The Vaillant ecoTEC Plus 430 (ErP) Open Vent Boiler is a high-output, energy-efficient heating solution designed for larger homes with traditional open-vented systems. Combining strong performance with a compact design, this boiler is an excellent upgrade option for replacing older models while improving efficiency and reliability throughout your heating system.
Despite its powerful 30kW output, the ecoTEC Plus 430 remains compact and neatly styled, allowing it to be installed in cupboards, airing spaces, or utility rooms with ease. Its modern design ensures it fits seamlessly into your home, while delivering the heating capacity needed for properties with higher demand.
This boiler has been designed with ease of use in mind. The intuitive push-button controls and clear display make it simple to adjust settings, while the advanced diagnostic system provides detailed performance information. This helps engineers carry out servicing and maintenance quickly, reducing downtime and keeping your system running smoothly.
To ensure year-round reliability, the ecoTEC Plus 430 includes built-in two-stage frost protection, helping to protect the system during colder weather. It’s also compatible with Vaillant’s full range of accessories and controls, giving you the flexibility to enhance your heating system for greater efficiency and comfort.
With an A-rated ErP efficiency, this boiler helps to reduce energy consumption and keep running costs under control. 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 peace of mind.
Key Features & Benefits
Compact, space-saving design for flexible installation
Ideal for traditional open-vented heating systems
High 30kW output suitable for larger homes
Simple push-button controls for easy day-to-day use
Advanced diagnostic display for efficient servicing
Built-in two-stage frost protection for added reliability
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 430
GTIN: 4024074794067
Height: 600 mm
Width: 375 mm
Depth: 320 mm
Weight (Net): 23 kg
Gross Weight: 25 kg
Output: 30 kW (BTU figure typically around 100,000)
ErP Rating: A (Heating)
Warranty: 5 years (extendable to 10 years with Vaillant Advance Installer)
Frequently Asked Questions
Is the ecoTEC Plus 430 suitable for larger properties?
Yes, with its 30kW output, this model is ideal for larger homes or properties with higher heating demands using an open-vented system.
Can this boiler be installed in a cupboard?
Yes, thanks to its compact dimensions, it can be fitted in cupboards or smaller spaces, as long as installation guidelines and ventilation requirements are met.
How do I extend the warranty?
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 430 (ErP) Open Vent Boiler Only
£1,378.73
Any questions?
We’ve answered the most common queries to help you shop with confidence.
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.
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