Product Lines


High Efficiency Systems

Tankless, Heat Pump & Conventional Water Heaters

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Rinnai Ultra Series Tankless Water Heaters

The Ultra Series condensing tankless water heaters deliver more efficiency than ever before. Available in several models' suitable for mid to large sized homes. The Ultra Series condensing tankless water heaters offer all the same benefits builders and homeowners have come to expect.

Rinnai's Ultra Series Tankless Water Heater RUR Models use thermal bypass technology that includes an integrated recirculation pump' an internal bypass line inside the unit and a thermal bypass valve provided inside the box to send unlimited hot water wherever and whenever it's needed' all in one comprehensive solution. By keeping a steady supply of heated water in the supply line during active circulation periods' the RUR makes hot water rapidly available in showers' sinks and appliances such as washing machines and dishwashers.

  • Up to 96% Thermal Efficiency
  • Energy Star Qualified
  • Condensing Technology for Greater Efficiency and Significant Energy Savings
  • Interior and Exterior Units
  • Natural Gas and Propane Models Available
  • Pre-set at 120°F
  • Meets California and Texas NOx Emissions Standards
  • Energy Factor of 0.94 for Both Gas Types
  • Up to 9.8 GPM
  • Allows for either Concentric Polypropylene or PVC/CPVC venting providing the most venting flexibility in a single application of any manufacturer
  • Integrated re-circulation system in RUR models
MODELConfigurationMax
MBtuH
Min
MBtuH
Flow Rate
GPM
UEFTemp.
Range
Dimensions
HxWxD
Weight
Lbs.
RU98eExterior 199.0 15.2 9.80 0.95 98-185 26x18.3x10 62
RU80eExterior 152.0 15.2 8.00 0.96 98-185 26x18.5x10 71
RUC80iInterior 152.0 15.2 8.00 0.96 98-185 26x18.5x10 62
RUC98iInterior 199.0 15.2 9.80 0.95 98-185 26x18.5x10 62
RUR98eExterior 199.0 15.2 9.80 0.95 98-140 26x18.5x10 73
RUR98iInterior 199.0 15.2 9.80 0.95 98-140 26x18.5x10 73
RUC90iInterior 180.0 15.2 7.70 0.96 98-185 26x18.5x10 62
RU90eExterior 180.0 15.2 9.00 0.96 98-185 26x18.5x10 71
RUCS75iInterior 160.0 10.3 7.50 0.93 120-140 26x18.5x10 57
RUCS65iInterior 130.0 10.3 6.50 0.93 120-140 26x18.5x10 57
RUS75eExterior 160.0 10.3 7.50 0.93 120-140 26x18.5x10 57
RUS65eExterior 130.0 10.3 6.50 0.93 120-140 26x18.5x10 57

Warranty Information

  • Heat Exchanger for 144 months -
  • All Parts for 60 months -
  • Limited Labor for 12 months - Residential Only

Available Documents

  • 2-7158.pdf (In the Box, Installation & Operation)
  • 2-8807.pdf (Color, Customer Information, Consumer Literature)
  • 2-15266.pdf (In the Box, Installation & Operation)
  • 2-16486.pdf (Water Heating Line, Color, Consumer Literature)
  • 2-15265.pdf (Technical Information, Specification Sheet)