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RINNAI ULTRA® TANKLESS WATER HEATER RUC80i

Rinnai’s condensing tankless water heaters deliver more efficiency than ever before. 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.

  • ENERGY STAR® Qualified
  • Condensing Technology for Greater Efficiency and Significant Energy Savings
  • Up to 97% Thermal Efficiency
  • Pre-set at 120°F
  • Natural Gas and Propane Models Available
  • Meets California and Texas NOx Emissions Standards
  • Energy Factor of 0.96 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

Dimensions
Width: 18.5 Inches
Height: 26.4 Inches
Depth: 10.5 Inches

Weight
71 Pounds

Installation
Indoor, Residential and Commercial

Hot Water Capacity
0.4 to 6.0 GPM (50° F rise) and 0.4 to 8.0 GPM (35° F rise)

Approved Gas Types
Natural Gas or Propane

Minimum/Maximum Gas Rate (Input BTUs)
Natural Gas: 9,500 – 157,000 BTU
Propane: 10,300 – 157,000 BTU

Energy Factor
Natural Gas: 0.96
Propane: 0.96

Thermal Efficiency
Natural Gas: 97%
Propane: 97%

Electrical
AC 120 Volts, 60 Hz

Electrical Consumption
Normal: 63 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)