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Vaillant ecoTEC Plus 840 40kW Combi Boiler 1/3 – IFC
Vaillant ecoTEC Plus 40kW
£4,213.00
MSRP:
Starting from £4,213.00
Instant Advice Options
What's Included Best suited for large homes with multiple bathrooms and high simultaneous demand.
- Hot water flow rate of 16.4l/pm
- With an ERP rating of A and efficiency of 94%
- Central heating output of 32kW
- WarmZilla is a trusted Vaillant Installer


We offer fast and reliable boiler installations within 48 hours.
Every one of our engineers are Gas-Safe Registered.
We cover every UK postcode.
Rated Excellent on Trustpilot.
The ecoTEC Plus 840 is the most powerful combi in the range, delivering exceptional hot water flow for large households. It is built to handle high simultaneous usage while maintaining efficiency and reliability.
We offer fast and reliable boiler installations within 48 hours.
We cover every UK postcode.

kW Output
32 KW
Hot water flow rate
16.4 l/pm
ERP Rating
A Rated
Energy Efficiency
94 %
Dimensions
Height 720mm
Width 440mm
Depth 338mm
Maximum hot water performance
Quiet Mark approved operation
Wide modulation range for efficiency
Aqua Comfort hot water system
Stainless steel heat exchanger
Designed for high demand households
Wireless Thermostat Included
Installation by a local Gas Safe Engineer (arriving between 8-11am)
Removal of existing system (inclusive of tanks if applicable)
Removal of installation rubbish off site including boiler
Boiler flue installation
Magnetic filter for ongoing protection
System cleanse of your heating system
Inhibitor and System cleaner for protection
Condensate pipework or upgrade (if applicable)
Gas pipe upgrade (if required)
Copper and fittings pack with pipe work installation
Electrical connections including thermostat (if applicable)
CO Alarm included
Delivery of package via courier or your local engineer
12-month WarmZilla workmanship warranty
Registration of warranty and Building Control Certificate by WarmZilla
Warranty includes parts and labour free via the manufacturer
Full protection of property, surfaces, and workspace throughout installation
Handover of your new boiler, including control panel and pressure top-up guide
Removal of redundant pipework and accessories (where necessary)
Removal of any old or unused controls (if applicable)
Sealing of external flue and condensate pipework to the building fabric
Making good of any brickwork around the flue exit
Commissioning of your new boiler for full operation
Balancing of your heating system (if required)
Final tidy-up and removal of all protective coverings

















