Rinnai INFINITY® V-Series

Overview

Discontinued
Discontinued 2006-2007, superseded by the Rinnai XR-Series

Temperature controlled continuous flow gas hot water heaters, with status monitor. Primarily used for residential applications. Six models in the range:

  • V16 external REU-V1616W
  • V16 internal REU-V1616WF (also XR16i)
  • V18 external REU-V2018W
  • V20 external REU-V2020W
  • V26 external REU-V2626W
  • V26 internal REU-V2632FFU
  • V32 external REU-V3232W and REU-V3203W

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Technical Specifications

Colour

White

Efficiency
  • 80% (V16, V32)
  • 81% (V16/XR16i internal)
  • 82% (V18, V20, V26)
  • 87% (V26 internal)
REU numbers
  • V16: REU-V1616W
  • V16 internal: REU-V1616WF (also XR16i)
  • V18: REU-V2018W
  • V20: REU-V2020W
  • V26: REU-V2626W
  • V26 internal : REU-V2632FFU
  • V32: REU-V3232W and REU-3203W
Factory preset temperature

55 °C

Suitability
  • external residential applications (V16-V32)
  • internal residential applications (V16 and V26 internal)
  • mains and medium pressure systems

Hard or acidic water will need to be treated in order to use this product

Gas type

Available for Natural Gas or LPG (XR26ia was only available in LPG). Gas type specified at time of purchase.

Hot water capacity
  • V16: 2.4-16 L/min (incl. V16 int)
  • V18: 2.4-18 L/min
  • V20: 2.4-20 L/min
  • V26: 2.4-26 L/min 
  • V26 int: 2.4-30 L/min
  • V32: 2.4-32 L/min
Input and output
Model Input Output
V16  125 MJ/h or 55 W 28 kW
V18 160 MJ/h or 44 kW 35 kW
V20 160 MJ/h or 44 kW 35 kW
V26 199 MJ/h or 45 kW 45 kW
V26 int 195 MJ/h or 54 kW 44 kW
V32 250 MJ/h or 69 kW 56 kW
Exhaust system external models

Forced flue

Flue internal units

V16 - single skin flued appliance
V26 - balanced flue room sealed appliance

Frost protection

Fitted 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 system

Direct electronic ignition

Injector sizes
Model NG (mm) LPG (mm)
V16, V18, V20 0.85, 1.30 0.70, 1.05
V26 1.15, 1.80 0.75, 1.15
V26 internal 1.00, 1.70 0.75, 1.15
V32 1.05, 1.65 0.65, 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 pressure down).

Power consumption
Model NG Standby Auto. frost protection
V16, V18, V20 47 W 6 W 74 W
V16 int 65 W 6 W 72 W
V26 65 W 6 W 100 W
V26 int 80 W 7.5 W 100 W
V32 83 W 12 W 100 W
Pressure relief

Valve opens at 2060 kPa, and closes at 1470 kPa

Noise level

49 dB(A)

Safety devices

Flame failure, boil-dry protection, overheat protection, fusible link, pressure relief valve and combustion fan rpm check

Water supply

Nominal operating pressures:

  • 100-830 kPa - V16 / XR16i 
  • 130-1000 kPa - V16, V18, V20
  • 140-1000 kPa - V26 int
  • 150-1000 kPa - V26, V32

 Activation flow rate 2.4 L/min

Weights

V16, V18, V20 = 16 kg
V26 = 21 kg
V26 int = 22 kg
V32 = 22 kg

Market release

2004

Discontinued

2006, superseded by the XR-Series
V16 internal was discontinued in 2007

Why Rinnai?

Our stylish and efficient heating and cooling solutions are designed to bring you total home comfort.

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