Brochure
The CU199 Commercial Tankless Water Heater achieves
the highest standards of reliability and eciency. This
97% thermal eciency Tankless Water Heater comes
standard on the Tankless Rack System™ (wall mount
or free-standing) and is also available in individual units.
With options in natural gas or propane, the CU199 is
a dedicated commercial tankless model, precision
engineered to produce an endless supply of hot water
for even the most demanding applications.
WHY CHOOSE THE RINNAI CU?
• Increase savings with Commercial Tankless Water Heaters
that operate more eciently on demand to provide an
unlimited 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
• Safety and security through built-in redundancy (multiple
units and reliability to keep your business on line)
• Maintenance alerts to keep equipment operating at optimal
eciency and performance
• Multiple venting options oer installation flexibility
• Wi-Fi capable
• Heat Exchanger: 8 yrs or 12,000 operation hours, whichever
occurs first, All other parts: 5 yrs, Reasonable Labor: 1 yr*
*For complete information and details regarding Rinnai’s warranty, visit rinnai.us.
Rinnai CU199 and CU160 Commercial
Condensing Tankless Water Heaters
Built for Business
Learn more at rinnai.us










