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Deliver performance and reliability for even the most demanding jobs.
Demand Duo™ 100 Gallon Storage Tank
Demand Duo™ 2 119 Gallon Storage Tank
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 [Click here to learn more].
Tankless Rack Systems
Freestanding Rack and Inline Freestanding Rack
Now you can harness all the benefits of tankless water heating technology, preassembled and ready to replace the boiler in your commercial water heating system.
Built with superior quality and reliability, Rinnai’s Tankless Rack System™ offers the perfect BTU upgrade of an old-style domestic water boiler that is reheating storage tanks. On retrofit applications, often times you can keep your existing tank and pump and simply replace with the lower cost and better performing TRS.
Pre-assembled with one connection point for gas, water, electrical and the condensate drain, the Rinnai Tankless Rack System (TRS) offers simple installation while reducing labor time and cost.