Vaillant ecoTEC Plus Combination Boilers

Ranges: 824, 831 and 837

  • These ecoTEC plus high efficiency combination boilers deliver top SEDBUK Band ‘A’ rated (SAP 2009) fuel efficiency and powerful DHW performance. 
  • The ecoTEC Plus Combination range come complete with Vaillant’s ‘AquaComfort’ system. This incorporates a warmstart facility, providing instantaneous hot water delivery and a controlling system to ensure a constant hot water temperature.
  • EcoTEC plus boilers have a built-in expansion vessel of 10 litres
  • The small unit sizing offers excellent siting versatility and easy installation and, with the multi-directional push flue system, they offer even greater installation flexibility.
  • As a condensing boiler this range provides a SEDBUK efficiency of 89.2% (SAP 2009)* as their unique stainless steel heat exchangers allow more heat to be extracted by recapturing otherwise lost heat.
  • Excellent ease of usage with the new Built-in status / diagnostic display, and both the central heating and hot water can be controlled.
  • Timing controls can be mechanical or digital depending on the users preference.
  • From an engineer’s point of view, the side panels are removable and access to all the internal components ensure that is one of the most popular of the boilers on the market to carry out any repair work on.
  • All EcoTEC Plus boilers installed by Plumbing Wise come with a free 7 year warranty.
  • These boilers are registered with the Energy Saving Trust.

Vaillant EcoTEC Plus Combination Boilers



DimensionsH: 720mm x W:440mm x D: 335mm
SEDBUKBand ‘A’ rated
Output RangeecoTEC Plus 824 3.8 – 19.0kW 80,000btu/hr
ecoTEC plus 831 – 5.2 – 24.0kW 110,000btu/hr
ecoTEC plus 837 – 6.4 – 28.0kW 130,000btu/hr
DHL Flow RateecoTEC Plus 24 9.4 litres / min
ecoTEC Plus 31 12.7 litres / min
ecoTEC Plus 37 15.2 litres / min
Warranty10 years
*Data for the Vaillant boilers has been provided by Vaillant. Quoted SEDBUK efficiency figures are based on test results submitted by manufacturers and certified by an independent Notified Body (accredited for the testing of boilers to European standards)

Download Vaillant Boiler Specifications

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