Vaillant Ecotech 630 System Boiler with Horizontal Flue & 15mm Scale Reducer

The Vaillant ecoTEC Plus 630 System Boiler is a premium 30kW system gas boiler engineered for sealed central heating systems with a separate unvented hot water cylinder. Combining Vaillant's latest condensing technology with intelligent combustion management, it delivers powerful, efficient, and reliable heating for medium to large homes while helping reduce energy consumption and running costs.

Featuring a redesigned internal layout, intuitive semi-touch controls, and advanced smart technology, the ecoTEC Plus 630 is designed for straightforward installation, simplified servicing, and long-term performance. It is fully compatible with Vaillant's range of heating controls, accessories, and renewable heating solutions, making it an ideal upgrade for existing heating systems.

Key Features

• 30kW system gas boiler
• Fuel Type: Natural Gas
• High-efficiency condensing technology
• ErP A Rated heating efficiency
• Designed for sealed heating systems with an unvented hot water cylinder
• New intuitive semi-touch user interface
• IoniDETECT intelligent combustion technology
• Up to 1:10 modulation ratio
• Automatic LPG conversion without additional conversion kit
• Hydrogen Blend Ready (up to 20%)
• Smart home ready with myVAILLANT connect
• Compatible with Vaillant heating controls, flues, and renewable technologies
• Familiar installation footprint for easy boiler replacement
• Easy-access internal layout for faster servicing
• Standard 5-year manufacturer's warranty
• Extendable to 10 years when installed by a Vaillant Advance Installer (subject to terms and conditions)

Ideal for Sealed Heating Systems

The ecoTEC Plus 630 is designed for sealed central heating systems with a separate unvented hot water cylinder. This setup provides reliable central heating while storing hot water for simultaneous use across multiple bathrooms, making it ideal for larger households.

Its integrated pump and expansion vessel help simplify installation while ensuring dependable heating performance throughout the home.

Powerful 30kW Heating Performance

With a 30kW central heating output, the ecoTEC Plus 630 is perfectly suited to medium and large homes with higher heating demands.

Vaillant's IoniDETECT technology continuously monitors gas quality and automatically adjusts combustion settings for optimum efficiency. Combined with a 1:10 modulation ratio, the boiler reduces fuel consumption by matching output precisely to heating demand.

Compact Design & Easy Installation

The ecoTEC Plus 630 retains the familiar ecoTEC installation footprint, making it an excellent choice for replacing older Vaillant boilers with minimal system modifications.

Dimensions

• Height: 720mm
• Width: 440mm
• Depth: 352mm

The improved internal layout provides quick access to major components, reducing installation time and simplifying future servicing.

Advanced Energy Efficiency

Using advanced condensing technology together with intelligent combustion monitoring, the ecoTEC Plus 630 maximises seasonal efficiency while helping reduce gas consumption and household heating costs.

The boiler is also Hydrogen Blend Ready, allowing operation with gas supplies containing up to 20% hydrogen, helping future-proof your heating system.

Smart Heating Control Compatibility

The ecoTEC Plus 630 is compatible with myVAILLANT connect and Vaillant's latest smart heating controls, allowing homeowners to manage heating remotely and improve comfort while reducing energy usage.

It also integrates with Vaillant renewable heating products and hybrid systems for enhanced flexibility.

Reliable Performance & Easy Maintenance

Featuring Vaillant's advanced linBUS technology, the ecoTEC Plus 630 delivers more accurate monitoring of flow rates and pump performance, helping optimise system efficiency.

Combined with a guided commissioning wizard and intuitive semi-touch controls, installation, setup, and servicing are faster and more convenient than ever.

Warranty & Peace of Mind

The Vaillant ecoTEC Plus 630 comes with a 5-year manufacturer's warranty as standard. When installed and registered by a Vaillant Advance Installer, the warranty can be extended to 10 years, providing additional confidence and long-term protection.

Why Choose the Vaillant ecoTEC Plus 630?

• Powerful 30kW system gas boiler
• Ideal for sealed heating systems with a hot water cylinder
• IoniDETECT intelligent combustion technology
• Up to 1:10 burner modulation
• Automatic LPG conversion
• Hydrogen Blend Ready (20%)
• Smart home compatible
• Compact design for easy replacement
• Simplified installation and servicing
• Up to 10-year warranty available