Vaillant ecoFIT sustain 825 25kw Combi Boiler Only 0010020392
Vaillant ecoFIT Sustain 825 Combi Boiler – High-Efficiency Heating for New Builds & Developments
The Vaillant ecoFIT Sustain 825 Combi Boiler (0010020392) is a compact, high-efficiency boiler designed for new-builds, social housing, and rental properties. With a 25kW output, it provides on-demand heating and hot water, making it a cost-effective and energy-efficient solution for small to medium-sized homes.
Built with Vaillant’s advanced engineering, the ecoFIT Sustain range features an automotive-grade aluminium heat exchanger, ensuring durability, efficiency, and easy maintenance. With a 1:5 modulation ratio, it adapts to heating demand, optimizing energy use while reducing running costs.
This combi boiler eliminates the need for a separate hot water cylinder, saving space while providing a continuous supply of hot water. Its flexible installation options, including rear and top flue outlets, allow for versatile placement within a property.
Key Features of the ecoFIT Sustain 825
- High-efficiency aluminium heat exchanger – Lightweight, durable, and highly conductive.
- 1:5 modulation ratio – Adjusts output to match demand, improving efficiency.
- Flexible flue installation – Supports both rear and top flue exits.
- Compact cupboard-fit design – Ideal for properties where space is limited.
- Built-in two-stage frost protection – Ensures performance in colder months.
- Low NOx emissions – Environmentally friendly and compliant with regulations.
- Compatible with Vaillant’s vSMART™ control – For remote heating management via an app.
- QuietMark™ certified – Operates with minimal noise, ideal for residential installations.
Product Specifications
| Feature | Details |
|---|---|
| Product Code | 0010020392 |
| EAN (Barcode) | 4024074778920 |
| Brand | Vaillant |
| Type | Combi Boiler |
| Output | 25kW (Heating & Hot Water) |
| Fuel Type | Natural Gas |
| Efficiency Rating | ErP A-Rated (93% Efficiency) |
| Modulation Ratio | 1:5 for optimized energy performance |
| Hot Water Flow Rate | 10.4 L/min at ΔT 35°C |
| Noise Level | 49 dB(A) QuietMark Certified |
| Flue Options | Rear & Top |
| Maximum Flue Length | **60/100mm: 10m |
| Dimensions (HxWxD) | 702mm x 390mm x 295mm |
| Weight (Dry) | 32kg |
| Warranty | 2 years |
Why Choose the Vaillant ecoFIT Sustain 825?
- Reliable 25kW Output – Ideal for small to medium-sized homes.
- Space-Saving Combi Design – Provides both heating and hot water without a cylinder.
- Flexible Installation Options – Rear and top flue exit choices for ease of fitting.
- High-Efficiency Performance – ErP A-rated with up to 93% energy efficiency.
- Environmentally Friendly – Low NOx emissions, meeting modern regulations.
- 2-Year Warranty – Designed for new-builds and rental properties, ensuring cost-effective maintenance.
The Vaillant ecoFIT Sustain 825 Combi Boiler is an ideal heating solution for developers, landlords, and housing associations, offering efficient heating, flexible installation, and low running costs.
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