The Vaillant ecoTEC Plus 615 System Boiler is a highly efficient and reliable heating solution designed for medium-sized homes requiring consistent and powerful central heating. With a 15kW output and ErP A-rated efficiency, this natural gas system boiler is designed to work with a hot water cylinder, making it suitable for properties with multiple bathrooms.
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.
At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.
🆓 Free Local Delivery (Orders £100 & above)
We offer FREE delivery on orders £100 or more
for selected local areas.
Eligible Postcodes Include:
- RG*
- SL*
- OX10*, OX11*, OX49*
- HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
- WD*, HA*, UB*, TW*, KT*
- W1* – W9*
- NW*, SW*
Delivery Time: 2–4 working days
Shipping Cost: £0.00
📦 Standard Shipping (Weight-Based Rates)
For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.
- For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
- For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
- For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.
🧱 Block Salt (Harvey’s) – Unit-Based Shipping
This rate applies only to Harvey’s block salt products.
- £7.99 is charged for every 3 items.
- The charge increases by £7.99 for each additional set of 3 items.
Examples:
- 1–3 items → £7.99
- 4–6 items → £15.98
- 7–9 items → £23.97
Delivery Time: 2–4 working days
📏 Large / Long Items (Length-Based Shipping)
For oversized items where the product length is 1.5 metres or more:
Conditions:
- Product length ≥ 1.5 m
- Cart weight ≤ 40 kg
Shipping Cost: £18.00 (flat rate)
Delivery Time: 2–4 working days
Collection from Store
Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.
