Worcester Greenstar 4000 15KW System Boiler

Worcester Greenstar 4000 15kW System Boiler

The Worcester Greenstar 4000 15KW System Boiler is a practical choice for customers comparing system boilers, offering dependable heating performance for homes with a separate hot water cylinder. If you are reviewing system boiler prices, this Worcester Bosch model gives you a clear option to compare by output, fuel type, controls and installation requirements before choosing the right boiler for your property. The Worcester Greenstar 4000 15kW System Boiler is a reliable and efficient choice for medium to large-sized homes, especially when paired with a stored hot water cylinder. Its compact, lightweight design makes installation straightforward, even in tighter spaces, while still delivering strong heating performance throughout the home. With built-in components such as a pump and expansion vessel, the setup is simplified for installers. The boiler also supports a wide range of optional controls, giving homeowners the flexibility to fine-tune energy usage and enhance overall comfort and efficiency.

Key Features

• Compact, space-saving design ideal for flexible installation
• Built-in pump and expansion vessel for easy setup
• Compatible with a plug-in optional diverter valve
• Works with a wide range of optional heating controls
• Designed for homes using a stored hot water cylinder

Technical Specifications

• Manufacturer: Worcester Bosch
• Model: 4000
• MPN: 7733600379
• SKU: 79142
• GTIN: 4057749856685
• Performance:
• CH Output: 15kW
• CH Output (BTU): 51,000
• ErP Heating Rating: A Rated
• Dimensions:
• Height: 724mm
• Width: 400mm
• Depth: 310mm
• Weight:
• Gross Weight: 33.2kg
• Warranty:
• 7 Years (Subject to manufacturer's T&Cs)

FAQs

Is the 15kW model suitable for my property?

Yes - the 15kW output is well suited to medium to large homes , particularly those with a hot water cylinder and moderate heating demands.

Do I need a hot water cylinder with this boiler?

Yes. As a system boiler , it works alongside a stored hot water cylinder but doesn't require a separate feed tank like a conventional boiler.

Can I use smart controls with the Greenstar 4000 range?

Absolutely. The Greenstar 4000 supports a range of optional smart and traditional controls , allowing you to improve efficiency and personalise your heating setup.

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