The Vaillant 0020009868 is a genuine OEM immersion heater control unit designed to regulate and manage the operation of immersion heating elements within compatible Vaillant hot water cylinders, thermal stores, and storage combi systems. This control ensures safe activation, accurate temperature regulation, and efficient hot water performance.

A faulty immersion heater control can lead to no hot water, overheating, tripped safety devices, or inconsistent temperature output. Replacing it with this genuine Vaillant component ensures safe, reliable, and efficient immersion heater operation.

Key Features:

• Genuine Vaillant immersion heater control unit

• Precisely regulates immersion heater operation

• Ensures safe and efficient hot water temperature control

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

• Helps resolve overheating, failure to heat & inconsistent temperature issues

• Durable, reliable electronic construction

• Direct-fit replacement for professional installation

Compatibility

The Vaillant 0020009868 Immersion Heater Control is compatible with:

• Selected Vaillant unvented cylinders

• Vaillant VUI storage combi systems

• Vaillant thermal store units

• Any appliance listing 0020009868 in the official Vaillant parts documentation

Installers should always confirm model compatibility using the system’s service manual or parts list.