Skip to content
Ask us about next day delivery by calling 0118 958 8882.
Ask us about next day delivery by calling 0118 958 8882.

Vaillant New ecoTEC plus 635 35kw System Boiler Only 0010036014

SKU V-0010036014
Save 19% Save 19%
Original price £2,317.74
Original price £2,317.74 - Original price £2,317.74
Original price £2,317.74
Current price £1,872.00
£1,872.00 - £1,872.00
Current price £1,872.00

The Vaillant ecoTEC Plus 635 System Boiler (0010036014) is a top-rated, high-efficiency system boiler designed to deliver powerful and reliable heating for large homes with multiple bathrooms. With a 35kW output, it provides consistent central heating and works seamlessly with an unvented hot water cylinder, ensuring high water pressure and uninterrupted hot water supply.

Engineered with Vaillant’s cutting-edge technology, the ecoTEC Plus 635 features a 1:9 modulation ratio, allowing it to adapt to your home’s heating needs, optimizing efficiency, and reducing energy waste. Its ErP A-rated energy performance, ultra-quiet operation, and intelligent heating controls compatibility make it the best-selling choice for large households.


What is a System Boiler?

A system boiler is a sealed heating unit that connects directly to the mains water supply and works with a separate unvented hot water cylinder. Unlike combi boilers, system boilers provide strong, high-pressure hot water to multiple outlets simultaneously, making them ideal for large homes. They also feature a built-in pump and expansion vessel, reducing the need for additional components and allowing for quicker, more efficient heating.


Product Specifications

For full data sheet click here.

Feature Details
Product Code 0010036014
EAN (Barcode) 4024074906750
Brand Vaillant
Type System Boiler
Output 35kW
Fuel Type Natural Gas
Efficiency Rating ErP A-Rated (High Efficiency)
Modulation Ratio 1:9 for optimized 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 installs
Warranty Up to 10 years when installed with a Vaillant Boiler Protection Kit and fitted by a Vaillant Advance Engineer

Why is the Vaillant ecoTEC Plus 635 Our Best-Selling System Boiler?

  • Powerful 35kW Output – Delivers efficient heating for large homes with multiple bathrooms.
  • Smart Heating Control – Compatible with Vaillant’s vSMART™ app and other smart thermostats.
  • A-Rated Energy EfficiencyLower running costs, reduced carbon footprint.
  • Quiet & Compact – Designed for seamless installation in homes with higher heating demands.
  • Intelligent Modulation (1:9) – Automatically adjusts heat output for optimal performance and energy savings.
  • Extended Warranty – Get up to 10 years of cover with a Vaillant Protection Kit & Advance Engineer installation.

The Vaillant ecoTEC Plus 635 System Boiler is the perfect choice for homeowners looking for high performance, reliability, and energy efficiency.

Get the best price on the Vaillant ecoTEC Plus 635 from Getplumb – Reading’s trusted plumbing and heating supplier. Order online for fast delivery or collect in-store today!

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare