Skip to product information

MPN: 7733600382

Worcester Greenstar 4000 18kW LPG System

Worcester Greenstar 4000 18kW LPG System


Regular price £1,377.72 Excl. VAT
£1,653.26 Incl. VAT
Sale price £1,377.72 Excl. VAT
£1,653.26 Incl. VAT
Regular price
Want it processed today? Order within:

Safe & Secure Payments

Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Product Information

Worcester Greenstar 4000 18kW LPG System Boiler

The Worcester Greenstar 4000 18kW System Boiler is a modern, efficient heating solution designed for small to medium-sized homes with one bathroom. As a direct upgrade to the Greenstar 18Ri, it delivers reliable central heating and hot water while keeping running costs low. Its sleek, contemporary design and full-colour display make it easy to operate, while its quiet operation ensures minimal disruption in your home.

Efficient Heating with Modern Features

The Greenstar 4000 combines a wide power range with exceptional efficiency, helping to reduce gas consumption and lower energy bills. Its wall-mounted design is suitable for homes with a hot water storage cylinder and can also be paired with Greenskies solar panels for further energy savings. The boiler’s quiet operation makes it unobtrusive, and wireless connectivity with Bosch EasyControl allows you to manage your heating conveniently from your smartphone. With an ErP rating of A, it’s both environmentally friendly and cost-effective.

Practical and User-Friendly

This 18kW system boiler is designed to fit seamlessly into your home, with compact dimensions (724mm H x 400mm W x 310mm D) and a lightweight frame of 30.6 kg. The full-colour text display makes adjusting settings simple, while built-in controls allow you to fine-tune your heating and hot water with ease.

Technical Specifications

- **Brand:** Worcester Bosch - **Model:** Greenstar 4000 18kW LPG System - **Fuel Type:** Natural Gas / LPG Compatible - **Boiler Type:** System Boiler - **Heat Output:** 18 kW - **Efficiency:** ErP A-rated - **Mounting Type:** Wall-mounted - **Dimensions:** 724mm H x 400mm W x 310mm D - **Weight:** 30.6 kg - **Warranty:** 7 years - **EAN:** 4057749856708 - **MPN/Product Code:** 7733600381 / PN183938

Frequently Asked Questions

Is the Greenstar 4000 suitable for small homes?

Yes, with an 18kW output, it’s ideal for small to medium-sized homes with one bathroom, providing efficient heating and hot water.

Can it work with solar panels?

Yes, it can be used with **Greenskies solar panels** to help save energy and reduce household bills.

Does it have smart control options?

Yes, the boiler features wireless connectivity with **Bosch EasyControl**, allowing you to control your heating conveniently from your smartphone.

How long is the warranty?

The Greenstar 4000 comes with a **7-year guarantee**, providing peace of mind and long-term reliability when installed by a certified installer.

Check out our full range of plumbing supplies.

Browse more boilers available online.

Documentation

Worcester Greenstar 4000 18kW LPG System

£1,377.72

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.