Requiring no hot water cylinder or cold water tank in the loft, this combination boiler provides almost instant hot water delivery to your taps, and fits simply and easily into homes even with limited space.
Using premium components for outstanding performance, and featuring innovations such as a new high efficiency pump for reduced energy consumption, this boiler offers quality, reliability and efficiency – the very best in home heating.
The ecoTEC Plus high efficiency combi boiler range uses premium components for outstanding performance, quality, reliability and efficiency - the very best in home heating.
The new ecoTEC plus is the product of hours of research and development, years of expertise and innovation and a series of fine, precise improvements that have sharpened, intensified and enhanced performance specifically for the UK market. We’ve started with a classic, and taken it to the next level.
The new ecoTEC plus takes connectivity to a whole new level. Paired with our new plug-and-play internet gateway, myVAILLANT connect, it enables app control, smart home integration and remote appliance care and support in minutes, for increased efficiency and first-class customer service.
Smart home ready - Works alongside the new plug-and-play myVAILLANT connect internet gateway, for easy connection with most Vaillant controls and app connectivity in minutes.
Refined and enhanced internal layout - With easy access to all major components, making installation and servicing effortless.
Familiar footprint and external layout - WRetaining the same case dimensions, boiler footprint, flue position and pipe connections for an effortless like-for-like swap.
New intuitive semi-touch interface - Allowing for effortless first-time installation and set-up, with guided commissioning and set up wizard and easy to follow navigation.
New IoniDETECT technology - Intelligent gas combustion monitoring, helping the new ecoTEC plus reach wider modulation range of up to 1:10, for even greater system efficiency.
Sharpened intelligence with LINbus technology - Enables more intelligent and accurate reading of flow rate and pressure differential via internal pump for improved performance.
Almost instant hot water delivery - As required, without the need for a storage tank or cylinder.
| Specification | ecoTEC plus 826 | ecoTEC plus 832 | ecoTEC plus 836 | ecoTEC plus 840 |
|---|---|---|---|---|
| ErP efficiency | 93% | 94% | 94% | 94% |
| ErP rating for Central Heating | A | A | A | A |
| ErP rating for Hot Water | A | A | A | A |
| Boiler dimension (HxWxD in mm) | 720 x 440 x 352 | 720 x 440 x 352 | 720 x 440 x 352 | 720 x 440 x 386 |
| Nominal heat output range at 50/30˚C (condensing mode) | 2.8 - 21.2kW | 3.9 - 26.5kW | 4.2 - 32.2kW | 5.0 - 32.3kW |
| Maximum flow temperature | 85°C | 85°C | 85°C | 85°C |
| Domestic hot water flow rate (at Δ30˚C) | 12.4 l/min | 15.2 l/min | 17.0 l/min | 19.0 l/min |
