Give us a call on 01928 531 870 Head office or 0203 903 9030 Rinnai London

Rinnai Infinity PLUS Storage System

In situations where a very large demand of hot water is required, Rinnai Infinity PLUS storage offers a cost effective gas fired water heating solution.

Using a modular arrangement of condensing water heaters of either internal or external Rinnai Heavy Duty or Heavy Duty condensing water heaters and a stainless steel storage vessel, demands in excess of 20,000 litres per hour can be satisfied.

Rinnai's stainless steel storage vessels do not require electric immersion heating elements and these items may be supplied as an optional extra if required.

The modular water heating system offers the additional benefit of operational cover should a water heater fail; easy access and isolation of a unit for servicing.

Rinnai's Infinity PLUS gas fired storage system represents a very competitive and energy efficient hot water solution for larger heavy duty applications that have peak hour demands. Rinnai Gas fired condensing water heaters coming with extended warranties even in the heaviest of commercial environments. 

 A Rinnai Infinity PLUS Gas fired Storage System includes:

  • Delivery to site
  • A number of HD or HDC Condensing water heaters (larger systems available on request)
  • An equal number of standard flue kits (Common Header Flue systems are available if required)
  • An equal number of pipe cover boxes (external heaters only)
  • 1 Hot water storage vessel- 300L, 500L, 800L or 1000L Stainless steel
  • 1 Hot water storage vessel valve pack- Double check valve, two ball valves
  • An equal number of continuous flow water heater valve packs - Ball valves for cold water, hot water, gas
  • 1 Primary pump with valves
  • 1 Unvented kit (1", 1½" or 2" pipework)
  • 1 Isolation valve
  • 1 Pressure reducing valve with gauge
  • 1 Strainer
  • 1 Double check valve
  • 1" Safety relief valve, 6 bar
  • Expansion vessel (50, 80 or 140ltr)
  • 2 Drain cocks,
  • 1 Tundish,
  • 1 Temperature and pressure relief valve
  • 1 Control thermostat
  • 1 Overheat thermostat

Contact Rinnai for more information

Rinnai Condensing Water Heaters can be used to maintain the temperature in a large storage vessel.
This approach could be used where the hot water requirement exceeds the flow capacity of the manifolded units, or where there is an intermittent demand for hot water in buildings such as hotels, hospitals, apartments, etc.

Additional Information - gas fired water heater flow rates. 

To discover the true range of flow rates achievable through the Rinnai condensing and non condensing water heaters, please use the link below to download.

Rinnai IPS Flow Rates 1.0 LR

What kind of product are you looking for?



Low NOx

Help me choose
Request a callback
Case Studies