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Home » Commercial Water Heaters, Storage Tanks & Accessories » Natural Gas Water Heater » AO Smith BTH Water Heater Natural Gas

 
 
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Local and state codes must be consulted to determine if ASME code tanks are required on gas inputs over 200,000 Btu/h.

Natural Gas Water Heater - AO Smith BTH Water Heater Natural Gas


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AO SMITH BTH-120: 60 GALLON, 120,000 BTU, 3" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 60 Gallons
  • 125000 BTU
  • NON-ASME
ID: 5985
$4,990.17
Product Details Configure
AO SMITH BTH-120A: 60 GALLON, 125,000 BTU, ASME, 3" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 125000 BTU
  • ASME
ID: 5986
$6,357.89
Product Details Configure
AO SMITH BTH-150: 100 GALLON, 150,000 BTU, 3" VENT, UP TO 98% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 100 Gallons
  • 150000 BTU
  • NON-ASME
ID: 3402
$6,734.51
Product Details Configure
AO SMITH BTH-150A: 100 GALLON, 150,000 BTU, ASME, 3" VENT, UP TO 98% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 150000 BTU
  • ASME
ID: 3403
$8,260.80
Product Details Configure
AO SMITH BTH-199: 100 GALLON, 199,000 BTU, 3" VENT, UP TO 97% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 100 Gallons
  • 199000 BTU
  • NON-ASME
ID: 3404
$5,980.00
Product Details Configure
AO SMITH BTH-199A: 100 GALLON, 199,000 BTU, ASME, 3" VENT, UP TO 97% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 199000 BTU
  • ASME
ID: 3405
$8,427.49
Product Details Configure
AO SMITH BTH-250: 100 GALLON, 250,000 BTU, 3" VENT, UP TO 96% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 100 Gallons
  • 240000 BTU
  • NON-ASME
ID: 5987
$7,783.27
Product Details Configure
AO SMITH BTH-250A: 100 GALLON, 240,000 BTU, ASME, 3" VENT, UP TO 96% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 100 Gallons
  • 240000 BTU
  • ASME
ID: 5988
$9,141.08
Product Details Configure
AO SMITH BTH-300: 130 GALLON, 300,000 BTU, 4" VENT, UP TO 96% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
ID: 45318
$8,623.00
Product Details Configure
AO SMITH BTH-300A: 130 GALLON, 300,000 BTU, ASME, 4" VENT, UP TO 96% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 130 Gallons
  • 300000 BTU
  • ASME
ID: 5989
$10,131.28
Product Details Configure
AO SMITH BTH-400: 130 GALLON, 399,900 BTU, 4" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
ID: 45319
$9,437.51
Product Details Configure
AO SMITH BTH-400A: 130 GALLON, 399,900 BTU, ASME, 4" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 130 Gallons
  • 399900 BTU
  • ASME
ID: 5990
$10,881.81
Product Details Configure
AO SMITH BTH-500: 130 GALLON, 499,900 BTU, 4" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
ID: 45320
$10,863.79
Product Details Configure
AO SMITH BTH-500A: 130 GALLON, 499,900 BTU, ASME, 4" VENT, UP TO 95% THERMAL EFFICIENCY, NATURAL GAS, CYCLONE Mxi MODULATING COMMERCIAL GAS WATER HEATER
  • 130 Gallons
  • 499900 BTU
  • ASME
ID: 37838
$11,929.67
Product Details Configure
AO Smith BTX-100: 50 Gallon, 100,000 BTU, Cyclone Xi, Power direct Vent, Commerical Gas Water Heater, 2" OR 3" Vent, 96% Thermal Efficiency, Natural Gas
ID: 42290
$3,435.95
Product Details Configure
AO Smith BTX-80: 50 Gallon, 76,000 BTU, Cyclone HE Commercial Gas Water Heater,  2", 3" or 4" Power Vent, 90% Thermal Efficiency, Natural Gas
ID: 42289
$2,427.73
Product Details Configure
AO Smith BTXL-100: 75 Gallon, 100,000 BTU, Cyclone Xi, Power direct Vent, Commerical Gas Water Heater, 2" OR 3" Vent, 96% Thermal Efficiency, Natural Gas
ID: 56786
$4,665.81
Product Details Configure