Discontinued Product, please contact 0800 RINNAI for more information

Discontinued Product, please contact 0800 RINNAI for more information

Infinity 18 Internal (REU-2006FFU)

Infinity 18 Internal (REU-2006FFU)

Obsolete April 2019

Spares and conversion are no longer available for this water heater. Other information is still available online to support existing installed product.

Temperature controlled internal continuous gas flow hot water system. Factory preset to 55 °C.
Compatible controllers
• MC 33-3 kitchen controller
• BC 45-3 bathroom controller
• BSC 45-3 second bathroom controller

Suitable for
• internal domestic installations
• homes with up to two bathrooms
Hard or acidic water will need to be treated to use this product.

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

Colour: White
Input: 20-160 MJ/h (variable according to requirement)
Efficiency: 80%
REU Number: 2006FFU


Capacity Nominal water capacity: 18 litres per min. at 25 °C rise (1080 L/h)
Connections Hot water outlet: R¾ 20A centre
Cold water inlet: R¾ 20A
Gas supply: R¾ 20A right
Exhaust System Forced flue
Ignition System Direct electronic ignition
Injector Size (mm) NG: 1.60
LPG: 0.95
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: 112 W
Temperature Range 37-55 °C in 13 steps
37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 50, 55 °C
Temperatures (preset) 40, 50, 55, 75 °C
Water Supply Minimum operating pressure - 150 kPa
Nominal operating pressure - 500 kPa
Minimum water flow - 2.7 litres per minute
Weight 20 kg
Market Release 1995
Discontinued 2002
Obsolete April 2019

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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