49 High

Ferroli 49 Fault Code

The Ferroli 49 fault code means: your boiler has switched itself off because it got too hot and needs time to cool down before it can safely restart.. It appears on 2 Ferroli models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Overheat cut-off thermostat
Typical repair cost £120-280 (including labour)

DIY fix possible

Turn the boiler off and allow it to cool for 20 minutesEnsure all radiator valves are fully open to allow water to circulateCheck that your system pressure is between 1 and 1.5 barPress the Reset button on the control panel

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Ferroli models that show the 49 fault code

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

Source

Ferroli 49 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