AO Smith BTH500A

BTH-500A Commercial Tank Type Water Heater Nat Gas 130 Gal Cyclone Xi 499,900 BTU Input High Efficiency

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AO Smith BTH500A

BTH-500A Commercial Tank Type Water Heater Nat Gas 130 Gal Cyclone Xi 499,900 BTU Input High Efficiency

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Quick Specs: View More

  • Width: 33-1/8"
  • Height: 75.5"
  • Depth: 33.13"

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


The A. O. Smith Cyclone Xi family of products represents the industry's most technologically advanced commercial water heaters. The innovative Cyclone Xi design takes performance to its highest level with efficiencies of 95% and 96%. The Cyclone Xi features an Intelligent Control System making it the smartest water heater in the industry.
Cyclone Xi provides outstanding hot water output, with dramatic savings on operating costs compared to units with standard 80% efficiency. A. O. Smith's leading-edge engineering delivers conventional power-vent or sealed combustion power direct-vent versatility, low NOx emissions and excellent space-saving characteristics. Powered anodes, standard on all Cyclone Xi models, provide superior tank protection for years of trouble free operation.


  • Commercial tank type water heater
  • Intelligent control system with LCD display -provides detailed water heater status information, precise temperature control, built-in diagnostics, and run history information
  • Submerged combustion chamber with helical heat exchanger coil - positioned in center of tank, surrounded by water to virtually eliminate radiant heat loss from chamber. Spiral heat exchanger keeps hot burner gases swirling, uses centrifugal force to maximize efficiency of heat transfer to water in tank. Spiral heat exchanger prevents scale and sediment from forming on water-side surface, which can reduce energy efficiency over time
  • Powered anodes -provides long-lasting tank protection in varying water conditions, does not require maintenance or inspection
  • Permaglas ultra coat glass lining -exclusive process provides superior protection against corrosion. Both sides of heat exchanger coil are lined for protection against flue gas condensate inside coil
  • Mechanical venting versatility - conventional power-venting or sealed combustion direct venting. Vents vertically or through sidewall. Direct-vent intake and exhaust pipe can terminate separately outside building, or through single opening, using concentric vent assembly. Uses inexpensive PVC, CPVC or ABS pipe for intake and exhaust
  • High efficiency pre-mix powered burner -down-fired pre-mix burner provides optimum efficiency and quiet operation. Top-mounted burner position prevents condensation from affecting burner operation
  • Space saving design for installation flexibility
  • CSA certified and ASME rated T and P relief valve
  • Three year limited tank warranty
  • Recovery cap. 100°F Rise GPH: 576
  • Gallon capacity: 130
  • Input BTU/HR : 499,900
  • Vent size: 4
  • Made in USA
  • Warranty: 3 Year limited
  • Overall dimension: 75.5" H x 33.125" W x 33.125" D


  •  Type: Tank Heaters
  • Installation: Indoor
  • Application:  Plumbing
  • Fuel Type: Natural Gas
  • Capacity (Gallons):  130 Gallons
  • BTU Input: 499900
  • Height:  75.5"
  • Usage: Commercial
  • Diameter:  33-1/8"
  • Weight:  855 lbs
  • ASME:  Yes
  • Vent Size:  4"
  • Efficiency: 96%
  • Recovery 40°F Rise:  1439 GPH
  • Recovery 140°F Rise:  411 GPH
  • Recovery 90°F Rise: 640 gal/hr
  • Max Pressure:  10" W.C.
  • Gas Connection:  1-1/4"
  • Water Connection: 1-1/2"
  • Warranty:  3 Yr Limited Tank
  • Vent Type:  ABS,PVC,CPVC
  • Voltage: 120v
  • Hertz:  60
  • Max Pressure (PSI):  160 psi
  • Width: 33-1/8"
  • Depth: 33-1/8"


  • Brand:AO Smith
  • SKU:BTH500A
  • UPC:671657013813
  • Stock Id:290927


  • Fuel Type:Natural Gas
  • Installation:Indoor
  • Capacity (Gallons):130 Gallons


  • Volts:120 Volts


  • Width:33-1/8"
  • Height:75.5"
  • Depth:33.13"

    Technical Details

  • Weight:855 lbs
  • Type:Tank Heaters
  • Warranty:3 Yr Limited Tank
  • Application:Plumbing
  • Diameter:33-1/8"
  • Hertz:60Hz
  • Usage:Commercial
  • Efficiency:96%
  • BTU Input:499900
  • Vent Type:ABS,PVC,CPVC
  • Vent Size:4"
  • Water Connection:1-1/2"
  • Gas Connection:1-1/4"
  • ASME:Yes
  • Recovery 90°F Rise:640 gal/hr
  • Recovery 40°F Rise:1439 GPH
  • Recovery 140°F Rise:411 GPH
  • Max Pressure (PSI):160 psi
  • Max Pressure:10" W.C.

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