Discontinued Product, please contact 0800 RINNAI for more information

Discontinued Product, please contact 0800 RINNAI for more information

Solar gas boost 24 external (REU-V2422WS)

Solar gas boost 24 external (REU-V2422WS)


Temperature controlled continuous flow gas hot water system designed as a boost for solar installations only. Comes with a flow diversion valve and is preset to 75 °C.

Suitable for
• homes with up to two bathrooms*
• close coupled and split systems (domestic and commercial applications)
• mains and low pressure systems
Hard or acidic water will need to be treated to use this product.

* Model selection is based on if solar hot water is not available.

Gas type
Available for Natural Gas or LPG. Specify gas type at time of purchase. LPG models come with automatic frost protection, this protects the Infinity against frost damage while the power is on.

Colour: Dune
Input: 188 MJ/h or 52 kW (max.)
Output: 42 kW
Efficiency: 81%


Capacity Nominal water capacity: 24 litres per minute at a 25 ° rise (1440 L/h)
Connections Hot water oulet: R¾ 20A (left)
Cold water inlet: R¾ 20A (centre)
Gas supply: R¾ 20A (right)
Exhaust System Forced flue
Ignition System Direct electronic ignition
Injector Size mm NG: 1.00, 1.55,   LPG: 0.70, 1.05
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: 45 W (NG) and 52 W (LPG), Standby: 1.5 W, Automatic Frost Protection: 74 W
Pressure Relief Valve opens at 2060 kPa, valve closes at 1470 kPa
Noise Level 49 dB(A)
NOx Level 48 ppm
Safety Devices Flame failure, boil dry, OHS, over temperature, fusible link, combustion RPM check, and overcurrent.
Water Flow Water flow control - water flow sensor, and electronic water flow control device.
Water Supply Nominal operating pressure: 160-1000 kPa
Minimum water flow: 2.4 litres per minute
Weight 16.5 kg
Market Release 2006
Discontinued March 2012

  All dimensions are in mm  
A Width 350
B Depth 194
C Height of unit 530
D Height including brackets 571
E Hot water outlet from wall 87
F Hot water outlet from centre 105
G Cold water inlet from wall 68
H Cold water inlet from centre 10
I Gas connection from wall 77
J Gas connection from centre 83
K Condensate outlet from wall N/A
L Condensate outlet from centre N/A
M Gas: Length of gas connection (from base)
Cold: Length of cold water inlet (from base)
Hot: Length of hot water outlet (from base)

Solar gas boost 24 external (REU-V2422WS)

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Ducted Gas Heating Service Centre
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