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Commercial Tankless Water Heater

Commercial Water Heating Solutions

PRECISELY ENGINEERED. IRREFUTABLY TRUSTED.

Rinnai Tankless Water Heaters produce an endless supply of hot water to suit even the most demanding applications—from restaurants to hotels to multifamily residences to schools and more.

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Flexibility, durability and efficiency.

Tankless Rack System

Capacity in a whole new form.

Shipped fully assembled in a variety of configurations, the new Rinnai Tankless Rack System (TRS) arrives ready to install, and ready to impress. A complete and fully modular solution, TRS features a sturdy, pre-assembled aluminum rack with multiple Rinnai Tankless Water Heaters already mounted and connected to each other. Together, the units have enough capacity to suit a range of light to heavy commercial water heating requirements, replacing even the largest boilers and tank-style water heaters with one simple, energy- efficient solution.

Built to your advantage.

  • Maneuverability: Fits, fully assembled, through standard 32-inch doorways and on elevators
  • TRS racks come with two to six tankless units per rack, which can be combined for up to 25 tankless water heaters and provide up to 4.9 million BTU
  • Wall-mount or freestanding; outdoors or indoors
  • Corrosion-resistant, marine-grade aluminum is strong, but lightweight
  • Value engineered from the start—from installation to energy savings
  • Modulation technology with turn-down ratios of up to 327:1 to ensure hot water delivery and efficiency
  • Use with or without storage tank and/or recirculation loop
Commercial Tankless Water Heater

Tankless Rack System Configurations

UP TO 4.9 MILLION BTU AND 14,700 GALLONS PER HOUR:

†GPH represents flow rate delivered as GPH, not storage GPH

* Facing same direction

Note: Explanation of Part Numbers—For specific model numbers, add i or e (for external / internal) water heaters and N or P (for Natural Gas or LP). Example: TRW02iN, 2-unit wall-mount rack with interior Natural Gas RU98 tankless units.

Condensing

The Rinnai Ultra Series

THE ULTIMATE IN EFFICIENCY

Delivering our most energy-efficient performance, the Ultra Series features a unique condensing design with two heat exchangers to maximize heating value, as well as a top-down burner to enhance reliability and durability and reduce maintenance. The Ultra Series also offers the most hot water capacity per BTU, with the ability to support multiple, simultaneous hot water demands.

BENEFITS AT A GLANCE

  • Condensing technology for maximum efficiency
  • Up to .96 Energy factor (ENERGY STAR® qualified)
  • Available in two sizes: 152,000 and 199,000 BTU
  • Isolation valves included for easy maintenance
  • Pre-mix ceramic burner with dual-heat exchanger

Non-Condensing

The Rinnai Luxury Series

AWARD-WINNING PERFORMANCE

The Luxury Series offers the highest output of our non-condensing line of tankless units with sleek, modern design and a range of standard features and benefits to fully satisfy the demands of light commercial applications.

BENEFITS AT A GLANCE

  • .82 Energy factor (ENERGY STAR® qualified)
  • Available in two sizes: 180,000 and 199,000 BTU
  • Isolation valves included for easy maintenance

†To achieve temperatures over 140° F, an MCC-91-2 commercial controller must be purchased separately.

§MC-91-2 controllers are backwards compatible with previous water heaters.

Isolation Valve Kit is available for purchase directly from Rinnai or your local distributor. For complete warranty details, visit www.rinnai.us/warranty or call 1-800-621-9419.

Luxury/Ultra Series Limited Warranty: Standard Limited Warranty (some restrictions apply)—Commercial: 5-year heat exchanger, 5-year parts, 1-year labor, extended to 2-year labor when unit is registered with Rinnai within 30 days of purchase*.

Luxury Series heat exchanger warranty drops to 3 years if recirculation pump is used without an on-demand control system. Ultra Series maintains the full, applicable heat exchanger warranty if the recirculation system is controlled, but drops to 3 years if the system is uncontrolled.

*Offering of an extended 5-year labor warranty when the unit is installed in a residential application and 2-year labor warranty when the unit is installed in a commercial application if the product is registered with Rinnai within 30 days of purchase. Product registration is not required for the extended term in California, Quebec, or other jurisdictions that prohibit warranty benefits conditioned on registration. For complete warranty details, visit www.rinnai.us/warranty or call 1-800-621-9419.