Worcester Greenstar 4000 12kW System Boiler
The Worcester Greenstar 4000 12kW System Boiler is a compact, highly efficient heating solution designed for small to medium-sized homes with one bathroom. As the direct upgrade to the Greenstar 12Ri, it combines modern design, quiet operation, and user-friendly controls, making it ideal for homes where space and convenience are priorities.
Efficient Heating for Small Homes
With a heat output of 12kW and an ErP A rating, this boiler delivers reliable heating and hot water while helping to lower energy bills. Its wide modulation range allows the boiler to operate efficiently at lower demands, ensuring comfort without wasting fuel.
User-Friendly Design
The Greenstar 4000 features a full-colour text display for simple operation and intuitive control. It is also wirelessly compatible with Bosch EasyControl, allowing you to manage your heating and hot water from anywhere. Compact dimensions make it easy to fit in tight spaces without compromising performance.
Quiet and Sustainable
This system boiler is one of Worcester’s quietest, making it ideal for installation in living areas. It is also compatible with Greenskies solar panels, allowing homeowners to save on energy costs while reducing their environmental footprint.
Technical Specifications
- **Brand:** Worcester Bosch - **Model:** Greenstar 4000 12kW System - **Boiler Type:** System Boiler, Wall-mounted - **Heat Output:** 12 kW - **Fuel Type:** Natural Gas - **Colour:** White - **Dimensions:** 724 x 400 x 310 mm (HxWxD) - **Weight:** 30.6 kg - **ErP Rating:** A - **Warranty:** 7 years
Key Features
- Wide modulation range for lower energy consumption - Full-colour text display for easy operation - Extremely quiet system boiler - Compatible with Bosch EasyControl for wireless operation - Suitable for systems with hot water storage cylinders - Compatible with Greenskies solar panels for energy savings
Frequently Asked Questions
Is this boiler suitable for small homes?
Yes, with a **12kW output**, it is ideal for homes with one bathroom and moderate heating demands.
Can I control the boiler remotely?
Yes, it is compatible with **Bosch EasyControl**, allowing remote management via smartphone or tablet.
Is it energy-efficient?
Absolutely. With an **ErP A rating** and a wide power range, it is designed to optimize fuel use and lower energy bills.
Is it quiet?
Yes, it is one of Worcester’s quietest system boilers, making it unobtrusive in living areas.
Can it work with solar panels?
Yes, it is compatible with **Greenskies solar panels** for additional energy savings.
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