Attractively designed, the Worcester Bosch Greenstar 4000 System GR4700iW 12 S NG system boiler is a 12kW wall-mounted condensing system boiler with improved efficiency for an ErP A rating. This high-performance wall-mounted boiler is user-friendly and offers straightforward servicing.
- 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