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With an enhanced combustion design, the Rinnai SENSEI Tankless Water Heater provides a better experience for both users and installers. Like all Rinnai Tankless Water Heaters, it's also vertically integrated. That means all key components are manufactured by Rinnai — to ensure Rinnai quality.

Condensing Technology for Colder Climates
The Rinnai SENSEI offers freeze protection down to -4° F (for outdoor units) or -22° F (for indoor units) through:
  • NEW integrated check valve that prevents backflow from outside cold air
  • NEW Fiber Mesh Premix Burner
  • Integrated logic to temporarily activate the unit in extreme cold climates

    • Max. BtuH Input: 199,000
    • Min. BtuH Input: 15,000
    • ENERGY STAR® Qualified
    • Gas type: Natural Gas
    • Wifi Capable
  • Read more
    Product Type:
    Tankless Heater
    Installation Type:
    Indoor Only
    Fuel Type:
    Natural Gas
    Energy Star Rated:
    BTU Input:
    Temperature Range (F):
    98°F to 140°F
    Flow Range (GPM):
    0.26 - 9.8
    Cold Water Inlet (NPTM):
    Gas Connection:
    Hot Water Outlet (NPTF):
    Height (Inches):
    Width (Inches):
    Depth (Inches):
    Limited 8 Year Warranty on Heat Exchanger / 5 Year on Parts / 1 Year on Labor
    Speak with a real person who will go out of their way to help!
    Closed Now: Phone Hours
    Monday – Thursday
    8am–7:45pm ET
    9am–7:45pm ET

    This item is compatible with the following model numbers.

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    Please note: Many replacement parts have subtle differences between them and can be easily confused. Attempting to install the incorrect part voids the return coverage. If you are not completely sure your order is correct please give us a call at 1-888-757-4774.

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