Rinnai Low Pressure Copper Indoor Cylinders

Manufactured in NZ since the 1930's.

Rinnai Low Pressure Copper Indoor Cylinders

Range of sizes
Extensive range of capacities (9-225 L) and sizes means hot water cylinder replacement is easy.

Custom built options are available.

Energy efficient
No cylinder wraps required, all cylinders meet NZ MEPS.

Easy installation
Connection to existing plumbing is easy with triple inlets, just choose left, right, or bottom for your cold water inlet.

Undersink range
Perfect if you need a little extra hot water—four sizes available 9-44 L.

Wetback options
Many wood, pellet fires, or burner systems can have a wetback fitted to them. A wetback can work as a valuable supplement to your hot water system.

Designed & engineered in NZ MEPS compliant Unique foam formulation 5 year warranty

Suitable for:
- low pressure indoor residential and commercial water heating applications
- maximum operating pressures up to 76 kPa
- left, right, or bottom plumbing connections

Not suitable as a pool or spa heater.

Rinnai Low Pressure Copper Indoor Cylinders

Rinnai Low Pressure Copper Indoor Cylinders

Rinnai Low Pressure Copper Indoor Cylinders

 
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Rinnai Enamel Mains Pressure Indoor Hot Water Cylinders

Rinnai Enamel Mains Pressure Indoor Hot Water Cylinders

 
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Rinnai Enamel Mains Pressure Indoor/Outdoor Hot Water Cylinders

Rinnai Enamel Mains Pressure Indoor/Outdoor Hot Water Cylinders

 
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Rinnai INFINITY® VT20 External (REU-VR2024WG)

Rinnai INFINITY® VT20 External

34.9 kW
Up to 6.1 stars 
RRP $1519.00
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Within the low pressure copper range there are different element sizes, configurations, and thermostat options, too many to list here. For further details refer to the 'Low Pressure Cylinder Copper section in the Storage Electric Hot Water Pocket Guide.


Anode Not required
Connections Hot and cold water connections ¾ " (20 mm)
Construction

High grade copper inner cylinders.

Galvanised steel outer casing.

Element Low watt density nickel plated copper, 1.25 " BSP boss.
Operating pressures

Maximim inlet pressure = 76 kPa

Maximum working pressure = 76 kPa

Thermal insulation CFC-free polyurethane foam, compliant with MEPS standard
Thermostat standard 7 " Cotherm probe 20 A over-temperature thermostat. manually resettable at 85 °C
Thermostat wetback 7 " Cotherm prove 20 A (no over-temperature)
TPR valve Not applicable
Weights empty/full (approx.)

9 L = 7 kg / 16 kg

14 L = 8 kg / 22 kg

22 L = 9 kg / 31 kg

44 L = 11 kg / 55 kg

90 L = 16 kg / 106 kg

135 L = 21 kg / 156 kg

180 L = 26 kg /206 kg
225 L = 31 kg / 56 kg

Cylinder recovery times (theoretical)

Based on a thermostat temp. setting of 60 °C and an incoming water temp. of 15 °C.

9 L

37.8 mins (1 kW)

14 L

44.4 mins (1 kW)

22 L

1 hr 10 mins (1 kW)

44 L

1 hr 32 mins (1 kW)

90 L

2 hrs 22 mins (1 kW)

135 L

3 hrs 32 mins (2 kW

180 L

4 hrs 44 mins (2 kW), 3 hrs 9 mins (3 kW)

250 L

4 hrs 23 mins (3 kW)

Low pressure copper undersink dimensions diagram


Low pressure copper standard and wetback cylinders

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