Vaillant ecoFIT Pure 825 25kW Combi Boiler with Horizontal Flue
The Vaillant ecoFIT Pure 825 25kW Combi Boiler is a compact, wall-mounted gas boiler designed to provide efficient central heating and on-demand hot water for small-to-medium domestic properties. With its slimline casing measuring 390 × 295 × 700mm, it is well suited to installations where space is limited, including suitable kitchen cupboards and utility rooms.
With an A-rated energy efficiency classification and a combi boiler design, the ecoFIT Pure 825 supplies heating and hot water without requiring a separate hot water storage cylinder. Its 25kW output makes it a practical option for smaller homes, flats and boiler replacement projects where compact dimensions and everyday heating performance are important.
This boiler is supplied with a horizontal flue and is designed for use with natural gas. A magnetic boiler filter is not included in this product configuration, although a compatible filter may be recommended to help protect the heating system from circulating debris. The stated warranty is 2 years, subject to the manufacturer's terms.
25kW Heat Output
A-Rated Efficiency
Compact Combi Boiler
Horizontal Flue Included
Key Features
1. 25kW Heating Output
Provides a 25kW output for domestic heating applications, making it a potential choice for smaller homes and flats, subject to a suitable heating and hot-water demand assessment.
2. A-Rated Energy Efficiency
The A-rated energy classification supports efficient domestic heating and hot-water provision.
3. Combi Boiler Convenience
Combines central heating and on-demand hot water in one unit, without the need for a separate hot-water storage cylinder.
4. Space-Saving Dimensions
The 390 × 295 × 700mm casing offers a compact footprint for suitable cupboard, kitchen or utility-room installations.
5. Horizontal Flue Supplied
Includes a horizontal flue to support an appropriate installation. The installer must confirm the flue route, clearances and suitability for the property.
6. Natural Gas Operation
Designed for natural gas domestic heating systems. The supplied product information states that this model is not ready for 20% hydrogen.
Technical Specifications
| Brand |
Vaillant |
| Model |
ecoFIT Pure 825 |
| Product Type |
Combi Boiler |
| Heat Output |
25kW |
| Fuel Type |
Natural Gas |
| Energy Efficiency Rating |
A |
| ErP Hot Water Rating |
A |
| Dimensions (W × D × H) |
390 × 295 × 700mm |
| Colour |
White |
| Mounting Type |
Wall-Mounted |
| Flue Type Supplied |
Horizontal Flue |
| Magnetic Filter Included |
No |
| 20% Hydrogen Ready |
No, according to supplied specifications |
| Application |
Domestic |
| Warranty |
2 Years |
Recommended Applications
- One- and two-bedroom flats or houses with a suitable heating and hot-water demand.
- Replacement boiler projects where installation space is limited.
- Suitable kitchen cupboards and utility-room installations, subject to required clearances.
- Domestic properties requiring central heating and instant hot water without a separate cylinder.
Frequently Asked Questions
Is the Vaillant ecoFIT Pure 825 suitable for a small home?
It may suit smaller homes and flats, but the correct boiler depends on the property's heat loss, hot-water demand and existing heating system. A qualified installer should assess suitability.
Does this boiler come with a horizontal flue?
Yes. The product specification states that a horizontal flue is supplied.
Is a magnetic filter included?
No. A magnetic filter is not included with this product configuration. Check compatibility with the installer if you wish to add one.
Does the ecoFIT Pure 825 need a hot-water cylinder?
No separate hot-water storage cylinder is required for its standard combi-boiler operation.
What warranty is supplied?
The supplied product details state a 2-year warranty. Check the manufacturer's current terms and registration requirements for full conditions.
Order the Vaillant ecoFIT Pure 825 from GetPlumb
Shop the Vaillant ecoFIT Pure 825 25kW Combi Boiler with Horizontal Flue at GetPlumb for a compact domestic heating solution. Confirm installation requirements and system compatibility with a qualified heating professional before ordering.