How much does it cost to fix Worcester Bosch error code 325?

Typical repair cost for the Worcester Bosch 325 fault is £150-300 including labour.

325 High

Worcester Bosch 325 Fault Code

Q: What does the Worcester Bosch 325 fault code mean?

Your boiler is having trouble communicating with the sensors responsible for heating your hot water, which means it may not be able to provide hot water at this time.

The Worcester Bosch 325 fault code means: your boiler is having trouble communicating with the sensors responsible for heating your hot water, which means it may not be able to provide hot water at this time.. It appears on 2 Worcester Bosch models in our database.

Technical description: DHW-

Typical repair cost £150-300 (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 325 fault code

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

Source

Worcester Bosch 325 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