Vaillant ecoFIT pure 835 Combi Gas Boiler

The Vaillant ecoFIT pure 835 Combi heats your radiators and gives you hot water straight from the mains, with no tank or cylinder. You can check your fixed installed price online in a couple of minutes. See your fixed price in our online quote.

Get my fixed price

Key specs

Spec Vaillant ecoFIT pure 835 Combi
Boiler type Combi, condensing, wall mounted
Fuel Mains gas
Central heating output 26.7 kW
Hot water output 35 kW
Hot water flow rate 14.1 l/min
Efficiency Around 94%, A-rated (ErP: A heating, A hot water)
Manufacturer warranty 5 years standard, extendable to 10 years with a Vaillant Advance installer (register within 30 days)
Dimensions (H x W x D) 700 x 390 x 295 mm

Who it suits

  • Homes with 2–3 bedrooms and one bathroom.
  • Homes with more bathrooms should consider a higher output.

Why people choose it

  • Strong flow: 14.1 litres a minute.
  • vSMART-ready: App control of heating and hot water.
  • Compact: Fits kitchen cupboards.

FAQs

What warranty does the ecoFIT pure 835 have?

5 years standard, extendable to 10 with a Vaillant Advance installer.

Can I use smart controls?

Yes, including Vaillant vSMART.

What size home is it for?

Up to 3 bedrooms and one bathroom.

Get your fixed price online

Answer a few quick questions about your home and current boiler. You’ll see a fixed installed price straight away and can book online.

Get my fixed price