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D-D H2 Ocean DC 750 Aquarium Chiller


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DC-750 Refrigerated Cooler


D-D have been looking at refrigerant coolers for a number of years and with the new models we now offer the very latest generation models giving high efficiency, reliability and economy with respect to both running and initial purchase costs.

The new DC-750 refrigerated cooler is compact enough to fit in most cabinets but has a cooling capacity of 750W making ideal for aquariums of 300 lts at a 10°C temperature drop to 600lt with a 5°C temperature drop.




  • Microcomputer control – for accuracy and ease of use with a built in temperature memory system in the case of a power failure. Integral over temperature cut off.
  • Pure TITANIUM heat exchanger /evaporator – for it’s extreme anti corrosion properties in a saltwater environment.
  • Low running noise
  • High efficiency, latest generation cooler – for low running costs.
  • Superior quality condenser – for reliability and low noise.
  • Robust metal chassis – for strength and anti vibration properties
  • Contemporary housing design – to fit with most decors.




  • Cooling Power – 750W
  • Voltage – 220-240V
  • Frequency – 50Hz
  • Current – 1.8A
  • Water refrigerated – 200-600lts
  • Refrigerant – R134a
  • Water flow – 1000-2500 lts/hr
  • Weight – 18.6Kg
  • Dimensions – 448 x 330 x 440mm
  • Inlet and outlet – 16-22mm Eheim hose


The performance cooling curve for the DC750 working on an aquarium of 300 litres of water which starts at a water temperature of 28°C. You can see the drop in temperature of the aquarium hour by hour as it is recirculated through the cooler.

The ambient air temperature in the room remains at 30°C throughout the test.

The chart shows that the temperature of the water is reduced by 10°C in a period of 12 hours.

Internal fuse – T start T6.3A/250V or 10A/250V if T start type fuse is not available

The mains plug is also protected by a 13 amp fuse

Note that no heat from lighting or other equipment is added to the water mass during the test.


Additional information

Weight 50.000 kg


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