🕑 5 minutes read

Founded 140 years ago, Vaillant is now one of Europe's largest boiler manufacturers. They provide a range of gas boilers to meet the requirements of UK homes of all shapes and sizes, from spacious houses to those with limited space.

Their boilers feature EcoTec and EcoFit technology, ensuring reliable, powerful, and efficient heating performance. Are you considering buying one? Here's a detailed look at the Vaillant EcoFIT Pure 825 Combi Gas Boiler.

Why Choose the Vaillant EcoFIT Pure 825?

Space-Saving Design

The Vaillant EcoFIT Pure 825 is a cost-effective, compact unit that saves space. It is perfect for houses with high hot water demand since it leverages the main water supply to provide rapid hot water. Unlike regular boilers, it helps prevent pressure drops.

Flow Rate & Output

The EcoFIT Pure 825 has a central heating output of 19.1kW and a domestic hot water (DHW) output of 25.2kW. It is appropriate for larger houses since it can generate more than 8 litres of hot water per minute with more than one bathroom and high hot water demand.

For an optimal experience, you can run a bath and two showers simultaneously.

Easy Controls Control-board-of-Vaillant-ecoFIT-Pure-825-boiler

This boiler features a straightforward control panel with options ranging from mechanical to smart controls. With intelligent thermostats, you can manage hot water from your smartphone, schedule heating, monitor energy use, and switch heating on or off remotely.

Compact Size

The EcoFIT Pure 825's compact dimensions (720mm x 440mm x 335mm) make it a perfect fit for medium storage and installation spaces. It doesn't require a storage tank or hot water cylinder, making it a streamlined option for your home.

Energy Efficiency

With an ErP (Energy Related Products) rating of 89.3%, the Vaillant EcoFIT Pure 825 is highly efficient. It saves your energy costs and reduces carbon emissions. Vaillant boilers are known for their high performance and efficiency, consistently passing the ErP directive test.


Vaillant offers a standard five-year warranty on their boilers, which can be extended to 7-10 years if installed by a Vaillant accredited installer. This extended warranty provides peace of mind and long-term reliability.

Serviceteam is an accredited Vaillant installer in London, offering professional boiler installation services in London and surrounding areas.

How Many Radiators Can the ecoFIT Pure 825 Support?

The EcoFIT Pure 825 is ideal for smaller homes with 10-15 radiators and one bathroom.

If you need more central heating and hot water, consider the EcoFIT Pure 830 or EcoFIT Pure 835 models. Use our free boiler comparison tool to find the best boiler for your needs.

The EcoFIT Pure series includes combi, system, and regular boilers, catering to different home heating and hot water demands. These are also highly efficient condensing boilers.

What is the Cost of Vaillant ecoFIT Pure 825?

The Vaillant EcoFIT Pure 825, including installation and fittings, costs between £ 1,700 and £2,200. Comparing offers from multiple heating engineers can help you get the best possible price. Our quote comparison service is free, fast, and reliable, providing you with up to three quotes from local heating companies.

Does the Vaillant ecoFIT Pure 825 Have High Customer Satisfaction?


Vaillant enjoys high customer satisfaction and boasts impressive reviews on Trustpilot. Customers consistently praise Vaillant boilers for their reliability, performance, and efficiency. Many users highlight the peace of mind they experience knowing their Vaillant boiler will provide consistent heating and hot water without frequent issues or breakdowns.

This positive feedback reflects Vaillant's commitment to quality and customer service, making it a trusted choice in the boiler industry.

Awards and Accreditations

Vaillant, a trusted name in the heating industry for over 140 years, is one of the oldest and largest boiler manufacturers in Europe. Its emphasis on innovation and quality has earned it several awards and a devoted consumer base.

Several of their boilers have been recognized for exceptional soundproofing, earning the prestigious Quiet Mark Accreditation from the Noise Abatement Society.

This award highlights Vaillant's dedication to producing not only efficient but also quiet and unobtrusive heating solutions. Customer reviews consistently praise Vaillant boilers for their reliability, performance, and advanced features, making them a top choice for homeowners seeking peace of mind and high-quality heating solutions.

The Vaillant EcoFIT Pure 825 Combi Gas Boiler is a reliable, efficient, and space-saving option for smaller homes. With its high output, easy controls, and compact size, it's an excellent choice for those needing a dependable and efficient heating solution.

With competitive pricing, extended warranty options, and high customer satisfaction, the EcoFIT Pure 825 is a smart investment for your home.

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Boiler Services in London by Serviceteam

At Serviceteam, we offer a wide range of boiler services in London, including professional boiler installation, replacement, and more. Our goal is to deliver excellence and professionalism in every service we provide, such as:

… and much more.

We provide competitive prices for boiler installations and property maintenance services in London. With over decades of experience, our professional boiler engineers have the experience and knowledge to handle your boiler installation with care.

We take pride in our customer retention rate and have received more positive reviews on Checkatrade, Trustpilot, and Which? Trusted Trader. At serviceteam, our expertise covers installing gas, combi, smart, and electric boilers.

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