The Vaillant ecoTEC Plus 840 is a high-efficiency 40kW combi boiler designed for larger homes and properties with higher heating and hot water demands. This condensing boiler delivers reliable performance with a SEDBUK A rating, reducing energy consumption and lowering heating bills.
The package includes a factory-fitted flue kit and Vaillant filter, simplifying installation and ensuring optimal air quality from the start. The ecoTEC Plus range is known for quiet operation, compact design, and straightforward maintenance access.
Ideal for properties requiring substantial heating output, this model combines proven Vaillant engineering with modern efficiency standards. Compatible with standard heating systems and suitable for both new installations and replacements where space and output requirements demand a larger capacity unit.
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