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AO Smith Products

AO Smith BTN250A

BTN-250A Commercial Tank Type Water Heater Nat Gas Master-Fit 250,000 BTU Input Multiflue Model


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

  • Width: 27-3/4"
  • Height: 72"
  • Depth: 27-3/4"

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Discontinued No longer available.

For millions of consumers, business owners, property managers and engineers worldwide, A. O. Smith has delivered innovative hot water solutions for over 70 years. Sold exclusively by plumbing wholesalers and plumbing contractors, A. O. Smith’s selection of residential and commercial water heaters, boilers and storage tanks is unmatched for quality and diversity. Anywhere hot water is needed, A. O. Smith can provide an energy-efficient solution with maximum value during and for years after installation. And, A. O. Smith stands behind its products and its customers with world-class service, combining cutting-edge technology with committed people who take pride in being the very best. Available at AppliancesConnection


  • Commercial tank type water heater
  • Complies with SCAQMD rule 1146.2, Southern California and Texas approved.
  • Rated category 1 appliance
  • Included draft built-in blower
  • Uses standard metal single wall or double wall type B vent
  • No draft hood or barometric damper
  • CSA certified and ASME rated T and P relief valve
  • 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
  • Meets CEC
  • Hand hole cleanout
  • Recovery cap. 100°F Rise GPH: 242
  • Gallon capacity: 100
  • Input BTU/HR : 250,000
  • Warranty: 3 Year limited
  • Overall dimension: 72" H x 27.75" W x 27.75" D
  • Vent size: 6
  • Made in USA


  • Type: Tank Heaters
  • Installation: Indoor
  • Application:  Plumbing
  • Fuel Type: Natural Gas
  • Capacity (Gallons):  100 Gallons
  • BTU Input:  250000
  • Height:  72"
  • Usage: Commercial
  • Diameter:  27-3/4"
  • Weight:  686 lbs
  • ASME:  Yes
  • Vent Size:  6"
  • Warranty:  3 Yr Limited Tank
  • Vent Type:  Type B
  • Voltage: 120v
  • Hertz:  60
  • Application:  Heating
  • Max Pressure (PSI):  160 psi
  • Width: 27-3/4"
  • Depth: 27-3/4"

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  • Brand:AO Smith
  • SKU:BTN250A
  • UPC:671657453749
  • Stock Id:290915
  • Product Number:SMIBTN250A


  • Fuel Type:Natural Gas
  • Capacity (Gallons):100 Gallons
  • Installation:Indoor


  • Volts:120 Volts


  • Width:27-3/4"
  • Depth:27-3/4"
  • Height:72"

    Technical Details

  • Weight:686 lbs
  • Type:Tank Heaters
  • Warranty:3 Yr Limited Tank
  • Application:Plumbing
  • Diameter:27-3/4"
  • Hertz:60Hz
  • Usage:Commercial
  • BTU Input:250000
  • Vent Type:Type B
  • Vent Size:6"
  • ASME:Yes
  • Max Pressure (PSI):160 psi