Rinniai RUCS651 130K BTU 6.5 gpm  Tankless Water Heater
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Rinniai RUCS651 130K BTU 6.5 gpm Tankless Water Heater

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I acknowledge that this product must be installed by a licensed technician and that electrical products are non-refundable.


The Value Series delivers the ideal combination of comfort and value. This compact unit has all the reliability expected from Rinnai for medium-to smaller-sized homes, especially in warmer climates.



  • ENERGY STAR® qualified
  • Energy factor of .82
  • Certified for installation in manufactured (mobile) homes
  • Leak detection shuts off water to unit to limit property damage
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Temperature lock prevents accidental or unauthorized changes to water temperature
  • Complies with south coast air quality management district 14 ng/j or 20 ppm nox emission levels
  • Temperature controlled, continuous flow, gas hot water system
  • External, max BTU 150K
  • 60 Hz
  • 150 Max PSI water pressure
  • 120 Volts
  • 20 Min PSI water pressure
  • 0.4 Activation GPM
  • Handle two or more showers at a time: No

Product Details

  • Fuel Type: Natural Gas
  • Maximum Flow Rate: 6.5 gallons per minute
  • Minimum Flow Rate: 6.5 gallons per minute
  • Outdoor Use: Yes