Vaillant ecoTEC Plus 625 System Boiler (0010036012) is a wall-mounted natural-gas system boiler with a stated 25kW output. Designed to work with a separate hot-water cylinder, it is suited to homes that need stored hot water alongside central heating. The supplied product details specify an ErP A rating and a 1:8 modulation ratio.
The boiler includes an integrated pump and expansion vessel, and is described as compact and quiet-running. It is compatible with Vaillant vSMART™ and other smart thermostats. The stated warranty is up to 10 years when installed with a Vaillant Boiler Protection Kit by a Vaillant Advance Engineer; check the applicable terms before purchase.
25kW Output
ErP A-Rated
1:8 Modulation
Natural Gas
At a Glance
Boiler Type
System Boiler
For use with a hot-water cylinder
Efficiency Rating
ErP A
Specified energy rating
Product Code
0010036012
Vaillant ecoTEC Plus 625
What Is a System Boiler?
A system boiler provides central heating and works with a separate hot-water cylinder to store domestic hot water. Unlike a combi boiler, it does not heat tap water directly on demand. The ecoTEC Plus 625 is specified with an integrated pump and expansion vessel. Cylinder selection and system design should be confirmed by a suitably qualified heating professional.
Key Features
25kW Output
A stated 25kW output for home heating, paired with a separate hot-water cylinder.
1:8 Modulation Ratio
The boiler is specified with a 1:8 modulation ratio to adjust output in response to heating demand.
ErP A Rating
The supplied product details list an ErP A efficiency rating.
Smart Control Compatibility
Compatible with Vaillant vSMART™ and other smart thermostats, according to the supplied details.
Wall-Mounted Design
A compact wall-mounted unit described as suitable for retrofit projects and new installations.
Potential Extended Warranty
A warranty of up to 10 years is stated when the specified protection kit and installer conditions are met. Check the current warranty terms.
Installation Guidance:
Gas boiler installation, commissioning and servicing should be carried out by a suitably qualified professional in accordance with the manufacturer’s instructions and applicable regulations. Confirm the system design, cylinder compatibility, flue requirements, controls and installation clearances before ordering.
Key Specifications
| Brand |
Vaillant |
| Model |
ecoTEC Plus 625 |
| Product Code |
0010036012 |
| EAN |
4024074906743 |
| Boiler Type |
System boiler |
| Output |
25kW |
| Fuel Type |
Natural gas |
| Efficiency Rating |
ErP A |
| Modulation Ratio |
1:8 |
| Hot-Water Cylinder Required |
Yes |
| Noise Description |
Described as ultra-quiet |
| Flow Temperature |
Adjustable; range not specified in the supplied details |
| Installation |
Wall-mounted |
| Warranty |
Up to 10 years, subject to stated kit and installer conditions |
Who Is This Boiler For?
The Vaillant ecoTEC Plus 625 is intended for properties using a system-boiler setup with a separate hot-water cylinder. The supplied description positions it for medium to large homes, but the right boiler output and cylinder size depend on the property’s heat loss, hot-water demand and system design. Ask a qualified heating professional to assess suitability.
Frequently Asked Questions
Does the ecoTEC Plus 625 need a hot-water cylinder?
Yes. It is a system boiler designed to work with a separate hot-water cylinder.
What fuel does this boiler use?
The supplied specification lists natural gas.
What is its output and efficiency rating?
The supplied details state a 25kW output and an ErP A rating.
How long is the warranty?
The supplied details state up to 10 years when installed with a Vaillant Boiler Protection Kit by a Vaillant Advance Engineer. Check the applicable terms and conditions.
Vaillant ecoTEC Plus 625 System Boiler
The Vaillant ecoTEC Plus 625 (0010036012) is a 25kW natural-gas system boiler with an ErP A rating and 1:8 modulation. It requires a separate hot-water cylinder. Confirm system compatibility, installation requirements and warranty conditions with a qualified heating professional before ordering.
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.
