Rheem Prestige RTGH is a series of high efficiency condensing tankless gas water heaters designed for continuous hot water.

Efficiency

  • Up to .94 EF with stainless steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI

Performance

  • Industry First! 0.26 GPM minimum flow rate, 0.40 GPM minimum activation flow rate
  • SCAQMD rule 1146.2 compliant
  • RTGH-95 for 3 bathroom homes*– 9.5 gal./min. at 35°F rise max., 8.4 gal./min. at 45°F rise
  • RTGH-90 for 2-3 bathroom homes*– 9.0 gal./min. at 35°F rise max., 7.5 gal./min. at 45°F rise
  • RTGH-84 for 2-3 bathroom homes*– 8.4 gal./min. at 35°F rise max., 6.6 gal./min. at 45°F rise

Compact Size

  • Compact space-saving design – about the size of a medicine cabinet

Self-Diagnostic System

  • Self-diagnostic system for easy installation and service.
  • Digital display shows temperature setting and maintenance codes

Technology

  • Two-pipe direct vent system designed for PVC pipe (up to 38 ft. of 3" PVC Pipe or 5 ft. of 2" PVC Pipe). See instructions for details
  • Hot-start programming helps minimize fluctuation in water temperature, referred to as “cold water sandwich effect,” during periods of  frequent on/ off operation
  • Built-in electric blower
  • Exclusive! Guardian OFW™ overheat film wrap
  • EZ-Link™ cable available for higher
  • mand applications to connect two tankless units to operate as one
  • Manifold up to six units with an optional MIC-6 manifold control board
  • Manifold up to 20 units with the optional MIC-185 plus the MICS-180 manifold control assembly

High-Altitude Compliant

  • High-altitude capability – up to 9,840 ft. elevation above sea level

Plus…

  • Digital remote control and 10 ft. of thermostat wire included
  • Supplied with a 120-volt power cord (indoor models only)
  • Freeze protection to -30°F
  • Required manual gas isolation valve included
  • EZ- Spec™ Sizing Software – advanced online tool that takes the guess work out of sizing tankless applications – available at www.rheem.com/tankless

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