• The ecoTEC plus combi boilers, have compact dimensions (H: 720mm x W: 440mm x D: 335mm) - one of the lowest weight in their class (from 36.8kg) - meeting the growing demand from installers and end users for smaller, lightweight appliances.
• The ecoTEC plus combi 824 and 831 have a CH (Central heating) heat output range of 6.7 - 19kW and 8.7 - 24kW respectively. Vaillant's latest edition to the range is the ecoTEC plus combi 837 with a CH heat output range from 12.0 - 28.0kW.
• The ecoTEC range has been designed with ease of installation in mind and includes service valves with pipe clip distance connections.
  
• The boilers are all SEDBUK Band 'A' rated, combi models have powerful DHW performance (from 23kW) and 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 and all models can easily be converted to run on LPG. All ecoTEC plus combi boilers have a 2 year guarantee.

ecoTEC plus combination boilers have the following central heating heat output ranges:

ecoTEC plus 824 - 6.7 - 19.0kW

ecoTEC plus 831 - 8.7 - 24.0kW

ecoTEC plus 837 - 12.0 - 28.0kW