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Rinnai Tankless RU80

Rinnai Tankless RU802019-09-19T02:23:20-04:00


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RU 80 Ultimate Savings & Comfort

Rinnai Diagram


  • ENERGY STAR® Qualified
  • Condensing Technology for Greater Efficiency and Significant Energy Savings
  • Built-in Rinnai Circ-LogicTM recirculation program cycles an external pump at pre-set intervals and temperatures to maximize efficiency and comfort.
  • Up to 97% Thermal Efficiency
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit.
  • Pre-set at 120°F
  • Temperature lock function prevents accidental or unauthorized changes to water temperature
  • Energy Factor of .96 for Natural Gas and Propane
  • Natural Gas and Propane Models Available
  • 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 )



  • Up to 3 showers at the same time
  • Max btu 152,000.


  • 12-Year Warranty on Heat Exchanger
  • 5 Year warranty on Parts
  • 1 Year Labor for Residential Installations

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