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Rinnai Ultra® Tankless Water Heater RUC98i

  • rinnai tankless water heater

Rinnai Ultra® Tankless Water Heater


  • Overview

    Rinnai's condensing tankless water heaters deliver more efficiency than ever before. Available in four models, suitable for mid- to large-sized home, Rinnai's condensing tankless water heaters offer all the same benefits builders and homeowners have come to expect from Rinnai.

  • Features
    • ENERGY STAR® Qualified
    • Condensing Technology for Greater Efficiency and Significant Energy Savings
    • Up to 96% Thermal Efficiency
    • Pre-set at 120°F
    • Natural Gas and Propane Models Available
    • Meets California and Texas NOx Emissions Standards
    • Energy Factor of 0.94 for Both Gas Types
    • Compatible with Full Line of Rinnai Digital Controllers
    • Temperature Range with Controllers: Residential (98°F - 140°F) Commercial (98°F - 185°F )
    • 12-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year Labor for Residential Installations
  • Specifications

    Width: 18.5 Inches
    Height: 26.4 Inches
    Depth: 10.1 Inches

    71 Pounds

    Indoor, Residential and Commercial

    Hot Water Capacity
    0.4 to 7.6 GPM (50° F rise) and 0.4 to 9.8 GPM (35° F rise)

    Approved Gas Types
    Natural Gas or Propane

    Minimum/Maximum Gas Rate (Input BTUs)
    Natural Gas: 9,500 – 199,000 BTU
    Propane: 10,300 – 199,000 BTU

    Energy Factor
    Natural Gas: 0.94
    Propane: 0.94

    Thermal Efficiency
    Natural Gas: 96%
    Propane: 96%

    AC 120 Volts, 60 Hz

    Electrical Consumption
    Normal: 80 Watts
    Standby: 2 Watts
    Anti-Frost Protection: 220 Watts

    Gas Connection
    Gas Supply: ¾ Inch MNPT
    Cold Water Inlet: ¾ Inch MNPT
    Hot Water Outlet: ¾ Inch MNPT

    Temperature Settings
    Residential: 98°F - 140°F
    Commercial: 98°F - 185°F (commercial controller must be purchased separately)

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