The Vaillant 0020231443 is a genuine OEM white wall seal designed for use with DN 100 Vaillant flue systems. This wall seal provides a neat, professional finish where the flue passes through an internal or external wall, helping to cover the penetration point while protecting the opening from drafts, debris, and moisture ingress.

Made from durable, weather-resistant material, this seal maintains both system efficiency and a clean installation appearance.

Key Features:

• Genuine Vaillant DN 100 wall seal

• Clean white finish for a neat installation

• Covers and protects flue wall openings

• Prevents drafts, moisture ingress & debris intrusion

• Suitable for internal and external walls

• Manufactured to Vaillant’s strict OEM quality standards

• Durable, long-lasting construction

• Direct-fit component for quick and tidy installation

Compatibility

The Vaillant 0020231443 White Wall Seal is compatible with:

• Vaillant DN 100 flue systems

• ecoTEC, ecoFIT, aroTHERM, and other models using DN 100 flue components

• Any installation that specifies 0020231443 in the official Vaillant flue accessories list

Installers should always verify compatibility using the flue manual or installation guide.