Rinnai RU199iN Sensei 11 GPM 199000 BTU 120 Volt Residential Natural Gas Tankless Water Heater for Indoor Installation



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The Rinnai RU199iN is exactly the type of efficient, energy-saving appliance needed for homes today. This 11 GPM tankless water heater is capable of heating water for multiple uses at once in any size home while simultaneously saving on energy through its convenient temperature lock and smart, Wi-Fi-ready features. These built-in features help households save on costs. Order the Rinnai RU199iN water heater today for hot water when you need it, whenever you need it.


  • Energy Star qualified with uniform energy factor of .93
  • Equipped with Rinnai Circ-Logic - pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation (not included)
  • Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
  • Save energy and reduce utility costs by operating only when hot water is needed
  • Temperature lock function 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
  • Wi-Fi ready with optional Rinnai Control-R wireless module (not included)
  • Residential warranty: Limited 15-year or 12,000 hrs. on heat exchanger, 5-year on parts, 1-year on labor (5-year optional on labor). Commercial Warranty: Limited 8-year or 12,000 hrs. on heat exchanger, 5-year on parts, 1-year on labor (2-year optional on labor)
  • Professional installation required; call 84-GO-Rinnai for assistance

Safety Features:

  • Flame failure - flame rod
  • Boiling protection
  • Combustion fan RPM check
  • Over current - glass fuse
  • Remaining flame (OHS)
  • Automatic frost protection


  • Width: 14-3/4"
  • Height: 33-7/8"
  • Depth: 22-1/16"
  • Product Weight:64 lbs.
  • Fuel Type: Natural Gas
  • Gas Connection: 3/4"
  • Water Connection: 3/4"
  • Water Pressure (Min): 50
  • Water Pressure (Max): 150
  • Temperature (Min): 98
  • Temperature (Max): 140
  • Natural Gas Pressure (Min): 3.5 WC
  • Natural Gas Pressure (Max): 10.5 WC
  • Voltage: 120v
  • Frequency: 60
  • Amperage: 4

For Rinnai Certified Installation:

Contact Rinnai at 844-348-4715

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