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AO Smith Products

AO Smith BTR275

BTR-275 Commercial Tank Type Water Heater Nat Gas 100 Gal Master-Fit 275,000 BTU Input


Items that are currently in-transit to our warehouse, are currently in-stock at a drop-ship vendor’s, or manufacturer's warehouse will be marked as "Available". These products will ship once your order is processed (usually within 24-48 business hours). For any exceptions to this timeframe, an ETA (Estimated Time of Arrival) for your order will be emailed with accurate shipping dates in order to ensure that you are always updated and informed as to when your order will arrive at its final destination.

Quick Specs: View More

  • Height: 72"

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Discontinued No longer available.

Compact and easy to install! Master-Fit gas water heaters (with automatic flue damper) fit in tight spaces because they're up to one foot shorter than the models they replace. These self-cleaning units can be installed standalone, manifolded or connected to storage tanks. Available at AppliancesConnection


 A.O. Smith BTR-275 Commercial Tank Type Water Heater, Natural Gas, 100 Gallon, Master-Fit, 275,000 BTU Input.


  • Commercial tank type water heater
  • Meets or exceeds the thermal efficiency and/or standby loss requirements of the U.S. department of energy and current edition of ASHRAE/IESNA 90.1
  • Electronic ignition
  • CSA certified and ASME rated T and P relief valve
  • Hand hole cleanout
  • Official powered flue damper
  • Eliminator self-cleaning feature
  • Warranty: 3 Year limited
  • Recovery cap. 100°F Rise GPH: 267
  • Gallon capacity: 100
  • Input BTU/HR : 275,000
  • Vent size: 8
  • Made in USA


  • Installation: Indoor
  • Type: Water Heaters
  • Fuel Type: Natural Gas
  • Application: Plumbing
  • Features: Commercial
  • Capacity: 100 Gallons
  • BTU Input: 275,000
  • Vent Size: 8"
  • Height: 72"
  • Diameter: 30.25"
  • Vent Type: Type: B
  • Efficiency: 0.80%
  • Water Connection: 1-1/2"
  • Gas Connection: 1/2"
  • Gas Input: 14" W.C. Max
  • ASME: No
  • Gas Connection:  1-1/2-2"
  • Warranty: 3 Year limited
  • Recovery 100°F Rise:  267 GPH

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  • Brand:AO Smith
  • SKU:BTR275
  • UPC:671657950064
  • Stock Id:255937
  • Product Number:SMIBTR275


  • Fuel Type:Natural Gas
  • Installation:Indoor


  • Height:72"

    Technical Details

  • Type:Water Heaters
  • Total Capacity:100 Gallons
  • Features:Commercial
  • Warranty:3 Year Limited
  • Application:Plumbing
  • Diameter:30.25"
  • Efficiency:0.80%
  • BTU Input:275,000
  • Vent Size:8"
  • Water Connection:1-1/2"
  • Gas Connection:1/2"
  • Gas Input:14" W.C. Max
  • ASME:No
  • Recovery 100°F Rise:267 GPH
  • Weight:630.00 lbs