Ultra Low NOx Series: Heavy Duty
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The new and improved line of Richmond Ultra Low NOx water heaters meets the industry's highest environmental standards while providing more safety features and better reliability than ever. 

Performance
  • Recovery Capacity: 72.8 gallons per hour*
  • FHR: 135 gallons for 75-gallon model and 150 gallons for 98-gallon model

Guardian™ System
  • Exclusive fuel shut-off device
  • Maintenance free – no filter to clean
  • Protective control system that disables the heater in the presence of flammable vapor accumulation

Integrated Burner Safety System
  • Bi-metal temperature sensor maintains safe burner operation

High Altitude Compliant
  • All models are certified for applications up to 10,000 feet above sea level

Plus…
  • Integrated self diagnostic system control for easy installation and service
  • Eco-friendly burner, ultra low NOx design meets 14 ng/J NOx requirements
  • Premium grade anode rod provides long-lasting tank protection
  • Enhanced-flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Cord-free design
  • Side water connections for space heating applications
  • Standard replacement parts

*Recovery Capacity is based upon a 90° F water temperature rise and calculated per ANSI Z21.10.3 standards

Specifications

  • 75 and 98 gallon models
  • Cord-free design
  • Certified for applications up to 10,000 feet above sea level
  • Side water connections enable use in space heating applications

Energy Guide Details

Certifications

US CSA (Star)AHRI

Documents

Ultra Low NOx Heavy Duty

Warranties

6-Year limited tank and parts