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Vaillant Combi Boilers

'Combi’ is short for combination boiler and does two things, heats water and provides central heating for your home.They are ideal for smaller homes, as there's no need for a water storage tank, as the boiler's connected directly to the water mains so water is only heated as and when needed.

ecoTEC exclusive with Green iQ combi

The premium combination boiler

  • The best in boiler performance, control and efficiency
  • Fully compatible with our vSMART™ heating control for optimum performance and smartphone app control
  • Eco-friendly and 85% recyclable
  • Hand-assembled in our award-winning Derbyshire manufacturing plant
  • 5-year guarantee as standard, with 7 to 10 years available when you book a Vaillant Advance installer

ecoTEC plus combi

The flexible combination boiler for any home

  • High performance, control and efficiency
  • Precision heating to reduce your fuel bills
  • A wide range of heating control options, from our simple boiler timer right up to our vSMART™ smartphone app
  • Delivers hot water within 5 seconds (and no need for a storage tank or cylinder.)*
  • 5-year guarantee as standard, with 7 to 10 years available when you book a Vaillant Advance installer

ecoTEC plus combination store

The solution for larger homes

  • High performance, control and efficiency
  • Integrated hot water storage device at the back of the boiler
  • Hot water within 5 seconds* and up to 20 litres of hot water per minute
  • A wide range of heating control options, from our simple boiler timer right up to our vSMART™ smartphone app
  • 5-year guarantee as standard, with 7 to 10 years available when you book a Vaillant Advance installer

ecoTEC pro combi

The smart combination boiler for small to medium homes

  • Precision heating to reduce your fuel bills
  • A full range of thermostat controls, from our simple analogue timers to our vSMART™ app based control.
  • Hand-assembled in Derbyshire by one operative from start to finish, in our award-winning manufacturing plant.
  • 2 years guarantee as standard, with 5 to 10 years available when you book a Vaillant Advance installer.

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
  • A full range of heating control options, from our simple analogue timers to our vSMART™ smartphone app
  • 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 when you book a Vaillant Advance installer
  Trustpilot