The Vaillant 0020268797 is a genuine OEM 4-bar pressure relief valve (PRV) designed for use in Vaillant ecoTEC Plus boilers. This essential safety component protects the heating system by automatically releasing water when system pressure exceeds safe operating limits, preventing damage to internal components and ensuring compliant, reliable operation.

A faulty PRV may cause constant dripping, pressure loss, overheating, or system lockouts. Replacing it with this genuine Vaillant part restores proper safety protection and stable system pressure.

Key Features:

• Genuine Vaillant 4-bar pressure relief valve

• Automatically releases excess pressure for system safety

• Designed specifically for ecoTEC Plus boilers

• Helps prevent overpressure damage & safety faults

• Manufactured to Vaillant’s strict OEM safety standards

• Durable brass construction for long service life

• Direct-fit replacement for quick, professional installation

Compatibility

The Vaillant 0020268797 4-Bar PRV is compatible with:

• Vaillant ecoTEC Plus boilers (selected models)

• Any Vaillant appliance listing 0020268797 in its official parts documentation

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