Discontinued Product, please contact 0800 RINNAI for more information

Discontinued Product, please contact 0800 RINNAI for more information

Rinnai Infinity XR32a Aggressive Water External (REU-VR3237WGT-ZK)

Rinnai Infinity XR32a Aggressive Water External (REU-VR3237WGT-ZK)


Specially designed for aggressive water areas (such as Christchurch)
Temperature controlled continuous flow gas hot water system for external domestic applications. Factory preset to 55 °C.

Hot water capacity
2.4 to 37 litres per minute.

Energy efficiency

Suitable for

Aggressive water areas (such as Christchurch)
• Commercial and domestic external applications
• Applications requiring higher hot water temperatures, can be set up to 95 °C
• Mains and low pressure systems

Gas type
LPG only

The following diagram has been provided to assist you in determining where (and if) an external continuous flow water heater can be positioned. If in doubt, prior to purchase, consult a licensed gasfitter.

Colour: Silver
Input: 250 MJ/h or 69 kW
Output: 55.2 kW
Efficiency: 80%
Energy Star Rating: 5.3 stars

Capacity Hot water capacity: 2.4 to 37 litres per minute
Nominal water capacity: 32 litres per minute at a 25 °C rise (1920 L/h)
Connections Hot water oulet: 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: 1.00, 1.65  LPG: 0.75, 1.15
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: 72 W,  Standby: 2 W, Automatic Frost Protection: 116 W
Pressure Relief Valve opens at 2060 kPa, valve closes at 1470 kPa
Noise Level 49 dB(A)
Safety Devices Flame failure, boil-dry protection, overheat protection (OHS), fusible link, pressure relief valve, combustion fan rpm check
Water Supply Nominal operating pressure: 200-1000 kPa
Minimum water flow: 2.4 litres per minute
Weight 21 kg
Market Release 2008
Discontinued 2010

A Height 470
B Width 244
C Height of unit 600
D Height including brackets 644
E Hot water outlet from wall 115
F Hot water outlet from centre 61
G Cold water inlet from wall 99
H Cold water inlet from centre 52
I Gas connection from wall 61
J Gas connection from centre 110
K Condensate outlet from wall
L Condensate outlet from centre
M Gas: Length of gas connection (from base)
Cold: Length of cold water inlet (from base)
Hot: Length of hot water outlet (from base)

Rinnai Infinity XR32a Aggressive Water External (REU-VR3237WGT-ZK)

Ducted Gas Heating Service Centre

Ducted Gas Heating Service Centre
Operating 5 days a week, 8am to 5pm, Monday to Friday our New Zealand based customer service centre provides nothing but top quality. If you need to book in a Ducted Gas Heating service, we have a team of providers fully trained and equipped with diagnostic tools to service your appliance when you need them. 

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