Vaillant ecoTEC Combi Boilers

Vaillant ecoTEC Plus 831 Combi Boiler and the ecoTEC Range

ecoTEC plus high efficiency combination boilers deliver top SEDBUK Band ‘A’ rated fuel efficiency and powerful DHW performance.
The ecoTEC plus combi boilers, have compact dimensions and one of the lowest weights in their class (from 36kg) – meeting the growing demand from installers and end users for smaller, lightweight appliances. The  Vaillant ecoTEC plus combi 824 and  Vaillant ecoTEC 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

Features and benefits

High condensing efficiency SEDBUK Band ‘A’
Compact dimensions Offers excellent siting versatility and easy installation
Stainless steel heat exchanger Allows more heat to be extracted by recapturing otherwise lost heat
‘AquaComfort’ system Providing instantaneous hot water at a constant temperature
Built-in status / diagnostic display Comprehensive status and diagnostic information and push button programming
Single electronic circuit board Simplifies commissioning and servicing
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