Worcester Greenstar 4000 30kW Combi Boiler
The Worcester Greenstar 4000 30kW Combi Boiler is a high-efficiency, compact heating solution designed for small to medium-sized homes with one bathroom. As the direct upgrade to the Greenstar 30i, this model features a modern design, intuitive full-colour text display, and exceptionally quiet operation, making it a perfect choice for contemporary households.
Delivering instant hot water and reliable central heating, the Greenstar 4000 combines efficiency, convenience, and smart technology in one compact unit.
Efficient Heating and Water Performance
The Greenstar 4000 30kW Combi is ErP A-rated for both heating and hot water, ensuring maximum energy efficiency. Its wide power range optimises gas usage and helps lower energy bills. The innovative 'Quick Tap' water-saving function reduces water waste, while the boiler performs exceptionally well in low water pressure areas, guaranteeing strong and comfortable showers.
Quiet and User-Friendly
Operating at one of the quietest levels in its class, the Greenstar 4000 is designed to blend seamlessly into your home environment. The full-colour text display makes operation simple and intuitive, while wireless connectivity with Bosch EasyControl provides the ability to manage your heating and hot water remotely for added convenience.
Key Features & Benefits
Heat output: 30kW – suitable for small to medium homes with 1 bathroom
Flow rate: 12.3 L/min – ensures consistent hot water
ErP A-rated efficiency – reduces gas consumption and lowers energy bills
Quick Tap water-saving function – helps save water
Full-colour display – easy to use and monitor
Quiet operation – comfortable for living areas
Wireless connectivity – compatible with Bosch EasyControl for smart home integration
Compact wall-mounted design – ideal for kitchens, utility rooms, or cupboards
7-year warranty – provides peace of mind
Technical Specifications
Brand: Worcester Bosch
Model: Greenstar 4000 30kW Combi
Boiler Type: Combi Boiler
Fuel Type: Natural Gas
Heat Output: 30kW
Flow Rate: 12.3 L/min
Mounting: Wall-mounted
Dimensions (HxWxD): 724 x 400 x 310mm
Weight: 32.3kg
Colour: White
ErP Rating: A
EAN: 4057749856623
MPN: 7733600373
Product Code: PN183933
Warranty: 7 years
Why Choose the Worcester Greenstar 4000 30kW?
The Greenstar 4000 30kW Combi Boiler offers a perfect balance of performance, efficiency, and quiet operation. Its compact design and smart technology make it ideal for modern homes where space and convenience matter. With instant hot water, smart control options, and energy-saving features, it provides both comfort and peace of mind backed by Worcester Bosch’s 7-year warranty.
FAQs
Is this boiler suitable for my home?
Yes – the Greenstar 4000 30kW Combi is ideal for **small to medium homes with one bathroom**, providing reliable heating and hot water.
Can I control this boiler remotely?
Yes. It is compatible with **Bosch EasyControl**, allowing remote operation of heating and hot water via smartphone or tablet.
How efficient is the Greenstar 4000 30kW Combi?
This boiler is **ErP A-rated** with a wide modulation range, ensuring maximum energy efficiency and helping to reduce gas consumption.
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