CU199 Models

Built for Business

The CU199 Commercial Condensing Tankless Water Heater achieves the highest standards of reliability and efficiency. This efficient Tankless Water Heater comes standard on the Tankless Rack System™ (wall mount or free-standing) and is also available in individual units. Available in natural gas or propane, the CU 199 is a dedicated commercial tankless model, precision engineered to produce an endless supply of hot water for even the most demanding  applications – from restaurants to hotels to multifamily residences to schools and more. When the demands are greatest, Rinnai delivers.

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Why Choose the CU199

  • Increase savings with Commercial ENERGY STAR® certified Tankless Water Heaters that operate more efficiently on demand to provide an endless supply of hot water

  • Heat exchanger designed for the demands of businesses helps maximize the life of the product

  • Free up space with compact designs that can be installed indoors or out

  • Maintenance alerts to keep equipment operating at optimal efficiency and performance

  • Multiple venting options offer installation flexibility

  • Wi-Fi ready

  • Commercial Warranty: Limited 8-year on heat exchanger or 12,000 operation hours, whichever occurs first; all other parts: 5 years, Reasonable Labor up to 2 years.