Greenstar 4000 System System Boilers UK

Greenstar 4000 System System Boilers UK

Super quiet – Powerful heating without the noise

Contemporary – Designed for stylish home interiors

QuickTap – No more wasting water waiting for it to heat up

Estimated Cost 

Technical Specifications

Greenstar Danesmoor External 12/18 (2022+)

  • ErP Efficiency Rating: A

  • Fuel Type: Oil

  • Control Options: EasyControl compatible

  • Solar Compatibility: Yes

  • Central Heating Output: 18 kW

  • Dimensions (HxWxD): 950 x 565 x 780 mm

  • ErP Data Sheet: Available

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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