Worcester Greenstar 4000 15kW System Gas Boiler White
The Worcester Greenstar 4000 15kW System Boiler is a high-efficiency, compact system boiler designed for small to medium-sized homes with one or two bathrooms. As part of Worcester Bosch’s 4000 series, it offers modern styling, quiet operation, and reliable heating performance, making it an ideal choice for homeowners seeking comfort and efficiency.
Its system boiler design works with a hot water storage cylinder, providing consistent hot water while supplying central heating to your home efficiently.
Modern Design and User-Friendly Operation
Featuring a full-colour text display, the Greenstar 4000 15kW is simple to operate and monitor. The quiet combustion design ensures the boiler runs discreetly in the background, offering a comfortable and peaceful home environment. Its sleek white finish fits seamlessly into any space, including utility rooms and kitchen cupboards.
Efficient Heating and Hot Water
With a 15kW heat output and an ErP A rating, this boiler provides energy-efficient central heating while helping to reduce gas consumption and lower energy bills. Its wide power range allows the boiler to adjust output efficiently according to your heating and hot water needs.
This boiler is also compatible with Greenskies solar panels, giving homeowners the potential for additional energy and cost savings.
Smart Features and Connectivity
The Greenstar 4000 15kW offers wireless connectivity with Bosch EasyControl, allowing you to adjust heating and hot water remotely via your smartphone or tablet. This smart functionality provides ultimate convenience and helps optimise your home’s energy use.
Key Features & Benefits
15kW output – ideal for small to medium homes with 1–2 bathrooms
ErP A-rated efficiency – energy-saving and eco-friendly operation
Compact and modern design – fits neatly into kitchen cupboards or utility rooms
Quiet operation – minimal disruption in the home
Full-colour text display – easy to use and monitor
Bosch EasyControl compatible – smart home functionality
Compatible with hot water cylinders and solar panels – flexible and efficient
7-year warranty – long-term peace of mind
Technical Specifications
Brand: Worcester Bosch
Model: Greenstar 4000 15kW System Gas Boiler
Boiler Type: System Boiler
Fuel Type: Natural Gas
Mounting Type: Wall-mounted
Heat Output: 15kW
Dimensions (HxWxD): 724 x 400 x 310mm
Weight: 30.6kg
Colour: White
ErP Rating: A
EAN: 4057749856685
MPN: 7733600379
Product Code: PN183937
Warranty: 7 years
Why Choose the Worcester Greenstar 4000 15kW?
The Greenstar 4000 15kW System Boiler delivers a compact, quiet, and efficient solution for small to medium homes. Its modern design, full-colour display, and smart connectivity make it easy to operate while ensuring reliable heating and hot water. Backed by Worcester Bosch’s 7-year warranty, it provides homeowners with peace of mind and long-lasting performance.
FAQs
Is this boiler suitable for my home?
Yes — the 15kW Greenstar 4000 System Boiler is perfect for **small to medium-sized homes with 1–2 bathrooms** and a hot water storage cylinder.
Can I control this boiler remotely?
Yes. This boiler is compatible with **Bosch EasyControl**, allowing remote control of your heating and hot water via smartphone or tablet.
What is the warranty period?
This boiler comes with a **7-year warranty**, providing reliable long-term protection when installed by a Worcester Bosch Accredited Installer.
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