Greenstar 4000 System Range overview

The Greenstar 4000 is perfect for small to medium sized homes with one bathroom, it features a modern new design, an easy to use full colour text display and it’s quiet too. The Greenstar 4000 has a wide power range to meet all of your heating and hot water needs, whilst doing so efficiently.

* Up to a 10 Year guarantee when installed by a Worcester Accredited Installer. Terms and conditions apply.

Our entire gas boiler range is able to run on a 20% hydrogen blend - so you can be confident it will run on gas for it’s lifetime. Learn more

  • Wide power range helps to reduce gas consumption and lower energy bills
  • The modern new design comes with an easy to use colour display
  • Our quietest system boiler, making it easy to live with
  • Features wireless connectivity with the Bosch EasyControl
  • Suitable for homes where the heating system includes a hot water storage cylinder
  • Can be used with Greenskies solar panels for energy and cost savings

Greenstar 4000 System Greenstar 4000 System
Greenstar 4000 System Greenstar 4000 System
Download ErP Data Sheet

This efficiency rating icon is for a product within a range of products. View all products in this range

Technical Details

Greenstar 4000 12kW System Greenstar 4000 15kW System Greenstar 4000 18kW System Greenstar 4000 21kW System Greenstar 4000 24kW System
ErP Efficiency Rating
A

A

A

A

A

ErP Data Sheet ErP Data Sheet ErP Data Sheet ErP Data Sheet ErP Data Sheet
LPG model available
Control Options *
EasyControl Compatible 1
Solar Compatible
Central heating output (kW) 12 15 18 21 24
Dimensions (mm) height x width x depth 724* x 400 x 310 724* x 400 x 310 724* x 400 x 310 724* x 400 x 310 724* x 400 x 310

Related documents

Find a local installer

Each heating system needs custom designing. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote.

Find the right boiler for you

Our Find a New Boiler tool is the easiest way to find and compare Worcester products which are suitable for your home and heating requirements and only takes a few minutes.

Find the right boiler for you