Greenstar 4000 24kW System | Vertical Flue | Same Boiler Position

The Greenstar 4000 from Worcester Bosch is perfect for small to medium sized homes with one bathroom, it features a modern new design, an easy to use full colour text display and it’s quiet too.

ModelGreenstar 4000 24kW System Gas Boiler
Is CondensingYes
Efficiency Rating94%
Band RatingA Rated
LPG CompatibleAvailable soon
Standard WarrantyUp to 10 years
Central Heating Max. Output24 kW


10 Year Warranty

10 year parts & labour warranty on this boiler when you buy your new boiler from us.

Finance Available

Spread the cost of this boiler replacement with a competitive finance deal .

Fast Installation

Order today and we’ll be there in no time to replace your inefficient old boiler.

Competitive Pricing

This new boiler is recommended by ST Boiler Services and offers great features at a competitive price.

Here's What's Included in Your Boiler Package

Your Chosen Boiler

It’s not just your boiler that’s included in your price. It’s everything else too including full Gas Safe Installation.

10 Year Boiler Warranty

There’s more peace of mind here with our extended 10 Year manufacturer's warranties and guarantees . We’ll send you details of exactly how your boiler cover works upon your request.

System Filter & Clean

We’ll include a new filter with your installation which will keep your system nice and clean for the rest of its life. We’ll also carry out a comprehensive clean and flush of your system before we start.

Smart Timers and Controls

We include the latest energy saving timers and controls, all designed to comply with the latest efficiency regulations.

Pipework Installation & Upgrade

We know that a lot of boiler replacement jobs don’t go fantastically well all of the time and a lot of issues are caused by incorrect pipe sizing on your existing system. Don’t worry about this though as all our boiler replacement prices are fixed and final which means extra peace of mind for you.

Less Hassle For You

Replacing your old gas boiler is one of the most important jobs you’ll ever do around your home. That’s why we go out of our way to ensure that we minimise the time it takes to replace your old boiler and we do our absolute best to have you warm and toasty again without delay.

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Purchase Price £0.00
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4000 system boiler

Greenstar 4000 24kW System | Vertical Flue | Same Boiler Position