Vaillant ecoTEC Plus 825 Combi Boiler 25kW (0010021823) – Energy Efficient Heating

Vaillant ecoTEC plus 825 25kW Combi Boiler Only – Model 0010021823

The Vaillant ecoTEC plus 825 is a compact and efficient combi boiler designed to deliver consistent heating and hot water for smaller homes. Offering advanced performance and energy efficiency in a space-saving design, it’s ideal for 1–2 bedroom properties with one bathroom and moderate hot water needs.

Key Features

• 25kW Output: Perfectly suited for small homes, apartments, or flats with average heating and hot water demand.

• Combi Design: Provides instantaneous hot water directly from the mains—no need for storage cylinders or water tanks.

• ErP A-Rated Efficiency: Achieves up to 94% efficiency, reducing energy consumption and lowering utility bills.

• Quiet Operation: Quiet Mark certified for low noise levels, making it suitable for installation in living spaces or kitchen cupboards.

• Stainless Steel Heat Exchanger: Ensures durability, long-lasting performance, and minimal maintenance.

• Compact Size: 720mm (H) x 440mm (W) x 338mm (D) – easy to install in tight spaces or cupboards.

• Hydrogen Ready (20%): Built to support a 20% hydrogen blend, helping to future-proof your heating system.

• Smart Control Compatible: Works seamlessly with Vaillant’s vSMART and myVAILLANT intelligent control systems.

• LCD Display with Touch Controls: User-friendly interface for easy operation and fault diagnostics.

Performance Highlights

• Central Heating Output: 19.1 kW

• Hot Water Output: 25.4 kW

• Domestic Hot Water Flow Rate: Up to 10.4 litres per minute

• NOx Class 6: Environmentally responsible with low NOx emissions

• Warranty: 5-year standard warranty, extendable up to 10 years with a Vaillant Advance installer

Who It’s For

The ecoTEC plus 825 is an excellent choice for small households or apartments that require an efficient, compact, and reliable combi boiler. Its quiet operation and modern controls make it ideal for urban living environments.

How to Use

• Installation: Must be carried out by a Gas Safe registered engineer.

• Operation: Simple LCD interface with touch controls for temperature adjustment and monitoring.

• Maintenance: Designed for easy servicing to ensure consistent performance and long-term reliability.

Why Choose the Vaillant ecoTEC plus 825?

• Space-Saving Design: Compact enough to fit in kitchen cupboards or utility areas.

• Efficient Performance: Keeps energy use low while maintaining home comfort.

• Smart Control Options: Enhances user experience with app-based and programmable control.

• Trusted Brand: Backed by Vaillant’s reputation for quality, reliability, and innovation.

Conclusion

The Vaillant ecoTEC plus 825 25kW Combi Boiler offers high-efficiency heating and hot water in a compact and quiet design. It’s a smart, reliable choice for smaller homes looking to upgrade to a modern and energy-saving combi boiler solution.