HJ Cooper Low Pressure Cooper Indoor Cylinders

Overview

Discontinued
Discontinued August 2017, superseded by Rinnai's new range of branded cylinders

Extensive range of capacities (9-225 L) means hot water cylinder replacement is easy. Undersink range, four sizes available 9-44L. Wetback options also available.

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

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Product Details

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.

Technical Specifications

Anode

Not required

Connections

Hot and cold water connections ¾ " (20 mm)

Construction

Inner cylinder: High grade copper
Outer casing: Galvanised steel

Element

Incoloy stainless alloy steel

Operating pressures

Maximum 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 probe 20 A (no over temperature)

Weights
Model Weight empty Weight full
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 256 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 min (1 kW)
  • 14 L = 44.4 mins (1 kW)
  • 22 L = 1 hr 10 mins (1 kW)
  • 44 L = 1 hr 10 mins (2 kW)
  • 90 L = 2 hrs 22 mins (2 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)
Compliance

No cylinder wrap required. All Rinnai cylinders meet the NZ Minimum Energy Performance Standard (MEPS).

Discontinued

Late 2017, superseded by Rinnai branded low pressure copper cylinders

Why Rinnai?

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

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