CTC EcoZenith i550 Pro

All-in-one tank with built-in intelligence.
CTC EcoZenith i550 Pro


The CTC EcoZenith i550 Pro can control all components in one or more heating systems: solar, pool heating, extra hot water and buffer tanks, electricity, wood, oil, gas and pellet boilers. It can even control many different types of heat pumps and choose which one goes into service for the best economy. The CTC EcoZenith i550 Pro provides plenty of hot water. At a flow rate of 22 litres per minute, the capacity is more than 600 litres of 40˚C hot water. The CTC EcoZenith i550 Pro is only 1,700 mm high and can be placed in rooms with low ceilings.


  • Advanced control for many different systems
  • Control of several different CTC heat pumps
  • 10 m solar coil and solar control for solar heating
  • 600 litres of Legionella-free hot water
  • Hot water coil approx 40 m
  • 90 mm polyurethane insulation
  • Immersion heater of 2×9 kW (additional 9 kW as option)
  • Fitted with bivalent shunt valve
  • Spacious yet compact
  • Flexible with several alternative areas of application
  • BBR
Energy efficiency class in package with integrated control
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