Skip to content

Rinnai RUR98iN 9.8 Max GPM Ultra Series Condensing Indoor Natural Gas Tankless Water Heater with Recirculation

by Rinnai
Sold out
$ 1,659.00

Venting Sold Separate 


See more Rinnai tankless water heaters on their brand page

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. The new RUR98i and RUR98e Ultra Series condensing tankless water heater models  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.

RUR98IN comes complete with:

  • Built-in circulation pump
  • Internal by-pass pipe for internal "recirculation"
  • MC-195T remote controller
  • Thermal Bypass Valve
  • Isolation and pressure valves


    Dimensions Width: 18.5 inches (469.9 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

    Energy Factor

    0.95 for Natural Gas

    Temperature Range Residential: 98øF - 140øF (37øC - 60øC)

    Commercial: 98ø F - 140øF (37øC - 60øC)

    Minimum Activation Rate

    0.4 gpm (1.5 lpm)

    Flow Rate (70ø / 50ø 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)

    Controllers 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***



    Ultra Series (RU) | Value Series (V65) | Luxury Series (RL)


    FTC Energy Guide

    Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior notice. Local, state, provincial and federal codes must be adhered to prior to installation.