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A. O. Smith BTH-120 Water Heater - 60 Gallon Commercial Gas 120,000 BTU

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Product Description

AO-Smith-60-Gallon-BTH-120     $4599            

60 Gallon Commercial Gas 120,000 BTU

Compatible with Eastman 60023 expansion tank

3-Year Limited Warranty

Cyclone XI Commercial Gas Tank-Type Water Heaters

  • CSA certified and ASME rated T&P relief valve
  • Maximum hydrostatic working pressure: 160 PSI
  • BTH-120-250 Models are design-certified by CSA International, according to ANSI Z21.10.3 - CSA 4.3 Standards governing storage-type water heaters.
  • BTH-300-500 Models are design-certified by Underwriter’s Laboratories (UL), Inc., according to ANSI Z21.10.3 - CSA 4.3 standards governing storage-type water heaters.
  • Meets or exceeds the thermal efficiency and standby loss reqiurements of the U.S. Department of Energy and current edition ASHRAE/IESNA 90.1
  • Design-certified by Underwriter’s Laboratories (UL), Inc. to NSF standard 5
  • Complies with SCAQMD Rule 1146.2 and other Air Quality Management Districts with similar requirements for low-NOx emissions
  • ASME tank construction optional on 120 to 250 model sizes. ASME tank construction standard on 300, 400 and 500 models


  • 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&P relief valve
  • Three year limited tank warranty

Specifications: https://www.commercialwaterheatersales.com/content/AO%20Smith%20BTH%20120%20to%20250.pdf

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