Vaillant ecoTEC Plus 635 ErP System Boiler 35kW

The Vaillant ecoTEC Plus 635 ErP System Boiler 35kW is a natural gas system boiler designed for homes with a separate hot water cylinder and higher hot water demand. It provides efficient central heating performance while supporting mains-pressure hot water storage, making it suitable for properties with multiple bathrooms or simultaneous hot water use. The compact wall-mounted design, aluminium heat exchanger and Vaillant control compatibility help deliver reliable heating with straightforward installation and servicing.

Features & Benefits:

• Smart home ready - Works seamlessly with myVAILLANT connect for app control, smart home integration, and remote appliance support
• Refined internal layout - Enhanced design allows for easy access to all components, making installation and servicing effortless
• Familiar footprint & external layout - Retains the same case dimensions, flue position, and pipe connections for a simple like-for-like swap
• New intuitive semi-touch interface - Provides an effortless setup experience with a guided commissioning wizard and easy-to-follow navigation
• AutomaticltrPG conversion - Converts toltrPG in minutes, with no additional parts required
• New IoniDETECT technology - Intelligent gas combustion monitoring for a wider modulation range of 1:9, ensuring greater efficiency and lower energy consumption
• Sharpened intelligence withltrINbus technology - Enhances flow rate and pressure monitoring via the internal pump, leading to improved system performance

Applications:

• Central heating systems with a hot water cylinder
• Homes with multiple bathrooms
• Mains-pressure hot water installations

Technical Data:

• Brand - Vaillant
• Range - ecoTEC Plus
• Product Type - Natural Gas System Boiler
• Colour - White
• Fuel Type - Gas
• ErP Rating - A
• Wattage - 35kW
• Depth - 386mm
• Width - 440mm
• Height - 720mm
• Weight - 40.5kg
• Material - Stainless Steel
• Sound Power Level - 52dB(A)
• Mounting - Wall Mounted
• Nominal Heat Output Range At 50°C To 30°C (Condensing mode) - 5.0-37.7kW
• Nominal Heat Output Range At 80°C To 60°C (Non condensing mode) - 4.5-34.9kW
• Maximum Flow Temperature - 85°C
• Flow Temperature Range - 30°C To 85°C
• Modulation - 1:9 max/min
• Maximum Heat Output For Water Generation - 39.4kW
• Gas Inlet Connection (Pipe Size) - 15mm
• Heating Flow And Return Connections (Pipe Size) - 22mm
• NOx (EN 15502-2-1) - 27.0mg/kWh
• ErP Efficiency - 94%
• Maximum Horizontal Flue Length 60/100 - 8mtr
• Maximum Vertical Flue Length 60/100 - 8mtr
• Maximum Horizontal Flue Length 80/125 - 28mtr
• Maximum Vertical Length 80/125 - 30mtr

Choose the Vaillant ecoTEC Plus 635 ErP System Boiler 35kW for efficient Vaillant heating performance and reliable installation, available now online or at our London shops.