How much does it cost to fix Worcester Bosch error code Pump runs?

Typical repair cost for the Worcester Bosch Pump runs fault is £150-350 including labour.

Pump runs Emergency

Worcester Bosch Pump runs Fault Code

Q: What does the Worcester Bosch Pump runs fault code mean?

Your boiler has detected that the water inside is dangerously overheating and is running the pump constantly to try and cool it down.

Also written as PUMPRUNS — same fault.

The Worcester Bosch Pump runs fault code means: your boiler has detected that the water inside is dangerously overheating and is running the pump constantly to try and cool it down.. It appears on 2 Worcester Bosch models in our database.

Technical description: Primary temperature 115°C

Typical repair cost £150-350 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Worcester Bosch models that show the Pump runs fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Worcester Bosch Pump runs fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026