612 / 615 / 618 / 624 / 630 / 637 Vaillant ecoTEC plus system boiler range
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A system boiler provides central heating and hot water via a storage cylinder, which is filled from the mains and often housed in an airing cupboard.

The ecoTEC plus range of system boilers is available in a wide range of output models including 12kW, 15kW, 18kW, 24kW, 30kW and 37kW, meaning that there is a suitable model for almost any home. The stylish design and small dimensions also make it a perfect fit with any home.

Click here for more information on the Vaillant ecoTEC plus system boiler range

  • Highly efficient and economical to run with up to 89.4% efficiency rating
  • Contoured case design with drop down flap to give a stylish appearance in any home
  • Compact dimensions
  • Engineered in Germany and manufactured in the UK
  • Simple and easy to use built in control panel
  • Compatible with Vaillant’s complete range of intelligent controls including the new vSMARTTM