Worcester Greenstar 4000 15KW LPG System Boiler

Worcester Greenstar 4000 15kW LPG System Boiler

The Worcester Greenstar 4000 15KW LPG System Boiler is a practical choice for customers comparing system boilers, offering dependable heating performance for off-grid homes using LPG. 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 LPG System Boiler is an excellent heating solution for medium to large-sized homes, especially where an LPG supply is required. Designed to work alongside a stored hot water cylinder, it provides reliable heating and consistent hot water performance throughout the home. Thanks to its compact and lightweight construction, the boiler can be installed with ease, even in tighter spaces. It also includes a built-in pump and expansion vessel, helping to simplify installation and reduce setup time. With compatibility across a wide selection of optional controls, homeowners can tailor their heating system for improved efficiency, comfort, and energy savings.

Key Features

• LPG model designed for homes without mains gas
• Compact, space-saving design
• Built-in pump and expansion vessel
• Optional plug-in diverter valve
• Wide range of compatible heating controls

Technical Specifications

• Manufacturer: Worcester Bosch
• Model: 4000
• MPN: 7733600380
• SKU: 79143
• GTIN: 4057749856692
• Performance:
• CH Output: 15kW
• CH Output (BTU): 51,000
• ErP Heating Rating: A Rated
• Dimensions:
• Height: 724mm
• Width: 400mm
• Depth: 310mm
• Weight:
• Gross: 33.2kg
• Warranty:
• 7 Years (Subject to manufacturer's T&Cs)

FAQs

Is the 15kW model suitable for my home?

The 15kW output is ideal for medium to large homes , particularly those with a stored hot water cylinder and moderate to high heating demands.

Does this LPG system boiler need a hot water cylinder?

Yes. As a system boiler, it works in combination with a hot water cylinder , providing reliable hot water storage and delivery.

Can I use smart controls with this boiler?

Absolutely - the Greenstar 4000 range supports a variety of optional smart and traditional heating controls , helping you improve efficiency and convenience.

Check out our full range of plumbing supplies.

Browse more boilers available online.

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

• Competitive prices on leading brands and quality products.
• Nationwide delivery across the UK
  
• A constantly expanding range of building and landscaping materials.
  
• Friendly, knowledgeable customer support.
  
• A trusted business backed by the JJ Roofing Supplies Group.
  

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Roof Tiles & Fittings:

We recommend ordering an additional 10% of roof tiles to allow for any breakages that may occur during delivery or handling. Roof tiles are naturally fragile, and having a few extra on site helps prevent delays and ensures your roofing project can be completed without interruption.