AO Smith BTX80

BTX-80 Commercial Tank Type Water Heater Nat Gas 50 Gal Cyclone HE 76,000 BTU Input High Efficiency

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AO Smith BTX80

BTX-80 Commercial Tank Type Water Heater Nat Gas 50 Gal Cyclone HE 76,000 BTU Input High Efficiency

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Quick Specs:

  • Width: 22"
  • Height: 70.625"
  • Depth: 22"

The Cyclone HE is a light-duty, power-vent, fully condensing commercial gas water heater with an internal helical heat exchanger, similar to the design of A. O. Smith's industry-leading Cyclone XHE models. This helical heat exchanger helps Cyclone HE achieve 90% thermal efficiency and deliver outstanding hot water output. Available at AppliancesConnection


  • Commercial tank type water heater
  • Helical internal heat exchanger - completely surrounded by water in tank, provides much greater heat transfer surface than standard straight flue tube. Produces 90% thermal efficiency, which saves money on operating costs, increases hot water output compared to standard-efficiency water heaters. Minimizes standby losses by trapping heat in the tank. Spiral heat exchanger reduces scale and sediment from forming on water-side surface, which can reduce energy efficiency over time.
  • Versatile power-direct vent design - system allows combined vertical and horizontal vent runs terminating through an outside wall, using schedule 40 PVC or ulc s636 approved PVC pipe.
  • Modular blower - equipped with 120 volt, 60 hz electrical system (rating 5 amps or less), 6-foot cord with standard 3-prong connector. 2in PVC pipe, elbows and condensate drain supplied to connect heat exchanger outlet to blower. PVC vent attenuation assembly (vaa) supplied for applications where extra-quiet operating environment is essential.
  • High output with small footprint - 22" diameter, combined with 90% efficiency, 50-gallon tank and 76,000 BTU input means cyclone he can be installed in less space than a larger 75-gallon unit, with equal or better performance
  • Side-mounted hot and cold recalculating taps -allows cyclone he to be installed as part of combination space heating/water heating applications, or any system requiring a recalculating hot water loop. Plugs for the recalculating taps are factory installed
  • Intelli-vent gas control - equipped with long lasting silicon nitride hot surface igniter - no standing pilot. Advanced electronics for more precise control of water temperature and easy-to-understand system diagnostics
  • Permaglas ultra coat glass lining - a. O. Smith exclusive process provides superior protection against corrosion. Protects all interior tank surfaces including inside and outside of helical heat exchanger.
  • Two heavy-duty anode rods - provides advanced protection against corrosion
  • Green choice gas burner patented -ineco-friendlyin design reduces NOx emissions and meets less than 40 ng/j requirements for low NOx
  • Recovery cap. 100°F Rise GPH: 83
  • Warranty: 3 Year limited
  • Overall dimension: 70.625" H x 22" W x 22" D
  • Gallon capacity: 50
  • Input BTU/HR : 100,000
  • Vent size: 2
  • Made in USA


  • Type: Tank Heaters
  • Installation: Indoor
  • Application:  Plumbing
  • Fuel Type: Natural Gas
  • Capacity (Gallons):  50 Gallons
  • BTU Input: 76000
  • Height:  70.625"
  • Usage: Commercial
  • Diameter:  22"
  • Weight:  210 lbs
  • ASME:  No
  • Vent Size:  2"
  • Efficiency: 90%
  • Recovery 40°F Rise:  206 GPH
  • Recovery 140°F Rise:  59 GPH
  • Recovery 100°F Rise
  • Max Pressure:  14" W.C.
  • Gas Connection:  1/2"
  • Water Connection: 3/4"
  • Warranty:  3 Yr Limited Tank
  • Vent Type:  ABS,PVC,CPVC
  • Voltage: 120v
  • Hertz:  60
  • Max Pressure (PSI):  150 psi
  • Width: 22"
  • Depth: 22"


  • Brand:AO Smith
  • SKU:BTX80
  • UPC:671657755553
  • Stock Id:290922
  • Product Number:SMIBTX80


  • Fuel Type:Natural Gas
  • Installation:Indoor
  • Capacity (Gallons):50 Gallons


  • Volts:120 Volts


  • Width:22"
  • Height:70.625"
  • Depth:22"

    Technical Details

  • Weight:210 lbs
  • Type:Tank Heaters
  • Warranty:3 Yr Limited Tank
  • Application:Plumbing
  • Diameter:22"
  • Hertz:60Hz
  • Usage:Commercial
  • Efficiency:90%
  • BTU Input:76000
  • Vent Type:ABS,PVC,CPVC
  • Vent Size:2"
  • Water Connection:3/4"
  • Gas Connection:1/2"
  • ASME:No
  • Recovery 40°F Rise:206 GPH
  • Recovery 140°F Rise:59 GPH
  • Max Pressure (PSI):150 PSI
  • Max Pressure:14" W.C.

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