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MPN: 10036014

Vaillant ecoTEC Plus 635 System Boiler

Vaillant ecoTEC Plus 635 System Boiler


Regular price £1,930.95 Excl. VAT
£2,317.14 Incl. VAT
Sale price £1,930.95 Excl. VAT
£2,317.14 Incl. VAT
Regular price
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Product Information

Vaillant ecoTEC Plus 635 System Boiler

The Vaillant ecoTEC Plus 635 System Boiler is a powerful, high-efficiency heating solution from Vaillant’s latest range, designed to deliver exceptional performance while keeping installation and servicing straightforward. With a refined internal layout and improved access to key components, this model helps engineers work more efficiently while ensuring long-term reliability for homeowners. This updated ecoTEC Plus model features a modern semi-touch interface, making setup and operation simple and intuitive. The guided commissioning wizard takes installers through each stage of the process, while the clear display and easy navigation make day-to-day use effortless. With the same footprint, pipe connections, and flue positioning as previous models, it’s ideal for quick and hassle-free like-for-like replacements. Advanced performance is driven by Vaillant’s latest innovations. IoniDETECT technology continuously monitors combustion, allowing the boiler to operate across a wide modulation range of up to 1:10. This ensures the boiler adapts precisely to heating demand, improving efficiency and reducing energy consumption. linBUS technology further enhances performance by providing accurate readings of flow rate and pressure via the internal pump. Built with flexibility and future readiness in mind, the ecoTEC Plus 635 is hydrogen-ready, meaning it can safely operate with up to a 20% hydrogen blend. It also integrates seamlessly with Vaillant’s range of controls, flues, boiler protection kits, and renewable technologies, making it suitable for a wide variety of heating systems. In addition, it is smart home ready and can be connected to the myVAILLANT connect internet gateway for app-based control (additional equipment may be required).

Key Features & Benefits

Refined internal layout for easier installation and servicing Intuitive semi-touch interface with guided commissioning wizard IoniDETECT technology for intelligent combustion monitoring Wide modulation range (up to 1:10) for improved efficiency linBUS technology for enhanced system performance and accuracy Hydrogen-ready for up to 20% hydrogen blend Smart home ready with myVAILLANT connect (additional equipment required) Compatible with Vaillant controls, flues, and accessories Familiar footprint for easy replacement installations Up to 10-year warranty available with Vaillant Advance Installer

Technical Specifications

Product Type: Gas System Boiler Model: ecoTEC Plus 635 GTIN: 4024074906750 Height: 720 mm Width: 440 mm Depth: 386 mm Weight (Net): 38 kg Gross Weight: 41 kg Warranty: 5 years (extendable to 10 years with Vaillant Advance Installer)

Frequently Asked Questions

Is the ecoTEC Plus 635 suitable for larger homes?

Yes, this model is designed for properties with higher heating demands, making it ideal for larger homes or systems requiring greater output.

Can this boiler be controlled remotely?

Yes, it is smart home ready and can be connected to the myVAILLANT connect gateway, allowing remote control via an app when used with compatible controls.

What makes this boiler efficient?

The combination of IoniDETECT technology and a wide modulation range ensures the boiler adjusts precisely to heating demand, reducing energy waste and improving overall efficiency.

Vaillant ecoTEC Plus 635 System Boiler

£1,930.95

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.