The Vaillant 065150 is a genuine OEM primary heat exchanger designed for selected Vaillant boilers. As one of the most critical components in a heating system, the heat exchanger transfers energy from the burner to the system water, ensuring reliable heating performance, improved efficiency, and safe boiler operation.

A worn, blocked, or failing heat exchanger can cause kettling, poor heat output, overheating, error codes, or complete boiler shutdown. Replacing it with this genuine Vaillant part restores optimal performance and ensures long-term reliability.

Key Features:

• Genuine Vaillant primary heat exchanger

• Delivers consistent and efficient heat transfer

• Helps resolve kettling, overheating & poor heating output

• Manufactured to Vaillant’s strict OEM quality standards

• Corrosion-resistant and built for long service life

• Direct-fit replacement for professional installation

• Essential for restoring safe and efficient boiler operation

Compatibility

The Vaillant 065150 Heat Exchanger is compatible with:

• Selected Vaillant Ecomax boiler models

• Selected Vaillant ecoTEC variants

• Any appliance listing 065150 in the official Vaillant parts documentation

Installers should always confirm exact compatibility using the boiler’s model-specific parts list or service manual.