Rheem RTG is a series of ultra low NOx, mid-efficiency tankless gas water heaters designed for continuous hot water

Efficiency

.82 EF with all-copper heat exchanger
Intelligent electronic controls designed to increase energy efficiency and safety

Performance

Exclusive! Water savings setting –upon activation, this setting can save homeowners up to 1,100 gallon of water per year 1 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 .40G PM 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

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
3"/5" concentric vent system with Integrated condensate collector
Connects to Metal Fab. Inc., 3"/5"concentric venting without an adapter

Technology

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 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

Low Emissions

Environmentally friendly ultra low NOx burner meets SCAQMD rule 1146.2 requirements

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
EZ- Spec™ Sizing Software – advanced online tool that takes the guess work out of sizing tankless applications–available at www.rheem.com/tankless