Worcester Greenstar 4000 12kW LPG System Boiler
The Worcester Greenstar 4000 12kW System Boiler is the perfect heating solution for small to medium-sized homes with one bathroom. As the direct successor to the Greenstar 12Ri, this system boiler combines a modern design, quiet operation, and advanced controls, offering efficient heating and hot water performance for your home.
Compact yet powerful, the Greenstar 4000 12kW is ideal for properties that rely on a hot water storage cylinder, making it an excellent choice for system heating applications.
Modern Design and User-Friendly Display
The Greenstar 4000 features a full-colour text display that makes operation simple and intuitive. Its sleek, modern appearance ensures it fits seamlessly into any home environment, while the quiet combustion design allows it to run discreetly in the background without disturbing daily life.
Efficient Heating and Hot Water
With a 12kW heat output and ErP A rating, this boiler provides energy-efficient heating while helping to reduce fuel bills. The wide power range allows it to respond effectively to your home’s heating and hot water demands, offering consistent comfort without wasting energy.
It’s also compatible with Greenskies solar panels, providing the opportunity for further energy savings and a reduced environmental footprint.
Smart Connectivity
The Greenstar 4000 is compatible with Bosch EasyControl, enabling wireless smart control of your heating system. Adjust settings remotely via your smartphone or tablet, optimise energy usage, and enjoy enhanced convenience with connected technology.
Key Features & Benefits
12kW output – ideal for small to medium homes with one bathroom
ErP A-rated efficiency – reduces energy bills and environmental impact
Full-colour text display – simple, intuitive operation
Quiet operation – perfect for living spaces
Compatible with Bosch EasyControl – wireless smart home connectivity
Supports hot water cylinder systems – reliable storage and heating
Compatible with Greenskies solar panels – energy and cost savings
Modern compact design – fits neatly in any space
7-year guarantee – long-term peace of mind
Technical Specifications
Brand: Worcester Bosch
Model: Greenstar 4000 12kW System Boiler
Boiler Type: Gas System Boiler
Fuel Type: LPG
Mounting Type: Wall-mounted
Heat Output: 12kW
Dimensions (HxWxD): 724 x 400 x 310mm
Weight: 30.6kg
Colour: White
ErP Rating: A
EAN: 4057749856661
MPN: 7733600377
Product Code: PN183936
Warranty: 7 years
Why Choose the Worcester Greenstar 4000 12kW System?
The Greenstar 4000 12kW System Boiler offers a compact, efficient, and quiet solution for small to medium homes. With advanced features like smart connectivity, a full-colour display, and compatibility with solar panels, this boiler combines modern convenience, reliability, and energy efficiency. Backed by Worcester Bosch’s 7-year warranty, it provides a heating solution you can trust for years to come.
FAQs
Is this boiler suitable for my home?
Yes — the Greenstar 4000 12kW System Boiler is ideal for **small to medium-sized homes with one bathroom** and works with a hot water storage cylinder.
Can I control this boiler remotely?
Yes. The boiler is compatible with **Bosch EasyControl**, allowing you to adjust heating and hot water settings from your smartphone or tablet.
What is the warranty period?
This boiler comes with a **7-year warranty** from Worcester Bosch, providing long-term reliability and peace of mind.
If you want, I can also create a matching natural gas version or a higher output 21kW version to complement your Greenstar 4000 System boiler listings. Do you want me to do that next?
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