From £1,210.00
The wall-mounted Worcester Bosch Greenstar 4000 25kw combi boiler offers an attractive design, improved installation and excellent performance.
ErP A-rated for energy efficiency and water heating efficiency, this 25kW condensing combi boiler includes an intuitive display panel for ease of use and it’s quiet too!
The Greenstar 4000 25kw Combi Boiler 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 also has a wide power range to meet all of your heating and hot water needs, whilst doing so efficiently.
| Weight | 36 kg |
|---|---|
| Dimensions | 40 × 31 × 72.4 cm |
| Watts | 25kw |
| Boiler Type | Combi |
| Flue Options | Boiler Only – NO Flue, Worcester Bosch Horizontal Flue Kit 60/100 (7716191082), Worcester Bosch Vertical Flue Kit (7719002430) |
Product features
Front access to key components
Longer flue lengths, up to 12M (60/100)
Intuitive full-colour long-text display
500ml condensate siphon
Quiet operation, 45dB(A)
Modulates down to 3kW central heating output (1:10)
Increased DHW efficiency but reduced waste water
Full flow rates from 1 bar mains pressure
Compatible with Greenstar intelligent filling system
| Brand | Worcester Bosch |
| Flow Rate | 10.2 L/min @ 35°C9 L/min @ 40°C |
| For Use With | Worcester BOSCH horizontal flue 100850 |
| Fuel Type | Natural Gas |
| Range | Greenstar 4000 |
| Warranty | 7 years |
| Weight | 34.6 kg |
| Energy Rating | A |
| Water Heating Energy Efficiency Class | A |
| Output | 25 kW |
| Depth (mm) | 310 |
| Efficiency (SAP 2009) | 94 |
| Mounting Type | Wall |
| Supplier Product Code | 333179 PK |
| Type | Combi boiler |
| Height | 724 mm |
| Width | 400 mm |
| Model Number | GR4700iW 25 C NG |
