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Rinnai water heating solutions are equally at home in commercial environments as they are in domestic settings.

In situations where larger volumes of water are required, such as sports clubs, laundries, gyms and motels, or at home for specialised, large multi-jet showers or a large number of ensuites,  Rinnai offers state-of-the-art heavy duty technologies.

Rinnai Efficiency, heavy duty Infinity units, Manifolded Efficiency and Infinity assemblies and Demand Duo systems provide all the hot water you need.

Rinnai also offers a full specification service for architects and designers to help in the selection of the right unit.  Call 0800 to Rinnai (0800 86 746 624) for advice at any time.

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Heavier Demand Models
Rinnai Efficiency 24
Rinnai Efficiency 24
  • 95% energy efficiency
  • Significant reduction on running costs
  • Can be preset to 65° and 75°
  • Hot water capacity 2.3-30lt/min
  • Input (max) 162 Mj/hr 45kW
  • Water pressure 200 kPa (min)
Rinnai Infinity HD200 External
Rinnai Infinity HD200 External
  • Suitable for situations requiring higher hot water temperature.
  • Silicon coated heat exchanger
  • The Rinnai Infinity Heavy Duty 200 can be set up to 85°.
Rinnai Infinity HD200 Internal
Rinnai Infinity HD200 Internal
  • Suitable for situations requiring higher hot water capacity
  • Silicon coated heat exchanger
  • Can be set for temperatures as high as 85°C.
  • This is a flued appliance
Rinnai Infinity HD250 External
Rinnai Infinity HD250 External
  • Situations requiring higher hot water temperatures demand a heavy duty model
  • Silicon coated heat exchanger
  • Can be set for temperatures as high as 95°C.
Rinnai Infinity HD250 Internal
Rinnai Infinity HD250 Internal
  • Situations requiring higher hot water temperatures demand a heavy duty model
  • Silicon coated heat exchanger
  • Can be set for temperatures as high as 95°C.
  • This is a flued appliance
Rinnai Infinity Electronic Manifold System
Rinnai Infinity Electronic Manifold System
  • When there is a demand for extremely large, continuous volumes of hot water, a bank of units can be installed in a Rinnai Manifold system
  • Ideal for sports clubs, restaurants, motels or wherever large volumes of hot water are required on call
  • The volume of hot water required determines how many Infinity units will be manifolded together
  • An electronic control system links each Infinity, turning it on as required
  • The system automatically evens out the work load between units to minimize wear and tear.
Rinnai Demand Duo
Rinnai Demand Duo
  • The Rinnai Demand Duo System is designed to cope with extreme but finite demands for hot water in large commercial situations (also some high demand domestic situations) such as hospitals, restaurants, motels or apartment blocks.
  • It is, in effect, a sophisticated hot water storage tank with an extremely fast recovery rate.
  • Single or multiple Rinnai Infinity units are connected to a high quality hot water storage cylinder to provide a continuous supply of large quantities of hot water when needed. A very cost-effective solution when compared to high maintenance boiler unit options.
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