Efficiency:
- 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
Performance
- Industry First! 0.26 GPM minimum flow rate, 0.40 GPM minimum activation flow rate
- RTGH-95 – 9.5 gal./min. at 35°F rise max., 8.4 gal./min. at 45°F rise SCAQMD rule 1146.2 compliant
- RTGH-84 – 8.4 gal./min. at 35°F rise max., 6.6 gal./min. at 45°F rise
Compact Size
- Compact space saving design
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, see instructions for details
- Built-in electric blower
- Exclusive! Guardian overheat film wrap (OFW)
- 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
- High-altitude capability – up to 9,840 ft. elevation above sea level
Plus…
- Up to 38 ft. of 3” PVC Pipe or 5 ft. of 2” PVC Pipe , see instructions for details
- 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
Specifications
- Models H84 and H95 indoor and outdoor
- Vents with Standard PVC – lower cost, readily available, and easy to install
- 94% efficient
- Built-in Condensate Neutralizer – reduces installation cost and time
- ENERGY STAR® rated
- Industry-Best Low Activation Flow Rates
Energy Guide Details
- Understanding Energy Efficiency
- Click here to review this water heater's Energy Guide for more details.
Certifications
Documents
Warranties
Parts - 5 Years
Labor - 1 Year
Heat Exchange - 5 Years

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