Vaillant ecoTEC Plus 435 Open Vented Boiler 35kW

The Vaillant ecoTEC Plus 435 Open Vented Boiler 35kW is a natural gas open vented boiler designed for traditional heating systems with a hot water cylinder and a separate cold water storage tank. It is a suitable replacement option for older heat-only boilers, offering efficient condensing performance while retaining the familiar open-vented system layout. The compact wall-mounted design, aluminium heat exchanger and Vaillant control compatibility help provide dependable heating performance with flexible installation options.

Features & Benefits:

• Compact and lightweight design - Small footprint (602mm x 375mm x 320mm) for flexible siting, including kitchen cupboard installation
• Rear flue option - Offers greater installation flexibility in various property types
• Large backlit plain text display - Provides clear visibility in poor lighting conditions and easy monitoring of boiler operation
• Push-button programming - Simple and intuitive operation for effortless use
• Built-in two-stage frost protection - Ensures reliable performance all year round
• Push-fit flue system - Allows for quicker, hassle-free installation
• Removable side panels - Improves accessibility for maintenance and repairs
• Wide modulation range - Enhances efficiency by reducing energy consumption based on demand
• Compatible with all Vaillant controls - Works with a range of smart and programmable controls, including smartphone connectivity for enhanced efficiency and convenience
• ErP ‘A’ rated - Up to 89.2% efficiency rating (SAP 2009) for lower running costs
• Hydrogen-ready - Successfully tested with up to 20% hydrogen blend as part of the HyDeploy project, ensuring future-proof low-carbon heating
• Compact and lightweight design - Small footprint (602mm x 375mm x 320mm) for flexible siting, including kitchen cupboard installation
• Rear flue option - Offers greater installation flexibility in various property types
• Large backlit plain text display - Provides clear visibility in poor lighting conditions and easy monitoring of boiler operation
• Push-button programming - Simple and intuitive operation for effortless use
• Built-in two-stage frost protection - Ensures reliable performance all year round
• Push-fit flue system - Allows for quicker, hassle-free installation
• Removable side panels - Improves accessibility for maintenance and repairs
• Wide modulation range - Enhances efficiency by reducing energy consumption based on demand
• Compatible with all Vaillant controls - Works with a range of smart and programmable controls, including smartphone connectivity for enhanced efficiency and convenience
• ErP ‘A’ rated - Up to 89.2% efficiency rating (SAP 2009) for lower running costs
• Hydrogen-ready - Successfully tested with up to 20% hydrogen blend as part of the HyDeploy project, ensuring future-proof low-carbon heating

Applications:

• Traditional open-vented heating systems
• Homes with a hot water cylinder and cold water storage tank
• Heat-only boiler replacement projects

Technical Data:

• Brand - Vaillant
• Range - ecoTEC Plus
• Product Type - Natural Gas Open Vented Boiler
• Colour - White
• Fuel Type - Gas
• ErP Rating - A
• Wattage - 35kW
• Depth - 320mm
• Width - 375mm
• Height - 602mm
• Weight - 23kg
• Material - Aluminium
• Sound Power Level - 53dB(A)
• Manufacturer Guarantee - 5 Years
• Mounting - Wall Mounted
• Nominal Heat Output Range At 50°C To 30°C - 7.5-37.1kW
• Nominal Heat Output Range At 80°C To 60°C - 7.1-35.1kW
• Maximum Flow Temperature - 80°C
• Flow Temperature Range - 10°C To 80°C
• Approximate Condensate Volume At 50°C To 30°C - 3.57ltr/hr
• Modulation - 1:4.9 max/min
• Maximum Heat Output For Water Generation - 35.1kW
• Gas Inlet Connection (Pipe Size) - 15mm
• Heating Flow And Return Connections (Pipe Size) - 22mm
• Hot And Cold Water Connections (Pipe Size) - 15mm
• NOx Class - 6
• NOx (EN 15502-2-1) - 32mg/kWh
• ErP Efficiency - 93%
• Maximum Horizontal Flue Length 60/100 - 10mtr
• Maximum Vertical Flue Length 60/100 - 10mtr
• Maximum Horizontal Flue Length 80/125 - 25mtr
• Maximum Vertical Length 80/125 - 25mtr

Guarantee Options:

• 5-year standard guarantee out of the box
• 10-year extended guarantee when installed by a Vaillant Advance installer with a boiler protection kit

Choose the Vaillant ecoTEC Plus 435 Open Vented Boiler 35kW for efficient Vaillant heating performance and reliable installation, available now online or at our London shops.