Rinnai INFINITY N-Series Gas Continuous Flow Water Heaters

Priced From

$4,074.00 inc GST


Please note: For off shore island or international purchases you will need to create a 'Quote List' or simply contact any store and our friendly team will assist you.

The Rinnai INFINITY N-Series are condensing gas continuous flow water heaters designed for commercial applications and high hot water demand residential installations.

Available as an external unit (N56kWe) or an internal unit (N56kWi).


  • Stainless steel heat exchanger and internal piping
  • Inverted burner, burner cleaning no longer required
  • Inbuilt control panel, parameters easily set
  • Inbuilt temperature sensor
  • Premix burner, no gas pressure setting required
  • Low cost and easy electronic connection
  • Powerful fan allows a lower cost common flue to be installed (available ex-stock)

Suitable for

  • External commercial and residential applications (N56kWe external model only).
  • Internal commercial and residential applications (N56kWi internal model only).
  • Mains and medium pressure systems. Hard or acidic water will need to be treated to use this product.

Condensing technology

  • Utilises a secondary heat exchanger to drive further thermal efficiency by extracting heat from combusted flue gases, making the N-Series models 97% efficient.

Not suitable

  • as spa or swimming pool heater
  • for hydronic applications
  • for domestic ring main applications

Gas type

  • Available for Natural Gas or LPG. Please select gas type from the drop down.

Technical Specifications

  • Factory preset temperature:55°C
  • Hot water capacity: 1.5-37 litres per minute. Nominal water capacity is 32 litres per minute at a 25°C rise (1920 L/h)
  • Direct electronic ignition
  • Frost protection is fitted as standard
  • Safety devices
    • Flame failure
    • Boil-dry protection
    • Overheat protection
    • Fusible link
    • Pressure relief valve
    • Combustion fan RPM check
Operation Guide Download
Installation Guide Download