Back to all boilers
Best for homes with a cylinder
Vaillant
ecoTEC plus 612 System
System
12kW heating
5 year warranty
A system boiler for homes with a separate hot-water cylinder, ideal where multiple outlets are used at once. Pairs with a cylinder for stored hot water.
Installed package price£3,280
Inc. boiler, flue, filter & installIndicative specification — pending technical verification against official manufacturer datasheets.
Key specifications
Heating output12 kW
Dimensions (H×W×D)720×410×338 mm
Efficiency90%
Warranty5 years
Features
- Designed for use with a cylinder
- Built-in system components
- Extended 5-year warranty
- Suitable for larger properties
What's included
- Boiler unit
- Standard flue
- Magnetic filter
- Standard thermostat
- Installation labour
- System flush & commissioning
Survey may be required
Some installations need a Home Survey or Video eSurvey before final confirmation. We'll confirm after you choose your boiler.