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.
Key Benefts:
- Wide power range helps to reduce gas consumption and lower energy bills
- Innovative ‘Quick Tap’ water saving function helps you reduce water waste
- The modern new design comes with an easy to use colour display
- Operates extremely well in low water pressure areas, ensuring powerful and warm showers
- One of the quietest combi boilers available, making it easy to live with
- Features wireless connectivity with the Bosch EasyControl
- Instantaneous hot water, always available
- Suitable for small to medium homes
