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Part #: BTR-120
877-WAYFAIR (877-929-3247)|SKU #: QOS1047

A.O. Smith BTR-120 Commercial Tank Type Water Heater Nat Gas 71 Gal Master-Fit 120,000 BTU Input


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Arrives for Christmas to Woodbridge, NJ 02108 (Change)


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  • Commercial tank type water heater
  • The eliminator self-cleaning system designed to significantly reduce, or eliminate sediment build-up inside the tank. Reduced sediment build-up maintains rated thermal effi ciency and reduces water heating costs. Self-cleaning system prolongs tank life
  • Factory-installed draft diverter and flue damper. Low-profile draft diverter helps for installation in tight spaces. Automatic motorized flue damper helps minimize standby heat loss
  • Three water connection options for added flexibility. Hot and cold water connections can be made through front, top or rear of unit. Eliminator system operates when cold water is connected through front
  • Permaglas ultra coat glass lining exclusive process provides superior protection against corrosion. Coregard anode rods with stainless steel core provide additional corrosion protection
  • Factory- installed CSA certified, and ASME rated T and P relief valve
  • 80% Thermal efficiency
  • Fully automatic control system. Manual-reset gas shut-off device prevents excessive water temperature. Adjustable thermostat with 120 F 180 F range. Gas pressure regulator and pilot filter
  • Hand hole cleanout, allows easy access to tank interior for cleaning
  • Recovery cap. 180 F Rise GPH: 116
  • Gallon capacity: 71
  • Input BTU/HR : 120,000
  • Made in USA
  • Intermittent electronic ignition eliminates standing pilot, saves energy. Includes power on/off switch. Provides flame failure response in less than one second
  • Warranty: 3 Year limited
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Energy Guide Information:

  • Capacity: 71 Gallons
  • Additional Information: Your costs will depend on your utility rates and use. Cost range based only on models of similar capacity fueled by [natural gas, oil, propane, or electricity]. Estimated operating cost is based on a 2007 national average [electricity, natural gas, propane, or oil] cost of 10.65 cents per kWh or $1.218 per therm or gallon. For more information, visit www.ftc.gov/appliances.

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Additional Documents


Weights & Dimensions


  • Height to Vent: 69.75 Inches
  • Vent Minimum Diameter: 6 Inches

Additional Weights and Dimensions:

  • Overall Height - Top to Bottom: 69.75 Inches
  • Overall Width - Side to Side: 27.75 Inches
  • Overall Depth - Front to Back: 27.75 Inches
  • Overall Product Weight: 400 Pounds
  • Height to Gas Connection: 4.25 Inches
  • Water Connection Diameter: 1.5 Inches
  • Height to Temperature and Pressure Relief Valve: 50.875 Inches
  • Specifications

    Assembly Required: NoProduct Type: Storage tank water heater
    Adjustable Thermostat: YesUL Listed: Yes
    Portable: NoRust Resistant: Yes
    Corrosion Resistant: YesAnodic Protection: Yes
    Circuit Breaker Panel Included: NoHose Included: No
    Garden Hose Adapter Included: NoVacuum Breaker Included: No
    Power Source: Natural gasMaximum Temperature: 180 Fahrenheit
    Thermostat Included: YesMaximum Water Pressure in PSI: 160
    Maximum Input: 120000 BTUsMinimum Input: 120000 BTUs
    Thermal Efficiency: 80Indoor Use: Yes
    Outdoor Use: NoFirst Hour Rating: 166 Gallons
    Recovery Rate: 116 GallonsAltitude Rating: 2000 Feet
    Phase: Single phaseAutomatic Shutoff: Yes
    Automatic Overheat Protection: YesShower Head Included: No
    Commercial Use: YesCountry of Manufacture: United States
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    We want you to love it. If you don't, you may return your purchase within 30 days of delivery. All you need to do is visit our Self-Service Return Center for instructions. Return credits are issued within 24 hours once the item is received and inspected. Please note that shipping charges are non-refundable. The cost of return shipping will be deducted from your refund.

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    OUR SKU # QOS1047

    This item is also sometimes listed under the following manufacturer numbers: BTR-120