a condition of warranty.  The model and serial number are found on the

heater’s rating plate.

Model No. ____________________Serial No. ____________________________________________Date Installed________________________

Dealer’s Name________________________________________________________________________________________________________

Dealer’s Address _____________________________________________________________________Phone No.________________________

City and State _______________________________________________________________________Zip ______________________________

KEEP THIS WARRANTY POSTED ADJACENT TO THE HEATER FOR FUTURE REFERENCE.

Model BTF-75 Limited Warranty

Summary of Contents for BTF-75

Page 1: ...Y BEFORE INSTALLING AND USING THIS APPLIANCE A DIVISION OF A O SMITH CORPORATION McBee South Carolina U S A Stratford Ontario Canada www hotwater com KEEP THIS MANUAL IN THE POCKET ON THE HEATER FOR F...

Page 2: ...tions and the local code authority having jurisdiction In the absence of local codes the installation must comply with the latest editions of the National Fuel Gas Code ANSI Z223 1 NFPA 54 The NFPA Th...

Page 3: ...ral gas models A natural gas heater will not function safely on LP gas and no attempt should be made to convert a heater from natural gas to LP gas LP gas must be used with great caution It is highly...

Page 4: ...in before operating Please refer to manufacturer s instructions DISHWASHING MACHINE REQUIREMENT These appliances meet the National Sanitation Foundation Standard for sanitary installations when used w...

Page 5: ...60 75 percent for metal grills or louvers UNCONFINED SPACE In buildings of conventional frame brick or stone construction unconfined spaces may provide adequate air for combustion ventilation and dil...

Page 6: ...TINGMUSTBEFOLLOWED TOAVOIDCHOKEDCOMBUSTIONORRECIRCULATIONOFFLUEGASES SUCH CONDITIONS CAUSE SOOTING OR RISKS OF FIRE AND ASPHYXIATION NEVEROPERATETHEHEATERUNLESSITISVENTED TOTHEOUTDOORSANDHASADEQUATEAI...

Page 7: ...ceed the thirty 30 equivalent feet of 3 inch pipe or eighty five 85 equivalent feet of 4 inch pipe 3 The blower discharge adapter is made to accept only straight sections of 3 pipe To start a minimum...

Page 8: ...ow be positioned on the outside wall using the drilled hole as a centering point for the template 3 A MASONRYSIDEWALLS Chisel an opening approximately one half inch larger than the marked circle B WOO...

Page 9: ...tions are not reversed when making these connections See Figure 7 G Replace side panel and secure with two screws 5 The blower discharge adapter is made to accept only straight sections of 3 pipe To s...

Page 10: ...run All piping and fittings must be joined by the proper procedures as described under VENTPIPEPREPARATION IMPORTANT The vent system must terminate so that proper clearances are maintained as cited i...

Page 11: ...f the joint Tapered fitting sockets are designed so that an interference fit should occur when the pipe is inserted about 1 3 to 2 3 of the way into the socket Occasionally when pipe fitting dimension...

Page 12: ...e sparingly and only to the male threads of pipe joints Do not apply compound to the first two threads Use compounds resistant to the action of liquefied petroleum gases Do not use teflon tape on ther...

Page 13: ...ly counterclockwise until it stops 4 This appliance is equipped with a device which automatically lights the burner DONOTTRYTOLIGHTTHEBURNERBYHAND 5 Wait five 5 minutes to clear out any gas If you the...

Page 14: ...atures produced at various thermostat dial settings Short repeated heating cycles caused by small hot water uses can cause temperatures at the point of use to exceed the thermostat setting by up to 20...

Page 15: ...n etc For safety and satisfactory operation it is recommended that the heater be checked once a year by a competent service person T P VALVE At least once a year the temperature and pressure relief va...

Page 16: ...e service you received First please contact your dealer or the A O Smith authorized service agent in your area and explain to them why you are not satisfied This will usually correct the problem If af...

Page 17: ...ch Replace control harness Replace blower and motor Replace switch Check for low voltage less than 102 vac have service checked and repaired If voltage is above 102 vac make sure there is not more tha...

Page 18: ...connectors 3 System wiring harness in good condition and securely connected at both ends Not Applicable 1 Replace control 1 Airflow proving switch stuck closed 2 Airflow proving switch mis wired or ju...

Page 19: ...E AT HSI ELEMENT OUTPUT SEE INSET B 120V NOMINAL CHECK DAMAGED OR BROKEN HSI ELEMENT WARNING Line Voltage Hazard Can cause property damage severe injury or death Only a trained experienced service tec...

Page 20: ...all other costs Such costs may include but are not limited to a Labor charges for service removal repair or reinstallation of the water heater or any component part b Shipping delivery handling and a...

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