How much does it cost to fix Worcester Bosch error code 213?

Typical repair cost for the Worcester Bosch 213 fault is £150-300 including labour.

213 High

Worcester Bosch 213 Fault Code

Q: What does the Worcester Bosch 213 fault code mean?

Your boiler has detected that the water leaving the boiler is much hotter than the water returning to it, suggesting the system is struggling to circulate heat properly.

The Worcester Bosch 213 fault code means: your boiler has detected that the water leaving the boiler is much hotter than the water returning to it, suggesting the system is struggling to circulate heat properly.. It appears on 4 Worcester Bosch models in our database.

Technical description: Temp difference between supply and return exceeding limit

What causes the Worcester Bosch 213 fault?

Temperature differential fault

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 213 fault code

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

Source

Worcester Bosch 213 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