Vaillant ecoTEC Plus 635 35kW System Boiler (0010036014) is a high-efficiency, wall-mounted system boiler designed to provide powerful and reliable central heating for larger homes. With a 35kW output and compatibility with an unvented hot water cylinder, it is well suited to properties with multiple bathrooms and high hot water demand, delivering dependable heating performance alongside strong mains-pressure hot water.
VaillantecoTEC Plus 63535kW System BoilerA-Rated
Output
35kW
Efficiency
ErP A-Rated
Fuel
Natural Gas
Model
0010036014
Powerful Heating
The 35kW output is designed to meet the central heating requirements of larger homes, including properties with multiple bathrooms and higher heating demand.
Intelligent Modulation
A 1:9 modulation ratio allows the boiler to adjust its output according to demand, helping improve efficiency and reduce unnecessary energy consumption.
Cylinder Compatible
Designed to work with a separate unvented hot water cylinder, making it suitable for homes requiring high-pressure hot water from multiple outlets.
Smart & Quiet
Offers ultra-quiet operation and compatibility with Vaillant heating controls and smart thermostats for convenient system management.
Specifications
| Brand |
Vaillant |
| Model |
ecoTEC Plus 635 |
| Product code |
0010036014 |
| EAN |
4024074906750 |
| Boiler type |
System boiler |
| Output |
35kW |
| Fuel type |
Natural Gas |
| ErP efficiency |
A-rated |
| Modulation ratio |
1:9 |
| Hot water cylinder |
Required – compatible with unvented cylinders |
| Installation |
Wall-mounted |
| Controls |
Compatible with Vaillant controls and smart thermostats |
| Warranty |
Up to 10 years with eligible Vaillant protection kit and Advance Engineer installation, subject to terms |
System boiler & installation
The ecoTEC Plus 635 is a sealed system boiler designed to work alongside a separate hot water cylinder. System boilers incorporate key components such as the pump and expansion vessel within the appliance, helping simplify installation. The boiler is suitable for both retrofit and new installations and should be installed by a suitably qualified heating professional in accordance with the manufacturer's requirements.
Warranty & next steps
Extended warranty options may be available when the boiler is installed with an eligible Vaillant Boiler Protection Kit by a Vaillant Advance Engineer, subject to current terms and conditions. Before purchasing, check the required cylinder capacity, system components, installation requirements and control compatibility to ensure the ecoTEC Plus 635 is suitable for your heating system.
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.
