The Vaillant 0020197031 is a genuine OEM air inlet duct designed for selected Vaillant ecoTEC Plus VU system boilers. This component directs and regulates the incoming air supply required for proper combustion, helping the boiler maintain safe, efficient, and stable operation.

A damaged, blocked, or incorrectly fitted air inlet duct can lead to poor combustion, reduced performance, increased noise, or airflow-related error codes. Replacing it with this genuine Vaillant part ensures correct airflow management and long-term reliability.

Key Features:

• Genuine Vaillant air inlet duct

• Ensures correct and stable air supply to the combustion system

• Designed for ecoTEC Plus VU system boilers

• Supports efficient combustion & reliable performance

• Manufactured to Vaillant’s strict OEM quality and safety standards

• Helps resolve airflow faults, noise issues & combustion irregularities

• Durable, precisely moulded construction

• Direct-fit replacement for professional servicing

Compatibility

The Vaillant 0020197031 Air Inlet Duct is compatible with:

• Vaillant ecoTEC Plus VU system boilers

• Any appliance listing 0020197031 in official Vaillant parts documentation

Installers should always verify exact compatibility using the boiler’s model-specific service manual or combustion air guide.