Discontinued Product, please contact 0800 RINNAI for more information

Discontinued Product, please contact 0800 RINNAI for more information

Infinity 24 Plus External (REU-2402W)

Infinity 24 Plus External (REU-2402W)


Spare parts and conversion are no longer available for this water heater.
Information such as the operating and installation instructions, specification information, and servicing information (in some cases) is still available to help support existing installed models.

Temperature controlled external continuous gas flow hot water system, with status monitor, and Q-function for precise water temperatures

Hot water capacity
2.4 to 24 litres per minute.

Energy efficiency
5-star AGA rating

Compatible controllers
• MC-33-2A
• BC-45-2A
• BSC-45-2A

Suitable for
Suitable for use in larger homes with large demands on hot water.
Hard or acidic water will need to be treated to use this product.

Gas type
Available for Natural Gas or LPG.

Colour: White
Input: 20-188 MJ/h
Efficiency: 5-star AGA rating
REU Number: REU-2402W


Capacity Hot water capacity: 2.7 to 24 litres per minute at a 25 °C (1440 L/hr)
Connections Hot water outlet: R¾ (20 mm)
Cold water inlet: R¾ (20 mm)
Gas supply: R¾ (20 mm)
Exhaust System Forced flue
Ignition System Direct electronic ignition
Injector Size (mm) NG: 1.70
LPG: 1.0
Line Pressure (min.) NG: 1.13 kPa, LPG: 2.75 kPa
Line Pressure (max.)

3.5 kPa (maximum standing pressure under abnormal intermittent conditions is 5.0 kPa).

In the case of commercial metering (i.e. 35-37 kPa coming in), there may be a requirement to regulate the incoming line pressure down.

Power Consumption Normal: 55 W, Standby: 8 W, Automatic Frost Protection: 80 W
Water Supply Minimum operating pressure - 150 kPa
Nominal operating pressure - 150-830 kPa
Minimum water flow - 2.7 litres per minute
Weight 22 kg
Market Release 1995
Discontinued 2002
Obsolete April 2013

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