Worcester Greenstar 4000 30kW Overview

The Worcester Greenstar 4000 30kW builds upon the proven features of the Greenstar i series while introducing significant advancements in appearance, performance, and installer convenience.

Specifically designed for 30kW output, this model offers enhanced installation speed, commissioning efficiency, and servicing convenience, along with notable improvements in efficiency and control.

Drawing inspiration from Worcester’s top-tier 8000 Style and informed by installer insights. In this overview from Boiler Central, find out how the Greenstar 4000 delivers real advances in siting flexibility, transforming the nation’s favourite boiler into an even more impressive heating solution.

Standard Guarantee

• 7-Year Guarantee: Included with any Greenstar System Filter
• 8-Year Guarantee: Available with any Greenstar System Filter for an additional £40 (Non-WAI Excelerate members only)*
• 10-Year Guarantee: Exclusive to Excelerate members, or available to Non-WAI’s with an extra payment of £40. Terms and conditions apply.

Features & Benefits

100% Planet-Friendly Packaging

 Demonstrating Worcester’s commitment to sustainability, the Greenstar 4000 comes in environmentally conscious packaging

Front Access to Key Components

 Simplifying maintenance and servicing, all key components are readily accessible from the front of the boiler.

Longer Flue Lengths

 The boiler accommodates flue lengths up to 12m (60/100), providing greater installation flexibility

Intuitive Full-Color Long-Text Display

Users benefit from an easy-to-navigate display, offering comprehensive information and control options.

500ml Condensate Syphon

 Ensures efficient condensate disposal, enhancing the overall performance of the system.

Quiet Operation 

Operating at a mere 45dB(A), the Greenstar 4000 provides quiet and unobtrusive heating.

Compatible with Greenstar Intelligent Filling System 

Seamlessly integrates with Worcester’s intelligent filling system for optimised performance.

Modulation Down to 3kW Central Heating Output (1:10) 

Allows for precise control and energy-efficient operation, ensuring optimal comfort and savings.

Increased DHW Efficiency

 The boiler improves DHW efficiency while minimising waste water, promoting eco-friendly practices.

Is the 30Kw Greenstar 4000 suited for me?

It is all dependant on the demand for heating in your home, if you have a smaller property, with less radiators then the Greenstar 4000 25Kw may be more suited for you.

Is the Worcester Greenstar efficient

When thinking about getting a new boiler replacement, but you want to purchase an energy efficient boiler, the Greenstar 4000 is engineered to extract as much heat as possible from the combustion process, ensuring minimal energy wastage.

Full Flow Rates from 1 Bar Mains Pressure

Ensures consistent and reliable hot water supply even under varying pressure conditions.

The Worcester Greenstar 4000 30kW combines innovation, sustainability, and user-friendly design to provide a superior heating solution for modern homes. With its advanced features and extended guarantee options, it offers peace of mind and performance excellence to homeowners and installers alike.