HJ Cooper Copper Low Pressure Hot Water Cylinders


HJ Cooper Copper Low Pressure Hot Water Cylinders

Our low pressure hot water cylinders are New Zealand's traditional electric cylinder. Manufactured in New Zealand since the 1930's an HJ Cooper hot water cylinder is the smart choice if you're looking for a low cost, high efficiency replacement.

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

Custom built options available.

Energy efficient
No cylinder wraps required, all HJ Cooper hot water cylinders meet NZ MEPS.

MEPS = Minimum Energy Performance Standard

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 wetbacks fitted to them. A wetback can work as a valuable supplement to your hot water system.
  

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.

HJ Cooper Copper Low Pressure Hot Water Cylinders

HJ Cooper Copper Low Pressure Hot Water Cylinders

HJ Cooper Copper Low Pressure Hot Water Cylinders

 
N/A
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HJ Cooper Enamel Mains Pressure Hot Water Cylinders

HJ Cooper Enamel Mains Pressure Hot Water Cylinders

 
N/A
View product details

Hotflo Mains Pressure Hot Water Cylinders

Hotflo Mains Pressure Hot Water Cylinders

 
RRP $1030.00
View product details

Rinnai INFINITY® VT20 External (REU-VR2024WG)

Rinnai INFINITY® VT20 External

34.9 kW
Up to 6.1 stars 
RRP $1519.00
View product details

Type: Internal

Sizes: 9, 14, 22, 44, 90, 135, 180, 225

Max pressure: 76kPa

kW: .1.5, 2 or 3 kW

Curved element: No

Wetback Option: Yes

Solar Enabled: No

Heat pump ready: No

Warranty: 5 Years

Type: Internal

Sizes: 30, 50, 90, 135,180, 250, 300

Max pressure: 850 kPa

kW: 1.5, 2 or 3kW

Curved element: Yes

Wetback Option: No

Solar Enabled: No

Heat pump ready: Yes

Warranty: 5 Years

Type: Internal/External

Sizes: 135, 180, 215, 270, 340

Max pressure: 850 kPa

kW: 2,3 or 3.6 kW

Curved element: Yes

Wetback Option: No

Solar Enabled: Yes

Heat pump ready: Yes

Warranty: 5 Years

Type: External only

Sizes: 16L - 26L

Max star rating: 6.2

Efficiency: 80%

Savings over electric on NG: 50%

Savings over electric on LPG: 15%

Warranty: 10 years pro rata on heat exch, 3 years parts


 

Model Codes and Capacities: Undersink LCUS00934010 = 9 L (1kW)
LCUS01434010 = 14 L (1 kW)
LCUS02234010 = 22 L (1 kW)
LCUSO4444515 = 44 L (1.5 kW)
Model Codes and Capacities: Classic
(energy cut-out thermostat fitted) 
LC04444515 = 44 L (1.5 kW)
LC09043020 = 90 L (2 kW)
LC09050020 = 90 L (2 kW)
LC09053020 = 90 L (2 kW)
LC13547020 = 135 L (2 kW)
LC13550020 = 135 L (2 kW)
LC13551020 = 135 L (2 kW)
LC13553020 = 135 L (2 kW)
LC13554020 = 135 L (2 kW)
LC13555020 = 135 L (2 kW)
LC18051030 = 180 L (3 kW)
LC18051020 = 180 L (2 kW)
LC18053030 = 180 L (3 kW)
LC18053020 = 180 L (2 kW)
LC18054030 = 180 L (3 kW)
LC18054020 = 180 L (2 kW)
LC18055030 = 180 L (3 kW)
LC18055020 = 180 L (2 kW)
LC22555030 = 225 L (3 kW)
LC22560030 = 225 L (3 kW)
Model Codes and Capacities: Wetback
(loose riser, bottom entry, energy cut-out thermostat NOT fitted)
 
LCW13547020 = 135 L (2 kW)
LCW13550020 = 135 L (2 kW)
LCW13551020 = 135 L (2 kW)
LCW13553020 = 135 L (2 kW)
LCW13554020 = 135 L (2 kW)
LCW13555020 = 135 L (2 kW)
LCW18051030 = 180 L (3 kW)
LCW18051020 = 180 L (2 KW)
LCW18053030 = 180 L (3 kW)
LCW18053020 = 180 L (2 kW)
LCW18053020 = 180 L (2 kW)
LCW18054030 = 180 L (3 kW)
LCW18054020 = 180 L (2 kW)
LCW18055030 = 180 L (3 kW)
LCW18055020 = 180 L (2 kW)
LCW22555030 = 225 L (3 kW)
LCW22560030 = 225 L (3 kW)
Operating pressures

Max. inlet pressure = 76 kPa

Max. working pressure = 76 kPa

Anode Not required
Connections Hot and cold water connections ¾ " (20 mm)
Construction High grade copper inner cylinder.
Galvanised steel outer casing.
Element Low watt density nickel plated copper, 1.25 " BSP boss
Thermal Insulation CFC-free polyurethane foam insulation, compliant with NZ MEPS.
Thermostat: Classic 7 " Cotherm probe 20 A over-temperature thermostat, manually resettable at 85 °C
Thermostat: Wetback 7 " Cotherm probe 20 A (no over-temperature)
TPR Valve N/A
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)
225 L 3 hrs 56 mins (3 kW)
Vol. (litres)  A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) G (mm)
90 Ø 430 1115 150  N/A  ¾ " ¾ " N/A
90 Ø 500 820 175  N/A  ¾ " ¾ " N/A 
90 Ø 530 745 175  N/A ¾ " ¾ "  N/A
135 Ø 470 1315 180  170  ¾ " ¾ " 1 "
135 Ø 500 1165 175 170  ¾ "  ¾ "  1 "
135 Ø 510 1170 175  170  ¾ "  ¾ "  1 " 
135 Ø 530 1055 175 170  ¾ "  ¾ "  1 " 
135 Ø 550 980 180  170  ¾ "  ¾ "  1 " 
180 Ø 510 1495 175  170  ¾ "  ¾ "  1 " 
180 Ø 530 1370 175 170  ¾ "  ¾ "  1 " 
180 Ø 550 1265 180  170  ¾ "  ¾ "  1 " 
225 Ø 530 1540 180  170  ¾ "  ¾ "  1 " 
225 Ø 600 1330 205  170  ¾ "  ¾ "  1 " 


E = cold inlet, F = hot outlet, G = WBC connector


 

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Gas Hot Water

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Get Rinnai INFINITY ® VT Gas Hot Water at home.


*15% in areas using LPG

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