A.O. Smith W/HOT Tank, ALL Other Parts, Conditions and Exceptions, Service and Repair Expenses

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Limited Warranty

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:

(1)used at temperatures not exceeding the maximum calibrated setting of its thermostat;

(2)used at water pressure not exceeding the working pressure shown on the heater;

(3)filled with potable water, free to circulate at all times and with the tank free of damaging water sediment or scale deposits;

(4)used in a non-corrosive and non-contaminated atmosphere;

(5)used with factory approved anode(s) installed;

(6)in its original installation location;

(7)in the United States, its territories or possessions or Canada;

(8)sized in accordance with proper sizing techniques for commercial and/or residential water heaters;

(9)bearing a rating plate which has not been altered, defaced or removed, except as required by the warrantor;

(10)used in an open system or in a closed system with properly sized and installed thermal expansion tank;

(11)operated with properly installed dirt leg;

(12)fired with the fuel for which it was factory built;

(13)fired at the factory rated input;

(14)operated with the inner and outer combustion chamber doors in place.

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 or local code are limited to one (1) year duration for the heater or any of its parts. Some areas 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

A. O. Smith Water Products Company

500 Tennessee Waltz Parkway

Ashland City, TN 37015

Telephone: (800) 323-2636

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 MERCHANT- ABILITY OF 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 PROP- ERTY OR OTHER CONSEQUENTIAL DAMAGE. THE WARRANTOR SHALL NOT BE LIABLE BY VIRTUE OF THIS WARRANTY OR OTHER- WISE FOR DAMAGE TO ANY PERSONS OR PROPERTY, WHETHER DIRECT OR INDIRECT, AND WHETHER ARISING IN CONTRACT OR IN TORT.

a.Some areas 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 area to area.

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 ADJACENT35TO THE HEATER FOR FUTURE REFERENCE.

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Contents Commercial GAS Water Heaters Power Vented GAS Models W/HOT Surface IgnitionImportant Definitions Safe INSTALLATION, USE and ServiceGeneral Safety General Safety Introduction Table of ContentsRelief Valve Elbow Access Door Typical InstallationReplacement Parts and Deliming Products Condensate Hose and Drain PAN Capacity and Gas and Electrical Characteristics ROUGH-IN-DIMENSIONSRough-In-Dimensions Mixing Valve Usage Facts to Consider about the Location Locating the NEW Water HeaterInsulation Blankets ALL AIR from Outdoors See Figures 7, 8 ALL AIR from Inside Buildings SeeWater Piping Installing the NEW Water HeaterChemical Vapor Corrosion Valve and Pipe Insulation if supplied TEMPERATURE-PRESSURE Relief ValveGAS Piping GAS Piping with Flexible ConnectorVenting Vent Pipe AssemblySediment Traps Filling the Water HeaterVent Hoods MAY be Extremely HOT During Operation Horizontal Vent ClearancesCanadian Horizontal Vent Clearances Vent Pipe Termination Condensate Planning the Vent SystemVent Terminal INSTALLATION, Sidewall Blower Assembly InstallationInstallation of Vent System Vent Termination Figure Power Vent Wiring Schematic FigureInstallation of Vertical Vent System Installation of Vent SYSTEM, SidewallVertical VAA Installations Recommended Vent Attenuation Assembly InstallationInch vent Horizontal VAA Installations Inch vent Vertical VAA InstallationsRecommended BRUSH* Size for Primer Cement Applications Vent Pipe PreparationStep G Step BStep E Step FDo not TRY to Light the Burner by Hand Power Before ServicingBurner. Do not try to light the burner by hand What to do if YOU Smell GASD E F Temperature RegulationTemperature Indicators Temperature Adjustment Buttons DisplayOperational Conditions For Your InformationStart UP Conditions Burner Operation and Inspection Periodic MaintenanceBurner Cleaning Venting System InspectionDraining TEMPERATURE-PRESSURE Relief Valve OperationAnode ROD Inspection Leakage Checkpoints ServiceTrouble Shooting Troubleshooting GuidelinesD E F Troubleshooting Guidelines ALL Other Parts Service and Repair ExpensesClaim Procedure Tank

W/HOT specifications

A.O. Smith, a leading manufacturer of water heating solutions, has made its mark in the industry with innovative products that combine efficiency, reliability, and advanced technology. Among its standout offerings is the A.O. Smith W/HOT series, designed to meet the diverse needs of residential and commercial customers.

The W/HOT series showcases a variety of tankless water heaters characterized by their ability to provide endless hot water on demand. Unlike traditional tank water heaters, which can run out of hot water during heavy usage, the W/HOT series ensures a constant supply, making it an ideal choice for families and businesses with high hot water needs. This feature not only enhances convenience but also optimizes energy usage by eliminating the standby heat loss associated with storage tanks.

One of the key technologies integrated into the W/HOT series is the microprocessor control system. This intelligent technology allows the unit to monitor water usage patterns and adjust operation accordingly. By optimizing heating cycles based on actual demand, this feature helps improve energy efficiency, resulting in lower utility bills without compromising performance.

The W/HOT series also incorporates advanced heat exchanger technology, enabling rapid heating of water as it passes through the system. This means minimal wait time for hot water and reduced energy consumption, as the unit only heats water when it is needed. The heat exchangers are designed for durability and effective heat transfer, helping to extend the overall lifespan of the unit.

Safety is a top priority in the design of A.O. Smith water heaters. The W/HOT series is equipped with multiple safety features, including a built-in thermal shut-off switch and safety sensors that prevent overheating. Additionally, the units are designed to comply with industry standards and regulations, ensuring peace of mind for users.

Installation flexibility is another defining characteristic of the W/HOT series. These tankless water heaters can be installed in various locations, requiring minimal space compared to traditional units. Their compact design makes them suitable for tight spaces, such as closets or utility rooms.

Overall, the A.O. Smith W/HOT series represents a commitment to innovation and quality in water heating solutions. Its combination of tankless design, advanced technology, and safety features makes it an excellent choice for those seeking efficient and reliable hot water access. Whether for residential or commercial use, A.O. Smith continues to lead the way in delivering top-tier water heating solutions that meet the evolving needs of consumers.
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