Rheem Prestige tankless water heater

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


Up to .94 EF with stainless steel condensing heat exchanger
Intelligent electronic controls designed to increase energy efficiency and safety

Rheem Condensing Tankless Water Heater (Indoor)

Rheem tankless water heaters provide the comfort and convenience of having a continuous supply of hot water. For more information, please visit Rheem.com. Photography courtesy of Rheem.

Water savings setting – upon activation, this setting can save homeowners up to 1,100 gallon of water per year1 by decreasing the flow of water through the pipes until the temperature reaches the heater’s set temperature
Low flow fixture compatible – Industry first minimum flow rate of .26 GPM and minimum activation flow rate of .40 GPM ensures the user will receive hot water even in low demand situations
Recirculation Pump Kit-Ready – Quickly pairs with our Recirculation Pump kit to provide instantaneous hot water at the tap2
Easy Installation and Service

Built-in condensate neutralizer
1/2″ Gas line compatibility on every model
Exclusive! Maintenance Notice Setting alerts homeowner – flashing a warning code to call for service check
Self-diagnostic system for easy installation and service
Digital display shows temperature setting and maintenance codes
Two-pipe direct vent system designed for PVC pipe (up to 38 ft. of 3″ PVC pipe or 5 ft. of 2″ PVC pipe)

Hot-start programming helps minimize fluctuation in water temperature, referred to as “cold water sandwich”, during periods of frequent on/off operation
Exclusive! Guardian OFW™ overheat film wrap
EZ-Link™ cable available for higher demand applications to connect two tankless units to operate as one
Manifold up to six units with an optionalMIC-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 3

Digital remote control and 10 ft.of thermostat wire included
Supplied with a 120-voltpower cord (indoor models only)
Freeze protection to -30°F
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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