Vaillant 0020233813 PCB Installer Board – 1-Phase (VWL AS / VWL A)

The Vaillant 0020233813 is a genuine OEM 1-phase PCB installer board designed for use in Vaillant VWL AS and VWL A heat pump systems. This essential control component manages key operational functions, ensuring safe, stable, and efficient system performance.

Engineered to Vaillant’s high manufacturing standards, this PCB is ideal for restoring full functionality when dealing with faults such as communication errors, control failures, or intermittent system operation. It provides reliable performance and seamless integration with the unit’s existing electronics.

Key Features:

• Genuine Vaillant OEM PCB (1-phase)

• Controls core operational and safety functions

• Ensures stable, efficient heat pump performance

• Direct-fit replacement for VWL AS/A systems

• High-quality, durable electronic construction

• Ideal for resolving PCB faults, error codes, or intermittent control issues

• Suitable for professional servicing and installation

Compatibility

The Vaillant 0020233813 PCB Installer Board is compatible with:

Vaillant Heat Pumps:

• VWL AS series

• VWL A series

Also suitable for any Vaillant unit that specifies part number 0020233813 in its technical documentation.

Engineers should verify compatibility with the model-specific service manual or parts list before installation.