The Vaillant 0020009869 is a genuine OEM cylinder control unit designed to manage and regulate the hot water functions within compatible Vaillant unvented cylinders, thermal stores, and integrated hot water systems. This control component ensures accurate temperature regulation, safe operation, and efficient hot water performance.

A faulty cylinder control can lead to inconsistent temperatures, slow recovery times, heating priority issues, or system error messages. Replacing it with this genuine Vaillant part restores accurate control and ensures the cylinder operates safely and efficiently.

Key Features:

• Genuine Vaillant cylinder control unit

• Regulates hot water heating cycles and temperature

• Ensures stable and efficient hot water performance

• Manufactured to Vaillant’s strict OEM quality standards

• Helps resolve temperature issues, control faults & system errors

• Durable, reliable electronic component

• Direct-fit replacement for professional installation

Compatibility

The Vaillant 0020009869 Cylinder Control is compatible with:

• Selected Vaillant unvented cylinders

• Vaillant VUI storage combi units

• Vaillant thermal store systems

• Any appliance listing 0020009869 in the official Vaillant parts documentation

Installers should always verify compatibility using the cylinder’s model-specific service manual or parts list.