- 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*
- Suitable for small to medium homes

05 Feb 2025
Greenstar 4000 Combi overview









