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✓ One Fixed Price  ✓  No Upfront Payments  ✓  Gas Safe Approved  ✓ 10 Year Warranty on Boilers  ✓ Next Day installation  ✓ No-Sub Contractors  ✓ Price Match Guarantee 

Worcester Bosch Greenstar 4000 24kW System Boiler

The Greenstar 4000 has a wide power range to meet all of your heating and hot water needs, and its quiet too.

Getting Fixed Price Never Been So Easy

To view your fixed pricing, simply click the “My Fixed Price” button and enter first part of your area post code.

Boiler Overview

Choose Your 4000 24kW Boiler Replacement Option To Get An Instant Fixed Price Quote

Your Best Boiler at price that's right for your wallet

Boiler Replacement with
Horizontal Flue

Boiler Replacement with
Vertical Flue

Some Answers You Might Be Looking For?

The fixed price you’ll see is for a boiler swap at the same location. For instance, if your old combi boiler is in your kitchen and meets current regulations, we will replace it with a new combi boiler and reconnect the existing pipework

Following is a list of what’s included in your Fixed price. 

 Boiler Replacement with Std Horizontal Flue:

It consists of your new boiler and a Standard horizontal flue terminal.

● Boiler Replacement with Vertical Flue:

It consists of your new boiler, a vertical flue terminal, Flue extensions, Flue adaptor, flue bends, clamps and roof flashing.

● In Addition, Both Prices Include:

A Wireless Programmer, A System Magnetic Filter,10 Years Warranty On Parts & Labour, A Gas-Safe Certificate, A Building Regs Certificate, Complete System chemical flush, Recycling of old boiler, Chemical solution addition (inhibitor) to prevent breakdowns and keep new boiler working efficiently and effectively, reconnection of existing pipework and making good on completion

A flue is like a chimney. It’s a pipe that takes waste from your boiler and carries it outside. The flue exit looks a bit like an exhaust pipe, either on the wall or on the roof.

Horizontal and vertical are the two types of flues available. 

Simply put, A Gas-safe registered engineer. We do not use Sub-contractors, they are our own fitters.

In order to fit new boilers for DG Heating, each and every engineer has to go through a tough onboarding process which checks their background, technical abilities, and qualifications.

Yes – you are.

You’ll get our exclusive 12 month workmanship warranty, as well as your new boilers own upto 10 year parts and labour warranty, and we ensure that your fixed price won’t change. As a company we are fully insured and so are our engineers.

If your requirements are different to what is included within your fixed price, please feel free to discuss this with our heating expert on 0300 303 0902 or click here to fill our form to arrange one of our heating experts to contact you.

Quick look on what our customers say about us

Why Choose Us For Your New Boiler?

Here’s how we give you more than boilers

Honest Advice

Honest Recommendations

We will never recommend anything outside the scope of your needs. Just honest recommendations and advice to serve your needs

Competitive Pricing

The boiler is the heart of your home but you are the heart of our business. By putting you first-we strive to bring the best brands with fixed & fair prices. Everything is included, we don't bloat prices with gimmicks.

beat any like-for-like price

If you find the same fixed price boiler installation somewhere else, DG will beat the like-for-like price by £50 and if we can't, we'll better the material or services at the same price rather than offering you gift vouchers.

Pay on Completion

Unlike other online companies, we'll not require you to pay the entire cost up front. You can reserve your boiler installation with a small deposit and pay remaining balance on completion, once we've met your expectations. The deposit is fully refundable.

Gas Safe approved engineers

Every DG engineer is a Gas Safe registered installer, with plenty of experience fitting boilers. They make sure you get familiar with the new system and your home is nice and tidy before they leave.

Up to 10 year Boiler warranty

If something goes wrong, it’s good to know that you’re covered and that you can get an engineer out to fix the problem as soon as possible, without leaving you out of pocket.

Quality Checks

Whilst you enjoy the comforts of your new boiler our team audits the engineer’s full report with images submitted for quality checks. We do it to make sure our good quality promise is delivered and followed up by a call to confirm your satisfaction.

Super After Care

After completion It's not the end, we stay together & keep on assisting you with the annual boiler service or any tech helps you need. For anything else, we are just one call away.

We only offer what we can deliver

Ready To See Your New Boiler's Genuine and Fixed price?