Greenstar CDi Highflow Combi Boilers UK

Powerful – Plenty in the tank for 2-bath homes

Convenient – Fits under your kitchen counter

Rapid comfort – Powerful home heating for speedy warmth

Estimated Cost

Technical Specifications

Greenstar Highflow 440CDi (LPG)

ErP Efficiency Rating: B / A

Fuel Type: LPG (Gas)

Control Options: EasyControl compatible

Solar Compatibility: Yes

Central Heating Output: 29.2 kW

Dimensions (HxWxD): 850 x 600 x 600 mm

Hot Water Flow Rate: N/A

ErP Data Sheet: Available
💡 Compact and efficient LPG boiler designed for reliable central heating performance.

Greenstar Highflow 440CDi (NG)

ErP Efficiency Rating: B / A

Fuel Type: Natural Gas (NG)

Control Options: EasyControl compatible

Solar Compatibility: Yes

Central Heating Output: 29.2 kW

Dimensions (HxWxD): 850 x 600 x 600 mm

Hot Water Flow Rate: 20 l/min (at 40°C ∆T)

ErP Data Sheet: Available
💡 An excellent choice for medium homes, combining efficient heating with strong hot water output.

Greenstar Highflow 550CDi (LPG)

ErP Efficiency Rating: B / A

Fuel Type: LPG (Gas)

Control Options: EasyControl compatible

Solar Compatibility: Yes

Central Heating Output: 30.6 kW

Dimensions (HxWxD): 850 x 600 x 600 mm

Hot Water Flow Rate: N/A

ErP Data Sheet: Available
💡 High-capacity LPG system providing dependable heating for larger properties.

Greenstar Highflow 550CDi (NG)

ErP Efficiency Rating: B / A

Fuel Type: Natural Gas (NG)

Control Options: EasyControl compatible

Solar Compatibility: Yes

Central Heating Output: 30.6 kW

Dimensions (HxWxD): 850 x 600 x 600 mm

Hot Water Flow Rate: 25 l/min (at 40°C ∆T)

ErP Data Sheet: Available
💡 Ideal for larger homes, offering powerful heating and excellent hot water flow for busy households.

High Efficiency (A-rated)

Compact Utility Design

Wide Output Range

Renewable Ready

How it Works – Simple, Fast & Hassle-Free

Answer a few quick questions about your home and energy needs.

Choose the perfect renewable solution from tailored options we recommend.

Expert installers ensure a fast, professional, and reliable setup.

How long do Worcester Bosch boilers last?

With regular servicing and maintenance, a Worcester boiler typically lasts 12–15 years. Some can last even longer if well maintained.

What types of boilers does Worcester Bosch offer?

Worcester Bosch manufactures:

Combi Boilers – For instant hot water and heating, no tank required.
System Boilers – Require a cylinder for hot water storage.
Regular (Conventional) Boilers – Work with tanks and are ideal for older systems or larger properties.

How energy efficient are Worcester Bosch boilers?

Most modern Worcester boilers have an A-rated ErP efficiency (over 90%). This helps reduce energy bills and carbon footprint compared to older G-rated boilers.

How often should I service a Worcester Bosch boiler?

You should service your boiler once a year. Annual servicing ensures it runs safely, maintains efficiency, and keeps your manufacturer warranty valid.

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Battery Storage

Solar installation

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Boiler repair

Ev Charger

Battery Storage

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