Vaillant ecoFIT pure 830

Vaillant Eco Fit Pure 830

ecoFIT pure combi

The cupboard-size combination boiler for any home

  • High performance build, smart controls and efficiency
  • Compact enough to fit in a kitchen cupboard
  • Hand-built in our award-winning Derbyshire manufacturing plant
  • Quiet Mark approved, meaning it’s one of the quietest products in its category
  • 2 years guarantee as standard, with 7 to 10 years available.


The Vaillant ecoFIT pure 830 boiler is lightweight and compact but doesn’t mean you have to compromise on comfort. The ecoFIT pure’s powerful aluminium heat exchanger offers outstanding performance and low energy consumption for any home.

It’s smart, too. When you don’t need as much heat, it will reduce itself to just 20% of its maximum output – meaning greater energy efficiency and lower bills for you. And because it works with vSMART™, you can control your low-cost, climate-friendly heating via the internet.

Vaillant is working towards low carbon solutions today. As part of the ongoing trials, Vaillant boilers have been tested with up to 20% hydrogen blended with Natural Gas.

Vaillant is currently testing each of its boilers to validate compatibility with up to 20% hydrogen. 

  • Three combination models covering 25, 30 or 35kW heating outputs
  • A flow rate of up to 14.1 litres per min for fast instant hot water
  • ErP A rated for both hot water and heating efficiency
  • Dimensions in mm: H 700 x W 390 x D 295


SEDBUK SAP seasonal efficiency 2009 (%) – 89.0

ErP rating for central heating – A

ErP rating for hot water – A

Boiler dimension (H x W x D mm) – 700 x 390 x 295

Maximum DHW flow rate (l/min) – 12.2

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Gas Assist Worcester Bosch 4000 install offer

Vaillant ecoFIT pure 830

Power filter

Wireless thermostat

Calmag scale reducer

Sentinel x800 Flush

£2,200 Fully Installed

Contact the Gas Assist Boilers team on 01202 138758 or complete our online quote form below and have your energy efficient new boiler fitted tomorrow.