Rinniai RUCS751 180K BTU 7.5 gpm  Tankless Water Heater
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Rinniai RUCS751 180K BTU 7.5 gpm Tankless Water Heater

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The Luxury Series offers the highest output of our non-condensing units. It's incredible efficiency is built into a space-saving, modern design to satisfy demands of larger homes. Experience luxury convenience.



  • ENERGY STAR® qualified
  • Energy factor of .82
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Temperature lock function prevents accidental or unauthorized changes to water temperature
  • Leak detection shuts off water to the interior units to limit property damage
  • Temperature controlled, continuous flow, gas hot water system
  • Certified for installation in manufactured (mobile) homes
  • Forced combustion / direct vent
  • Complies with south coast air quality
  • 60 Hz
  • Internal max BTU 180,000 max
  • 120 Volts
  • 150 Max PSI water pressure
  • 20 Min PSI water pressure
  • 0.4 Activation GPM
  • Includes High-Quality Isolation and PRV Valves
  • No Additional Purchase Needed
  • Enables easy preventive maintenance, annual flushing, and serviceability
  • Delivers a $100 value

Product Details

  • Fuel Type: Natural Gas
  • Maximum Flow Rate: 7.5 gallons per minute
  • Minimum Flow Rate: 0.26 gallons per minute