The Vaillant 0020211454 is a genuine OEM circulation pump designed for use in selected Vaillant Ecomax VU and ecoTEC VU system boilers. This pump ensures consistent and efficient circulation of water throughout the heating circuit, supporting stable boiler pressure, reliable heat distribution, and optimal system performance.

A failing pump may cause symptoms such as poor heating output, noisy operation, system pressure issues, flow-related error codes, or boiler lockouts. Installing this genuine Vaillant pump restores correct circulation and long-term boiler reliability.

Key Features:

• Genuine Vaillant circulation pump

• Ensures reliable and efficient water flow

• Designed for Ecomax VU & ecoTEC VU system boilers

• Helps resolve circulation faults, noise, overheating & lockouts

• Built to Vaillant’s strict OEM quality standards

• Durable, energy-efficient construction

• Direct-fit replacement ideal for professional servicing

Compatibility

The Vaillant 0020211454 Pump is compatible with:

• Vaillant Ecomax VU system boilers

• Vaillant ecoTEC VU system boilers

• Any Vaillant model that lists 0020211454 in its official parts documentation

Engineers should always verify compatibility using the model-specific service manual or parts list.