Features of the RTGH-84DVN Prestige Condensing Tankless Water Heater

Designed for continuous hot water for homes with 2-3 bathrooms, Rheem’s RTGH-84DVN Prestige Condensing Tankless Water Heater is a high efficiency, condensing gas water heater. The commercial conversion program chip upgrades the RTGH-84DVN to operate at higher water temperatures for commercial applications.

  • Nearly Continuous hot water
  • Energy cost savings
  • Reduced unit footprint
  • Reduced installation costs
  • Water saving features


  • Up to 94% energy efficient with stainless steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI
  • RTGH-84 for 2-3 bathroom homes – 8.4 gal./min. at 35°F rise, 6.6 gal./min. at 45°F rise — SCAQMD rule 1146.2 compliant
  • Compact space saving design – about the size of a medicine cabinet
  • Self-diagnostic system for easy installation and service



  • Parts Warranty – 5 Years
  • Labor Warranty – 1 Year
  • Heat Exchange Warranty – 12 Years