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




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
- Greenstar 4000 System One Page Guide Manufactured after 24.05.21
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