How we're operating during the COVID-19 pandemic

Find out more How we’re operating during COVID-19
  • Get the best quotes, fast!
  • Over 5,000 engineers across the UK
  • Gas Safe registered engineers

Need a New Boiler?

Get FREE no-obligation quotes now!

  • No delays! Get quotes today
  • Compare quotes & get the best prices
  • Gas Safe & OFTEC registered engineers
 4.8 stars

1,284 reviews

 4.8 stars

1,284 reviews

Vaillant ecoFIT pure 835 Combi Gas Boiler

Vaillant ecoFIT pure 835 Combi Gas Boiler Boiler
Typical Price (inc VAT)
£1,192
Typical installation Cost (inc VAT)*
£500 - £1000
Sundries (Filter, Flue, etc)
£300
Total Cost
£1,992 - £2,492

Get a quote to install this boiler

Need a repair instead? Get a repair quote
Make Vaillant
Model ecoFIT pure 835 Combi Gas Boiler
Is Condensing Condensing
Efficiency Rating 94%
Band Rating A Rated
LPG Compatible No
Standard Warranty 10 Years
Central Heating Max. Output 26.7 kW
Mounting Wall Mounted
Flow Rate 14.1 l/min
Typical Price (inc VAT) £1,192
Typical installation Cost (inc VAT)* £500 - £1000
Sundries (Filter, Flue, etc) £300
Total Cost £1,992 - £2,492
ERP Rating A Heat A Water
Hot Water Max. Output 35 kW

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

Get a quote to install this boiler

Need a repair instead? Get a repair quote
Product Description

The EcoFIT pure is a condensing wall-mounted combi gas boiler, designed and manufactured by Vaillant.

How efficient is the Vaillant ecoFIT Pure 835?

The ecoFIT Pure 835 is a highly efficient boiler with an efficiency rating of 94% and ErP A-rating for heating and hot water.

Is the output rating suitable for my home?

With combi boilers you have to consider two separate output ratings: the central heating (CH) output and the domestic hot water (DHW) output. The ecoFIT Pure has a CH output of 26.7 kW and DHW output of 35 kW. This makes it well suited to homes with around 15 radiators and 1-2 bathrooms.

Are other output ratings available in the ecoFIT Pure range?

The 835 is the most powerful boiler in the ecoFIT range. There are 2 other ecoFIT Pure combi boilers which have lower CH and DHW outputs as well as system boilers too which store hot water in a cylinder.

It is ultra-quiet while in operation and with it also being Quiet Mark-approved you can be sure that it will never disturb you while in operation. This boiler also has a small footprint and is flexible in where it can be placed. With this boiler comes top and rear flue options over all boiler models, helping to allow for flexibility in where it can be placed throughout a wide range of property types. It is compact in size making it able to fit in a cupboard.

Is a combi boiler suitable for my home?

A combi boiler is the most suitable option for small to medium-sized homes with a low to moderate demand for heating and hot water. They're cost-effective space-saving units as there's no need for any additional tanks or cylinders.

How long is the warranty period?

A 2 year warranty is available as standard on the ecoFIT Pure 835 and can be extended to as long as 7 or 10 years when installed by a Vaillant Advance installer.

What are the key features of the ecoFIT Pure 835?

This boiler is an easy to use unit with it coming with a clear LED display helping you to see the boiler where light may be limited. With this also comes a Vaillant fault code diagnostic with these being easily recognisable Vaillant codes you can be sure that in the unlikely event the boiler goes wrong you'll be able to find out the issue quickly and easily.

This boiler has an accessible layout helping to allow all components to be replaced from the front of the boiler. As well as this this boiler comes with a high quality component helping to offer peace of mind for the lifetime of the product. This boiler is also compatible with the Vaillant intelligent range of controls helping for the most convenient and energy efficient system. With this boiler comes a 2 year warranty, another way in which it gives you that added security that you have brought a reliable boiler.

How big is the ecoFIT Pure 835?

An ecoFIT Pure combi boiler is ideal if you don't have much room in your property, thanks to dimensions of 700x390x295mm (HxWxD).

Get a quote to install this boiler

Need a repair instead? Get a repair quote

Get a quote to install this boiler

Need a repair instead? Get a repair quote

Need a new boiler?

Get FREE no-obligation quotes now!

Excellent 4.8 out of 5

Find approved boiler engineers
in your area.

Begin your search by entering your postcode below.

Or select your region from the list and start your search