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RUR98I Ultra Series Tankless Water Heater

More Hot Water Faster!

Rinnai Ultra Series Tankless Water Heaters deliver innovation and technological leadership in condensing tankless water heating design. Providing homeowners with an endless supply of hot water, energy savings, a space-saving design and environmental benefits, Rinnai now offers faster hot water with the new Ultra Series RUR models Tankless Water Heaters. These new Ultra Series condensing tankless water heater models, RUR98i and RUR98e, feature recirculation (with or without a dedicated recirculation line) provided by thermal bypass technology which includes an integrated pump, internal bypass line and thermal bypass valve which means less wait time for hot water.

The new RUR98 will come complete with:

  • Built-in circulation pump
  • Internal by-pass pipe for internal "recirculation"
  • MC-195T remote controller
  • Thermal Bypass Valve
  • Isolation Valves
Width: 18.5 inches
Height: 26 inches
Depth: 10 inches
Weight72.8 lbs / 33.0 kg
Installation TypeIndoor
Minimum/Maximum Gas Range15,200 - 199,000 Natural Gas and Propane
Energy Factor 0.95 for Natural Gas and Propane
Temperature Range Residential: 98°F - 140°F Commercial: 98° F - 140°F
Approved Gas Types Natural Gas or Propane
Minimum Activation Rate0.4 GPM
Flow Rate (70° / 50° Temperature Rise)5.5 / 7.7
Hot Water Flow Rate Range 0.26 to 9.8 GPM
ControllersMC-195T-US (included) - Pump Timer Control MC-91-2US (optional)
Ultra Low NOx Yes
Warranty (Residential) Limited 12-year on heat exchanger, 5-year on parts, 1-year on labor (5-year optional on labor)
Warranty (Commercial)Limited 5-year on heat exchanger, 5-year on parts, 1-year on labor (2-year optional on labor)
Mobile Home Certified Yes
Valves Shipped in BoxYes
CertificationsAHRI, CSA, NSF, Energy StarŪ