Features of the RTGH-90DVLN Indoor Direct Vent Natural Gas Condensing Tankless Water Heater

The Rheem RTGH series, including the RTGH-90DVLN Natural Gas Condensing Tankless Water Heater, is a group of ultra low NOx, mid-efficiency gas water heaters designed for continuous hot water in 2-3 bathroom homes.

  • Continuous hot water on demand
  • Energy efficient
  • Compact Size
  • Precise Temperature Control


  • Models H95, H90, and H84
  • Models available in 199,000 BTU/h, 180,000 BTU/h, and 157,000 BTU/h
  • High Temperature Chip Option – Increases the output temperature from 140 ºF max to 185 ºF max.
  • Up to 94% efficient



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