Featuring Vaillant advanced modulation technology with a 1:8 modulation ratio, the ecoTEC Plus 615 adjusts its power output to match heating demand. Its compact design, wall-mounted installation and quiet operation make it suitable for both retrofit and new heating installations.
15kW Output
ErP A-Rated
System Boiler
Natural Gas
Applications & suitability
Medium-Sized Homes
The 15kW output provides a consistent heating solution for suitable medium-sized residential properties.
Multiple Bathrooms
As a system boiler designed to work with a hot water cylinder, it is suitable for properties requiring stored hot water.
Retrofit Projects
The wall-mounted design makes the boiler suitable for retrofit heating installations.
New Installations
Its compact design and system boiler configuration make it suitable for new heating installations.
Key specifications
| Product Code |
ecoTEC Plus 615 |
| EAN (Barcode) |
4024074906545 |
| Brand |
Vaillant |
| Type |
System Boiler |
| Output |
15kW |
| Boiler Dimensions |
Compact for easy installation |
| Fuel Type |
Natural Gas |
| Efficiency Rating |
ErP A-Rated (High Efficiency) |
| Modulation Ratio |
1:8 for optimised performance |
| Hot Water Cylinder Required |
Yes – System Boiler |
| Noise Level |
Ultra-Quiet Operation |
| Flow Temperature Range |
Adjustable for precise heating control |
| Installation |
Wall-Mounted, Suitable for Retrofit or New Installations |
| Warranty |
Up to 10 years when installed with a Vaillant Boiler Protection Kit and fitted by a Vaillant Advance Engineer |
Installation & compatibility
The Vaillant ecoTEC Plus 615 is a natural gas system boiler designed to work with a compatible hot water cylinder. Its wall-mounted configuration supports both retrofit and new installation projects.
The stated warranty is up to 10 years when the boiler is installed with a Vaillant Boiler Protection Kit and fitted by a Vaillant Advance Engineer.
Design & performance benefits
A-Rated Efficiency
The ErP A-rated efficiency provides an energy-efficient heating solution.
1:8 Modulation Ratio
Advanced modulation technology adjusts boiler output to match heating demand.
Compact Design
The compact boiler design supports practical installation in suitable locations.
Quiet Operation
Designed for ultra-quiet operation to support a more comfortable home environment.
Additional installation features
Wall-Mounted Installation
Wall-mounted configuration supports flexible positioning for suitable heating installations.
Hot Water Cylinder Compatible
Designed to operate with a hot water cylinder as part of a system boiler installation.
Retrofit & New Build
Suitable for both replacement heating systems and new installations.
Ideal for
The Vaillant ecoTEC Plus 615 System Boiler is ideal for medium-sized homes, properties with multiple bathrooms, retrofit projects and new heating installations requiring a reliable 15kW system boiler. With ErP A-rated efficiency, a 1:8 modulation ratio, compact construction and quiet operation, it provides a practical solution for central heating systems using a hot water cylinder.
Order Now! Choose the Vaillant ecoTEC Plus 615 System Boiler for efficient, reliable and responsive heating performance. Order online from Getplumb for fast delivery or collect in-store.