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Rinnai INFINITY® EF24 External

  • Features
  • Suitable for
  • Technical
  • Accessories




162 MJ/h or 45 kW


43 kW



Energy Star Rating

REU number:REU-K2430WG
Factory preset temperature:55 °C
Rinnai product codeEF24NCN/EF24NCL


CapacityHot water capacity: 2.3 to 30 litres per minute
Nominal water capacity: 24 litres per minute at a 25 °C rise (1440 L/h)
ConnectionsHot water oulet: R¾ (20 mm)
Cold water inlet: R¾ (20 mm)
Gas supply: R¾ (20 mm)
Condensate: R½ (15 mm)
Exhaust systemForced flue
Frost protectionFitted as standard.
Frost protection operates automatically, as long as the appliance is connected to the electrical power supply, by activating when the temperature inside the unit drops below 3.5 °C, and turns off once the temperature inside the unit reaches 7 °C.
Ignition systemDirect electronic ignition
Injector sizeNG: 0.90, 1.50,   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 consumptionNormal: 50 W, Standby: < 3 W (with one remote), Automatic Frost Protection: 118 W
Noise level49 dB(A)
NOx af< 60 ppm
Safety devicesFlame failure, boil-dry protection, overheat protection (OHS), fusible link, pressure relief valve, combustion fan rpm check
Water supplyNominal operating pressure: 240-1000 kPa
Minimum water flow: 2.4 litres per minute
Weight27 kg
Market release• first released 2008
• relaunched 2011
ComplianceES: Supplier Declaration of Compliance
• Declaration Number: 1431020135
• Certificate Number: 7083



$2,199.00 Regular Price
$1,885.00Sale Price
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