Worcester Bosch Greenstar 4000 System Gas Boiler (Natural Gas, ErP) (White) 18kW – 7733600381
Worcester Bosch Greenstar 4000 System Gas Boiler (Natural Gas, ErP) (White) 18kW – 7733600381
Login or Register to get your trade price
In stock
Couldn't load pickup availability



Collapsible content
Product Description
7733600381 | Worcester Bosch Greenstar 4000 18kW System Gas Boiler (White)
The Worcester Bosch Greenstar 4000 18kW is a high-performance system boiler designed for small to medium-sized homes with moderate heating demands. With its quiet operation, compact casing, and user-friendly full-colour interface, it is a modern solution offering energy-efficient heating. It is also compatible with smart thermostats and solar systems for further energy savings.
- Offers 18 kW central heating output ideal for 1-bathroom homes
- Quiet operation at 42 dB(A) for minimal disruption
- Compact design with rear piping options for easy installation
- Compatible with Bosch EasyControl and other smart thermostats
- Up to 10-year extended guarantee when installed by an accredited engineer
Technical Specification
depth | 310 mm |
guarantee | 10 Years |
height | 724 mm |
length | 310 mm |
model | Greenstar 4000 18kW |
pack size | 1 |
range | Greenstar 4000 |
supplier part number | 7733600381 |
type | System Boiler |
volume | 89936 ml |
width | 400 mm |
boiler system | Sealed System – Requires separate hot water cylinder |
color pattern | White |
energy efficiency class | ErP Class A (Heating) |
material | Stainless Steel |
mounting type | Wall-Mounted |
power source | Natural gas |