UPDATE REQUIRED for most customers with the Rinnai control•r™ app and module. Learn More.
Tankless Water Heaters
The condensing CU Models achieve the highest standards of reliability and efficiency. This efficient tankless water heater comes standard on the Tankless Rack System and is also available in individual units.
Rinnai commercial models have 97% thermal efficiency* and are Ultra Low NOx compliant with 199,000 BTU. *Not AHRI certified
Multiple venting options offer installation flexibility, including PVC and the Rinnai Common Vent system.
Enjoy the flexibility to choose the unit that works best for your business. Rinnai tankless water heaters are available with natural gas or propane fuel options and can be installed inside or outside.
Wi-Fi technology allows certain water heaters to be monitored and controlled (scheduling, recirculation, and more) via smartphone or voice-controlled device.
Intelligent Water Heating System
Rinnai commercial tankless water heaters achieve the highest standard of reliability and efficiency, precision engineered to produce a continuous supply of hot water for even the most demanding application.
Integrated Temperature Controller
Units come with an integrated temperature controller that provides 98°F to 185°F with no external controller required.
The Rinnai commercial warranty includes coverage for the heat exchanger for 8 years or 12,000 operation hours, whichever occurs first, as well as coverage for all other parts for 5 years and reasonable labor for 1 year.
Meeting Your Commercial Needs
All of the key components in the CU199 are designed for commercial requirements and manufactured by Rinnai, ensuring maximum quality and reliability from the industry leader in commercial tankless water heating solutions.
Integrated temperature control up to 185 degrees F.
Cascade Cables allow up to 24 water heaters to be connected and function as one hot water source.
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