The Vaillant ecoTEC Plus 620 is a powerful and efficient heat-only boiler designed for medium to large homes with higher heating and hot water demands. Combining Vaillant’s trusted German engineering with advanced efficiency technology, it delivers reliable performance, excellent energy savings, and long-term durability.
Its compact, wall-mounted design allows for flexible installation in a variety of spaces, including kitchen cupboards and utility areas. Quiet Mark certification ensures whisper-quiet operation, while premium internal components enhance reliability and maintain consistent heating comfort throughout the year.
Backed by a 10-year parts and labour guarantee, the ecoTEC Plus 620 provides total peace of mind. For homeowners looking for a powerful, efficient, and quiet heating solution from one of the UK’s most respected boiler brands, the Vaillant ecoTEC Plus 620 is a superb choice.