The ecoTEC plus high efficiency combination boiler range combines fantastic efficiency levels and high performance with great usability.

Requiring no hot water cylinder or cold water tank in the loft, this combination boiler provides almost instant hot water delivery to your taps and fits simply and easily into homes even with limited space.

Using premium components for outstanding performance, and featuring innovations such as a new high efficiency pump for reduced energy consumption, this range offers quality, reliability and efficiency – the very best in home heating.

The range is available in 24, 31 and 37kW output models.

What’s more, with a Quiet Mark award you can be assured knowing the ecoTEC plus is one of quietest boilers on the market!

Features and Benefits

  • The 824 model is more suitable for a 3 or 4 bedroom flat with 1 bathroom, or a small house with a low hot water requirement.
  • The 831 and 837 models are more appropriate for 3 or 4 bedroom properties, with 1 or 2 bathrooms.
  • The installation of a Vaillant ecoTEC pro boiler typically takes between 1-2 days, however some time should be allocated for systems where radiators and pipe work need replacing.
  • With an ecoTEC combination boiler you will receive a 5 year guarantee as standard or a 7 year guarantee if you choose to have a Vaillant Advance installer perform the work.
  • Awarded Quiet Mark approval.
  • Highly efficient and economical to run with up to an 89.4% efficiency rating (SAP 2009)
  • Almost instant (5 seconds) hot water delivery as required, without the need for a storage tank or cylinder.
  • Advanced modulation during periods of low heat demand (e.g 1-2 radiators on) ensures low energy consumption and maximum efficiency.
  • Flame lit detection system enables more efficient and quieter combustion.
  • New high efficiency automatic two stage pump reduces energy consumption and enables low stand by losses (less than 2kW)
  • Dedicated models available for LPG for off gas areas.
  • Stylish contoured case design with drop down flap making this a boiler which fits with the decor of any home.
ecoTEC plus13 824, 831, 837

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