How much does it cost to fix Ferroli error code F47?

Typical repair cost for the Ferroli F47 fault is £120-£210 including labour.

F47 High

Ferroli F47 Fault Code

Q: What does the Ferroli F47 fault code mean?

Your boiler has lost communication with a built-in water pressure sensor, meaning it cannot confirm there is enough water to operate safely.

The Ferroli F47 fault code means: your boiler has lost communication with a built-in water pressure sensor, meaning it cannot confirm there is enough water to operate safely.. It appears on 7 Ferroli models in our database.

Technical description: N/A for UK market (Wiring interrupted / Sensor damaged)

Typical repair cost £120-£210 (including labour)

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Ferroli models that show the F47 fault code

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

Arean Repair: £120-200
Arena 30A Repair: £120-220
Domi Compact Repair: £120-200
Econcept 100 Repair: £150-250
Maxima 35 S Repair: £120-220
Optima 201 Repair: £120-200
Optimax Repair: £120-£210

Source

Ferroli F47 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