Vaillant Boiler Prices in 2026

Introduction

Do you want to find out how much Vaillant boilers cost and where you can find them?

Deciding which Vaillant boiler to buy might be stressful, especially with the many models available and different pricing and power outputs.

In this guide, you’ll find out everything you need to know about Vaillant boiler prices and some of the suppliers you could consider.

Who is Vaillant?

The Vaillant Group operates in 20 countries and has over 140 years of experience in the industry. The company designs and manufactures heating products and accessories.

They also specialise in making boilers and heating systems geared towards renewable energy, such as solar and thermal energies.

These systems can help properties become more eco-friendly and energy-efficient, with options available for both domestic and commercial needs.

Vaillant Combination Boiler Prices

Combination boilers are some of the most popular types on the market today, because they are compact, easy to install and don’t require room for a cold water tank or hot water cylinder.

These boilers take water from your mains, heats it, and delivers it directly to your taps or central heating system. As such, they can offer an affordable all-in-one device, which can typically fit within your kitchen cupboard or utility room.

Vaillant combination boilers have lower running costs, affordable initial purchase prices, and high water flow rates.

Let’s take a look at some of the prices you can expect.

Vaillant System Boiler Prices

System boilers take water from your mains, which is why they won’t require a cold water tank. However, they do need a hot water cylinder.

One of the main benefits of a system boiler is that you can use hot water in multiple locations (e.g., your bathroom and kitchen at the same time).

However, one of the disadvantages is that once your hot water runs out, you will need to wait for more to be heated up.

Vaillant’s system boilers have various power outputs, suitable for one-bedroom flats and larger homes, too.

This boiler type might be a good fit for medium to large homes with more hot water requirements.

Vaillant Heat-Only Boiler Prices

Regular or conventional boilers, unlike combination boilers, require both a cold water tank and a hot water cylinder to store water for taps and central heating systems.

This boiler type might be best suited to large homes that require a lot of water and high water pressure in several locations at the same time.

Vaillant’s regular boilers come in various power output and prices, often costing less than their other boiler types. However, you will have to consider the cost for a cold water tank and hot water cylinder, too.

Here are some of the typical costs that you can expect from Vaillant.

FAQ

What boilers does Vaillant offer?

Vaillant boilers come in various styles, such as combination, system, and regular boilers. They can also be powered by natural gas or LPG.

Once you have chosen which system will work best in your home, you can take a look at some of the power outputs available. These could range from a low 12kW suitable for a one-bedroom flat to a 42kW output suited to four- or five-bedroom homes with two bathrooms.

You might also want to consider the efficiency percentage and the water flow rate, which indicates how much water it can give you per minute.

All of Vaillant’s boilers are made with high-quality materials, engineered by professionals, and available from many suppliers.

What are the benefits of Vaillant boilers?

Here are some of the advantages of owning a Vaillant boiler:

✔ Wide range of boiler models available

• ✔ Low upfront and running costs
• ✔ A choice between combi, regular, and system boilers
• ✔ Made from high-quality materials
• ✔ Boilers with power outputs available for every size
• ✔ Low energy consumption and eco-friendly
• ✔ Typically quick installation times
• ✔ Specialises in renewable energy and integration
• ✔ Reduced energy bills

What other products does Vaillant provide?

Here are some of the boiler products and accessories that Vaillant also manufactures:

• Domestic hot water cylinders
• Air source pumps
• Ground source pumps
• Water source pumps
• Solar thermal sources
• Heating control accessories
• Room thermostats
• Smart thermostatic radiator valve
• Heating control application

How much does a Vaillant boiler cost on average?

Here are the costs you can expect for your Vaillant boilers.

Combination Boiler

£850 – £1,920

System Boiler

£894 – £2,700

Regular Boiler

£792 – £1,533

What is the cheapest Vaillant boiler?

The Vaillant ecoFIT 412 Heat Only Boiler is one of the lowest-priced models at £1,030.

How long does a Vaillant boiler last?

A Vaillant boiler could last as long as 15 years, but you will need to keep it regularly maintained and serviced.

An annual service will check for any corrosion, leaks, or lower pressure, which will analyse the efficiency of your boiler and its components.

Sometimes, this will also include any parts repairs or replacement.

Can I get a warranty with my Vaillant boiler?

Typically, a Vaillant boiler will come with a warranty of 2-5 years, but they can be extended to 7-10 years when you register your products.

How can I get in touch with Vaillant?

Below are some of the important contact information for Vaillant services:

• Call 0345 602 2922 for general enquiries
• Call 0345 602 2922 for sales
• Call 0344 736 0049 for technical support
• Or, you can fill out this form

Conclusion

Vaillant offers many boiler models, which range in both power outputs and pricing. There are also many suppliers that can help you to find the right fit for your home.

Do you want a custom quote for your boiler needs in minutes?

Fill out the form you can find at the top of the page, or take a look at the guides on this site.