How much does it cost to fix Ferroli error code F7?

Typical repair cost for the Ferroli F7 fault is £120-200 including labour.

F7 High

Ferroli F7 Fault Code

Q: What does the Ferroli F7 fault code mean?

Your boiler has lost the ability to accurately measure the temperature of the water flowing through the system, so it has shut down to prevent damage.

The Ferroli F7 fault code means: your boiler has lost the ability to accurately measure the temperature of the water flowing through the system, so it has shut down to prevent damage.. It appears on 2 Ferroli models in our database.

Technical description: Delivery sensor fault. Possible cause: Sensor damaged; Wiring shorted; Wiring broken

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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Ferroli models that show the F7 fault code

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

Source

Ferroli F7 fault code information on this page is sourced and cross-checked against the official Ferroli service / installation manuals for each affected model.

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