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Commercial Gas Water Heaters


Ultra Low NOX Commercial Gas Water Heaters
American Standard

Ultra low NOX light and heavy duty commercial gas water heater.
Designed as the universal replacement for all brands of Non-Ultra low NOX commercial models. Ultra low NOX light and heavy duty commercial product offering ~ the most complete line ~ models ranging 

• Available in 75 and 100 Gallon capacities
• 76,000 BTU/Hr Input - 512,000 BTU/Hr Input
• R-16 Non-CFC Foam Insulation
• 2 Heavy Duty Anode Rods
• Natural Gas
• Automatic Motorized Flue Damper
• Heavy Gauge Steel Tank Lined with DURA-GLAS™
  Enamel
• ETL Listed to meet NSF/ANSI Standards

  1. Turbulence-inducing Cold Water Inlet Dip Tube on 1 1/2” Top Water Connections to reduce settlement of hard water sediment.
  2. Factory Installed Temperature/Pressure Relief Valve.
  3. Easy Access Full Size Inspection Port/Hand Hole Clean Out.
  4. Ultra Low Nox burner exceeds California SCAQMD and BAAQMD requirements
*   4 Year Limited Tank Warranty and 1 Year Parts Warranty

• ULTRA LOW NOx Burner

Ultra Low NOx Heavy Duty

• Available in 80 & 100 Gallon capacities
• American Standard Commercial Gas Water Heaters
  are the Universal Replacement for All Brands
• Dura-Glas™ Enamel Heavy Duty Multi-Flue
  Steel Tank
• R-8 Foam Insulated 
• Automatic Motorized Flue Damper
• Electronic Direct Spark Ignition System
• Four Anode Rods
• Fully Adjustable Controls
• Turbulence-inducing Cold Water Inlet Dip Tube on 1 
  1/2” Top Water Connections
• Factory Installed Temperature/Pressure Relief Valve
• Easy Access Full Size Inspection Port/Hand
  Hole Clean Out.
• ULTRA LOW NOx Burner
• Four Year Limited Tank Warranty
• Approved Ratings & Certifications
• CEC & ETL Listed to meet NSF/ANSI 5 Standards 

Ultra Low NOx Heavy Duty

• Available in 80 & 100 Gallon capacities
• American Standard Commercial Gas Water Heaters
  are the Universal Replacement for All Brands
• Dura-Glas™ Enamel Heavy Duty Multi-Flue
  Steel Tank
• R-8 Foam Insulated 
• Automatic Motorized Flue Damper
• Electronic Direct Spark Ignition System
• Four Anode Rods
• Fully Adjustable Controls
• Turbulence-inducing Cold Water Inlet Dip Tube on 1 
  1/2” Top Water Connections
• Factory Installed Temperature/Pressure Relief Valve
• Easy Access Full Size Inspection Port/Hand
  Hole Clean Out.
• ULTRA LOW NOx Burner
• Four Year Limited Tank Warranty
• Approved Ratings & Certifications
• CEC & ETL Listed to meet NSF/ANSI 5 Standards 

Ultra Low NOx Heavy Duty

• Available in 80 & 100 Gallon capacities
• American Standard Commercial Gas Water Heaters
  are the Universal Replacement for All Brands
• Dura-Glas™ Enamel Heavy Duty Multi-Flue
  Steel Tank
• R-8 Foam Insulated 
• Automatic Motorized Flue Damper
• Electronic Direct Spark Ignition System
• Four Anode Rods
• Fully Adjustable Controls
• Turbulence-inducing Cold Water Inlet Dip Tube on 1 
  1/2” Top Water Connections
• Factory Installed Temperature/Pressure Relief Valve
• Easy Access Full Size Inspection Port/Hand
  Hole Clean Out.
• ULTRA LOW NOx Burner
• Four Year Limited Tank Warranty
• Approved Ratings & Certifications
• CEC & ETL Listed to meet NSF/ANSI 5 Standards 

Available for purchase in store only.

*Stocking Data is current as of 8/25/2026 7:49:02 PM PT


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Image Product Name Size/Color SKU Unit Quantity Price
Commercial Gas Water HeaterLight Duty 75 Gallon 76,000 BTU
Commercial Gas Water HeaterLight Duty 75 Gallon 76,000 BTU Model No. ULN-75-76-AS 04820 EA
Price: $3,153.99
Commercial Gas Water Heater - 100 Gallon / 76,000 BTU
Commercial Gas Water Heater - 100 Gallon / 76,000 BTU Model No. ULN-100-76-AS 04821 EA
Price: $3,998.99
Commercial Gas Water Heater - 80 Gallon / 199,000 BTU
Commercial Gas Water Heater - 80 Gallon / 199,000 BTU Model No. ULN-80-199-AS 04824 EA
Price: $5,437.99
Commercial Gas Water Heater - 100 Gallon 199,000 BTU
Commercial Gas Water Heater - 100 Gallon 199,000 BTU Model No. ULN100-199-AS 04826 EA
Price: $6,488.99
Commercial Gas Water Heater - 100 Gallon 250,000 BTU
Commercial Gas Water Heater - 100 Gallon 250,000 BTU Model No. ULN-100-250-AS 04828 EA
Price: $6,999.48
Commercial Gas Water Heater - 100 Gallon 270,000 BTU.
Commercial Gas Water Heater - 100 Gallon 270,000 BTU. Model No. ULN-100-270-AS 04829 EA
Price: $6,832.99
Commercial Gas Water Heater - 80 Gallon / 399,000 BTU
Commercial Gas Water Heater - 80 Gallon / 399,000 BTU Model No. ULN-80-399-AS 04830 EA
Price: $9,999.99
Commercial Gas Water Heater - 80 Gallon / 512,000BTU
Commercial Gas Water Heater - 80 Gallon / 512,000BTU Model No. ULN-80-512-AS 04831 EA
Price: $9,999.99
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