Discontinued Product, please contact 0800 RINNAI for more information

Discontinued Product, please contact 0800 RINNAI for more information

Infinity 24 External (REU-2425W)

Infinity 24 External (REU-2425W)


Temperature controlled continuous gas flow hot water system, with status monitor, for external domestic applications.

Hot water capacity
2.7 to 24 litres per minute.

Energy efficiency

Suitable for
• External domestic installations
• For homes with up to two bathrooms
• Mains and low pressure systems
Hard or acidic water will need to be treated to use this product.

Gas type
Available for Natural Gas or LPG. Specify gas type at time of purchase.

Colour: White
Input: 188 MJ/h or 52 kW
Output: 42 kW
Efficiency: 80%
REU Number REU-2425W


Capacity Hot water capacity: 2.7 to 24 litres per minute
Nominal water capacity: 24 litres per min. at 25 °C rise (1440 L/h)
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 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: 59 W, Standby: 6 W, Automatic Frost Protection: 80 W
Noise Level 49 dB(A)
Water Supply Minimum operating pressure - 220 kPa
Nominal operating pressure - 220-830 kPa
Minimum water flow - 2.7 litres per minute
Weight 22.7 kg
Market Release 2002
Discontinued 2004

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*15% in areas using LPG

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