ecoTEC plus 824, 831, 837

What is it?

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 type of home could this be suitable for?

824 – Typically 1 or 2 bedroomed flats with 1 bathroom, or small houses with a low hot water requirement.

831 and 837 – Typically 3 or 4 bedroomed properties, with 1 or 2 bathrooms.

When considering installing a combination boiler it’s important to note that the larger the (kW) output you select, the greater the hot water delivery will be.

How much will it cost to install?

Depending on your system requirements, a boiler replacement installation of this kind typically costs between £2000-£3000*.

How much could I save per year on my energy bills?

When installing this type of system along with weather compensating controls and an outdoor sensor, You could save up to approximately £255 on your gas bill per year*.

Will this help me to reduce my carbon footprint?

Yes, by upgrading an old standard gas boiler to this new system (with weather compensating controls and an outdoor sensor) you could save in the region of 1,265 kg of C02 per year*.

How long will it take to install?

Typically between 1-2 days, however installation may be longer for some systems where radiators and pipe work need replacing. 

What guarantee is included with this product?

5 years as standard or 7 years when installed by a Vaillant Advance installer.

 *Installation costs, carbon savings and gas bill savings are all based on replacing an older G rated appliance in a typical 3 bedroomed mid 20th century house with an ecoTEC plus boiler with a VRC 470F weather compensating control and outdoor sensor, using SAP standard calculations.  Costs shown for upgrading this system are based on typical equipment and installation costs, and are shown for illustration purposes only. To obtain an accurate quote for installing this system, in your home, please seek the advice of a Gas Safe registered installer.
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Features & Benefits

  • 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 lift 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 2W).
  • 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.
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How to buy this product

Contact an installer using our find an installer search

An installer will call you as soon as possible to arrange a visit.

During the visit, your installer will provide a quote to arrange the installation.

Installation usually takes 1-2 days

Once installed, you can register your
guarantee here.