If you’re considering the Vaillant ecoTEC Plus 826, you’re likely looking for a reliable, energy-efficient combi boiler for a small to medium-sized home. With Vaillant’s solid reputation and the ecoTEC Plus range known for performance and reliability, the 826 is a popular choice – but is it the right one for you?
In this review, we’ll break down its features, pros and cons, efficiency, suitability, and how it compares to other options on the market.
| Feature | Details |
|---|---|
| Boiler Type | Combi |
| Output (DHW) | 26 kW |
| Flow Rate | 10.5 litres/min |
| Dimensions (H x W x D) | 720mm x 440mm x 338mm |
| ErP Efficiency Rating | 94% (A-rated) |
| Warranty | Up to 10 years (with Vaillant Advance installer) |
| Best Suited For | 1-2 bedroom homes / 1 bathroom |
Compact wall-mounted design – Suitable for smaller properties.
This boiler is best suited for:
If you have a larger home or higher hot water demand, you’ll likely need a model with a higher DHW output.
| Pros | Cons |
|---|---|
| Highly efficient (94% ErP) | Not suitable for homes with two bathrooms |
| Wall-mounted, space-saving design | Premium pricing compared to budget brands |
| Compatible with smart controls | May require system flush during upgrade |
| Very quiet during operation | Flow rate slightly lower than other 30kW+ models |
Here’s what you can expect to pay for the Vaillant Ecotec Plus 826:
Tip: Book your install with a Vaillant Advance Installer like Master Gas London to access extended warranties of up to 10 years.
| Model | DHW Output | Flow Rate | Best For |
|---|---|---|---|
| Vaillant ecoTEC Pro 24 | 24 kW | 9.6 L/min | 1-bedroom homes / flats |
| Vaillant ecoFIT Pure 825 | 25 kW | 10.4 L/min | Small homes / low demand |
| Main Eco Compact 25 | 25.4 kW | 10.2 L/min | Budget-friendly installations |
How reliable is the Vaillant ecoTEC Plus 826?
The Vaillant ecoTEC Plus 826 is known for its reliability. It’s built with high-quality components and backed by Vaillant’s reputation for engineering excellence. With regular annual servicing, this boiler can easily last 10 to 15 years, making it a dependable choice for homeowners.
Is the Vaillant 826 worth the money?
Yes, especially if you’re looking for long-term energy savings and peace of mind. While it’s not the cheapest option on the market, its high efficiency, quiet operation, and compatibility with smart thermostats offer great value for the investment.
What’s the warranty period on the 826 model?
When installed by a Vaillant Advance installer, you can get up to 10 years of warranty. This includes parts and labour, provided the boiler is serviced annually.
Can I use the Vaillant 826 with a smart thermostat?
Absolutely. The Vaillant ecoTEC Plus 826 is compatible with most leading smart thermostats including Hive, Tado, and Vaillant’s own vSMART system. Smart controls can help improve efficiency and reduce your energy bills.
Is the Vaillant ecoTEC Plus 826 suitable for a two-bathroom home?
No, the 826 is better suited for properties with one bathroom. If you have two or more bathrooms or require higher hot water output, you should consider a more powerful model such as the Vaillant ecoTEC Plus 832 or 835.
The Vaillant Ecotec Plus 826 is a top-tier combi boiler ideal for small to medium-sized properties in London. With exceptional efficiency, a durable design, and whisper-quiet performance, it offers great value for homeowners who want peace of mind and lower energy bills.
If you’re considering a boiler upgrade, Master Gas London offers fast, expert installation across London, Essex, & Hertfordshire with extended warranties and optional smart thermostat setups.
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