The Vaillant ecoTEC Plus 418 (ErP) Open Vent Boiler is a powerful and efficient heating solution, designed for homes with traditional open-vented systems that require a higher heat output. Combining strong performance with a compact design, this model is an excellent upgrade choice for replacing older boilers while improving overall efficiency and reliability.
Despite delivering an 18kW output, the ecoTEC Plus 418 maintains a compact footprint, making it easy to install in cupboards, airing spaces, or utility areas. Its sleek and modern appearance ensures it integrates neatly into your home without taking up unnecessary space, while still providing the heating power needed for larger properties.
Ease of use is at the heart of this boiler’s design. With simple push-button controls and a clear, easy-to-read display, adjusting settings is straightforward. The built-in diagnostic system provides detailed performance and fault information, making servicing quicker and more efficient for engineers.
To ensure reliability all year round, the ecoTEC Plus 418 features built-in two-stage frost protection, helping to protect the system during colder weather. It is also fully compatible with Vaillant’s range of accessories and controls, allowing you to tailor your heating system for improved comfort and energy efficiency.
With an A-rated ErP heating efficiency, this boiler is designed to reduce energy usage and keep running costs down. It also comes with a standard 5-year warranty, which can be extended up to 10 years when installed by a Vaillant Advance Installer, offering long-term reassurance.
Key Features & Benefits
Compact, space-saving design suitable for various installations
Ideal for traditional open-vented heating systems
Higher output for larger homes or increased heating demand
Simple push-button controls for ease of use
Advanced diagnostic display for quick maintenance and fault finding
Built-in two-stage frost protection for added peace of mind
Compatible with Vaillant controls and accessories
A-rated ErP efficiency for improved energy savings
Up to 10-year warranty available with approved installation
Technical Specifications
Product Type: Gas Open Vent Boiler
Model: ecoTEC Plus 418
GTIN: 4024074794043
Height: 600 mm
Width: 375 mm
Depth: 320 mm
Weight (Net): 23 kg
Gross Weight: 25 kg
Output: 18 kW / 60,000 BTU
ErP Rating: A (Heating)
Warranty: 5 years (extendable to 10 years with Vaillant Advance Installer)
Frequently Asked Questions
What size property is the ecoTEC Plus 418 suitable for?
This model is well-suited to medium to larger homes with an open-vented system, particularly where a higher heat output is required compared to smaller models.
Is this boiler easy to operate day to day?
Yes, it features simple push-button controls and a clear display, making it easy for homeowners to adjust settings and monitor performance.
Can I extend the warranty on this boiler?
Yes, the standard 5-year warranty can be extended up to 10 years when installed by a Vaillant Advance Installer, subject to the manufacturer’s terms and conditions.
Vaillant ecoTec Plus 418 (ErP) Open Vent Boiler Only
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.
Over 35 Years of Trading
+£3M Stock Value
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10 Branches Across London & South East
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