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Worcester Greenstar 550CDi Highflow Combi & Standard Flue


Worcester Greenstar 550CDi Highflow Combi & Standard Flue

£5,007.74 £2,506.82

Worcester Greenstar 550CDi Highflow Combi Floor Standing Boiler & Standard Flue

5 Year Guarantee

Height: 850mm

Width: 600mm

Depth: 600mm


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The Greenstar Highflow CDi combi boilers are floor-standing. These boilers have been specifically developed for larger two bathroom properties where there is a heavier requirement for heating and hot water.

Greenstar Highflow CDi boilers incorporate many of the operating features of our wall-mounted combis and can be used with mechanical, digital, wireless and new-generation intelligent controls.

For further peace of mind, every boiler in Worcester’s Greenstar gas and LPG condensing boiler range has been awarded a Which? Best Buy accreditation.

Image of 5 year guarantee logo (with extra padding)           5 year boiler guarantee 

10 year guarantee on primary heat exchanger.

Central heating output: 30.6 kW
Domestic hot water flow rate: 25 litres per minute at 30 degree temperature rise (provided adequate mains pressure is available)


    • 90.4% AThe Greenstar Highflow 440CDi is 90.4% efficient and is in the highest possible official efficiency category, SEDBUK band ‘A‘
    • EST registered This boiler is registered with the Energy Saving Trust

Features and benefits

  • Best official boiler efficiency rating (SEDBUK band A)
  • Suitable for larger family homes with multiple bathrooms
  • Both hot water and central heating temperatures can be controlled
  • Floor-standing boiler
  • Multi-directional fluing offers siting flexibility
  • 5 year boiler guarantee
  • 10 year guarantee on primary heat exchanger
  • 5 year anti-scale guarantee on domestic hot water heat exchanger
  • Mechanical, digital and new generation intelligent controls are all compatible
  • Optimising 7-day programmable room thermostat available
  • 24 hour programmable room thermostat available
  • Built-in condensate pump – 4.5m head increases siting possibilities
  • Earth bonding strip saves labour and money
  • Roll-in boiler minimises risk of damaging flooring
  • Built-in filling link saves money and labour
  • Temperature control for CH and DHW
  • Floor mounting pre-plumbing jig
  • Built-in frost protection
  • Electronic ignition
  • Pump seizure protection
  • Fault finding diagnostics
  • Anti-cycle device
  • No ventilation grilles required in compartment


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