Vaillant EcoTEC Exclusive Green IQ 835 Combi Boiler

This combi boiler’s smart technology features provides excellence in performance and reliability. The Vaillant EcoTec Exclusive Green IQ 835 manages the consumption and output to keep the components all running with its peak performance, making it a low-maintenance boiler that you can rely on.

In addition to this, the Green iQ 835 has an efficiency rating of 94% and an ErP A-rating for heating and hot water, which could help to reduce your energy bills depending on your current boiler’s efficiency rating. 

The Vaillant EcoTec Exclusive Green iQ 835 has a central heating output of 26.4kW and a 35kW hot water output, making this combi gas boiler perfect for larger homes with up to 20 radiators and 1-2 bathrooms. However, if you feel that your home requires a higher demand, the Exclusive Green iQ 843 is available with a central heating output of 36kW and a hot water output of 43.3kW.

Combi boilers have become the most popular boiler type installed in homes across the U.K, this is because they are compact and do not require any additional tanks.