1636 West 75th Avenue
Vancouver, BC V6P 6G2

(604) 263-0323



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

Earth-friendly technology produces lower CO2 emissions which contribute to cleaner air and a healthier environment.



Width: 18.5 inches (469.6 mm)

Height: 26 inches (660.4 mm)

Depth: 10 inches (254 mm)


72.8 lbs (33.0 kg)

Installation Type


Minimum/Maximum BTU

15,200 / 199,000 Natural Gas and Propane

Energy Factor

0.95 for Natural Gas and Propane

Temperature Range

Residential: 98°F - 140°F (37°C - 60°C)

Commercial: 98°F - 185°F (37°C - 85°C)

Minimum Activation Rate

0.4 gpm (1.5 lpm)

Flow Rate (70° / 50° Temperature Rise)

5.5 / 7.7 gpm (20.8 / 29.2 lpm)

Hot Water Flow Rate Range

0.26 - 9.8 gpm (0.98 - 37.1 lpm)


Standard: MC-195T-US

Optional: MC-91-2US

Ultra Low NOx


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


Valves Shipped in Box


High Altitude Approved

Up to 10,200 ft. (3,109 m)


AHRI, CSA, Energy Star®

Venting Options

Concentric or PVC / CPVC

Tankless Rack System (TRS/TRW) Compatible


1/2" Gas Line Compatible