Features of the RTGH-84DVLN Tankless Water Heater

The Rheem RTGH series, including the RTGH-84DVLN Tankless Water Heater, is a group of high efficiency gas water heaters designed for continuous hot water. The commercial conversion program chip upgrades the RTGH-84DVLN Tankless Water Heater to operate at higher water temperatures for commercial applications.

  • 94% Energy efficient with stainless steel condensing heat exchanger
  • Compact space saving design
  • Self-diagnostic system for easy installation and service
  • Built-in electric blower
  • Exclusive! Guardian overheat film wrap (OFW)


  • Vents with Standard PVC – lower cost, readily available, and easy to install
  • 94% efficient
  • Built-in Condensate Neutralizer – reduces installation cost and time
  • ENERGY STAR® rated
  • Industry-Best Low Activation Flow Rates



  • Parts Warranty – 5 Years
  • Labor Warranty – 1 Year
  • Heat Exchange Warranty – 5 Year