How much does it cost to fix Heatline error code F10?

Typical repair cost for the Heatline F10 fault is £120-200 including labour.

F10 High

Heatline F10 Fault Code

Q: What does the Heatline F10 fault code mean?

Your boiler has lost the ability to accurately measure the temperature of the water used for your heating, so it has shut down to prevent any damage.

The Heatline F10 fault code means: your boiler has lost the ability to accurately measure the temperature of the water used for your heating, so it has shut down to prevent any damage.. It appears on 9 Heatline models in our database.

Technical description: Flow heating temperature sensor fault

Typical repair cost £120-200 (including labour)

Engineer required

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

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Heatline models that show the F10 fault code

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

Capriz Plus Repair: £150-300
Centurion 25 Repair: £150-300
Compact 24 Repair: £150-300
Compact 30 Repair: £150-300
Monza Repair: £120-200
Solaris Repair: £150-300
Vizo 24 Repair: £150-300
Vizo 28 Repair: £150-300
Vizo Plus Repair: £180-350

Source

Heatline F10 fault code information on this page is sourced and cross-checked against the official Heatline service / installation manuals for each affected model.

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