The Vaillant 0020211453 is a genuine OEM circulation pump designed for use in selected Vaillant Ecomax VU and ecoTEC VU system boilers. This pump ensures reliable and efficient water circulation through the heating circuit, maintaining stable pressure, consistent heat distribution, and optimal overall boiler performance.

A faulty or weakening pump can lead to poor heating output, noisy operation, system pressure issues, overheating, or flow-related error codes. Replacing it with this genuine Vaillant pump restores correct circulation and long-term reliability.

Key Features:

• Genuine Vaillant circulation pump

• Designed specifically for Ecomax VU & ecoTEC VU system boilers

• Ensures stable water flow and system pressure

• Supports efficient heating performance

• Built to Vaillant’s strict OEM quality standards

• Helps resolve flow faults, overheating, noise & boiler lockouts

• Durable, energy-efficient construction

• Direct-fit replacement for professional installation

Compatibility

The Vaillant 0020211453 Pump is compatible with:

• Vaillant Ecomax VU system boilers

• Vaillant ecoTEC VU system boilers

• Any appliance listing 0020211453 in the official Vaillant parts documentation

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