How much does it cost to fix Worcester Bosch error code 144?

Typical repair cost for the Worcester Bosch 144 fault is £150-300 including labour.

144 High

Worcester Bosch 144 Fault Code

Q: What does the Worcester Bosch 144 fault code mean?

Your boiler has detected that the water temperature is rising too quickly while the burner is on, so it has stopped heating to prevent damage.

The Worcester Bosch 144 fault code means: your boiler has detected that the water temperature is rising too quickly while the burner is on, so it has stopped heating to prevent damage.. It appears on 1 Worcester Bosch model in our database.

Technical description: High temp start condition with burner running

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 144 fault code

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

WR325 RSF Repair: £150-300

Source

Worcester Bosch 144 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