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Rinnai SENSEI Tankless

Rinnai SENSEI Tankless


Only super-high-efficiency Rinnai® SENSEI™ Tankless water heaters combine the most convenient, innovative tankless water heater technology with the unsurpassed quality and reliability of Rinnai.

Sales Team: (803) 323-5315
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Rinnai Sensei Super Efficiency Model RU199 for internal or external installation

Spec Sheet

Well suited for both residential and commercial applications delivering up to 11 gallons of hot water per minute. All SENSEI™ models offer recirculation for faster hot water and Wi-Fi compatibility, so they can be controlled and monitored remotely from a smart device.


  • Energy Star® rated for efficiency
  • 15-year limited warranty on heat exchanger
  • Energy Factor: 0.93
  • Flexible venting options
  • Stainless steel heat exchangers
  • Recirculation optional
  • Wi-Fi compatibility


Learn More About Tankless Water Heaters »


Condensing & Recirculating Technology

Offering condensing tankless technology, perfect for larger homes delivering up to 11 gallons of hot water per minute and featuring ThermaCirc360 Recirculation Technology with wi-fi capability.  93% efficient and Energy Star Certified.

We offer interest-free financing on gas appliances purchased in our showroom.

Pay 20% (or more) down at the time of purchase and place the remaining balance on your monthly gas bill... interest-free!

Guidelines and financing options vary, based on qualifications and amount of purchase.

Certain restrictions apply. Ask a sales associate for more information.