Vaillant Ecotec Plus 840 40KW Combi Boiler – With Horizontal Flue

Vaillant Ecotec Plus 840 40KW Combi Boiler – With Horizontal Flue

With its improved interior design and convenient access to all important components, the NEW Vaillant ecoTEC Plus 840 combi boiler makes installation and maintenance a breeze. Compatible with all Vaillant technologies and accessories, such as boiler protection kits, flues, renewable heating systems, and the majority of our controllers (with the exception of timeSWITCH 150 and timeSWITCH 160). Additionally, the Vaillant ecoTEC Plus line features a new, user-friendly semi-touch interface that makes it simple to install and set up for the first time. It features an easy-to-follow navigation system and a guided commissioning and setup wizard.

• Automatic LPG conversion on most outputs (excluding ecoTEC plus 840, 940 and 635), completed in minutes using the new intuitive interface, with no additional parts required.
• 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.
• Hydrogen prepared, suitable to work safely and efficiently with up to 20% hydrogen mix.
• Familiar footprint and external layout, retaining the same case dimensions, boiler footprint, flue position and pipe connections for an effortless like for-like swap.
• Smart home ready* – Works alongside the new plug-and-play myVAILLANT connect internet gateway, for easy connection with most Vaillant controls (excluding timeSWITCH 150 and timeSWITCH 160) and app connectivity in minutes.
  * Terms and conditions apply, additional equipment may be required.