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Turn your guarantee up to 10

Not only do our boilers provide first-class German engineering, you can sit back and relax knowing you’ll have 10 years peace of mind.

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How can we help?

If you need to replace or repair your boiler, here are your options.

Boiler Replacement

If you need to replace your existing Vaillant boiler, here’s everything you need to know

Boiler Repair

Everything you need to get your boiler back up and running as quickly as possible.

Boiler Service and Support

Make sure your boiler is fully serviced and covered by our guarantee by picking from the following options.

Get in touch

Choose the most convenient option to let us know how we can help.

How can we help?

If you need to replace or repair your boiler, here are your options.

Boiler Replacement

If you need to replace your existing Vaillant boiler, here’s everything you need to know

Boiler Repair

Everything you need to get your boiler back up and running as quickly as possible.

Boiler Service and Support

Make sure your boiler is fully serviced and covered by our guarantee by picking from the following options.

Get in touch

Choose the most convenient option to let us know how we can help.

Boiler Replacement

If you need to replace your existing Vaillant boiler, here’s everything you need to know.

Vaillant products

Learn more about Vaillant products and features

Replacing your Boiler

Here is all you need to know about replacing your boiler

Find an installer

See the Vaillant installers in your local area.

Boiler Finder

Use our Boiler finder tool to find the right solution for you

Boiler Repair

Everything you need to get your boiler back up and running as quickly as possible

Book a repair

See our repair options

Knowledge Base

Learn more about using your Vaillant product

Find an installer

Speak to your local Vaillant installer about direct replacement

Find your Vaillant product manual

Download your Vaillant product manual

Boiler Service and Support

Make sure your boiler is fully serviced and covered by our guarantee by picking from the following options.

Book a Service

Book your annual service here

Your Vaillant Guarantee

All the information you need to make sure you’re covered

Contact us

Get in touch so we can help

Get in touch

Choose the most convenient option to let us know how we can help

Find an installer

See the Vaillant installers in your local area

Contact us

Need advice? Get in touch here.

Find out how upgrading your heating system pays off

Thinking about upgrading your heating system? Here you'll find; what to take into account when upgrading, what the advantages are and we'll also help you identify which products and which technologies suit your heating and hot water demands.

Find out more

#Comfortzone advert

Watch the #Comfortzone advert here

Get into your comfort zone

This winter our contented cosy cat is back on your TV screen! The campaign is about staying in your comfort zone for even longer with Vaillant’s 10 year guarantee. In this ‘always on’ world of pressure, noise and stress, it’s more important than ever to have a safe haven of constant, reliable comfort with peace of mind protection.

Find out more about the 10 year guarantee here.

To find your local Vaillant installer click here

New 10 year guarantee available

We’re dedicated to providing true, long-lasting comfort for all homes across the UK. That’s why we’ve turned our boiler guarantees up to 10 years on the ecoTEC plus (upto 45kW) and ecoTEC exclusive with green iQ ranges when installed with our brand new boiler protection kit.

It’s simple, all you need to do is:

Your Advance installer must then register your new boiler system through our ‘Vaillant Advance Loyalty Scheme’ to validate your free 10-year guarantee.

Find out more about our 10-year guarantee with Boiler Protection Kit here or to find your local Advance installer click here

We also offer guarantees of up to 7 years on our ecoTEC pro and ecoFIT pure ranges when installed by a Vaillant Advance Installer.

All our products at a glance

You can quickly get an overview of all Vaillant products on one page. Or see exactly what you’re looking for by setting the filters according to the energy type or technology you’re interested in.

Gas boiler range
Renewable solutions
Controls
See all Vaillant products

Save energy with Vaillant heat pumps

Vaillant heat pumps use renewable sources of energy from the air or ground outside to generate heat for your home - reducing your energy consumption and your fuel bills.

Find out more

Choose a heating system that is smart and offers a connected home

When selecting a new Vaillant heating system you can include a smart internet connected control – our vSMART™. This means you can control your heating and hot water wherever you are and it will help reduce energy bills further. You can even ask Alexa to change your heating settings – how smart is that!

Find out more about connected homes and smart technology

How to buy

Choosing the right heating system for your home

1. Find your boiler

There are several types of boilers available and deciding what's right for you can sometimes be a little daunting.

That’s why we’ve created a simple to use boiler finder tool that helps ease the process.

The Boiler Finder tool will help you to find the perfect heating solution.

2. Get a free quote

Find your local Gas Safe registered Vaillant Advance installers and they'll be able to share a no obligation, free of charge quotation with you on request.

Find an installer

3. Register your guarantee

Once your boiler has been installed, register the guarantee online - or your installer can do it for you.

It’s important to get your boiler serviced annually to help maintain it and save you money in the long-run.

Ask your installer or

register your guarantee online.

Please be aware that in order for your guarantee to remain valid, you must have your boiler serviced annually. For more information on annual boiler servicing, click here.

Manuals & instructions

Find and download the manual for your Vaillant product.

Manual and download section

Help & service

We're here to help you. Choose the option that's best for you.

Find a local installer

Contact Vaillant

Register your guarantee