Condensate in boiler High

Ferroli Condensate in boiler Fault Code

Also written as CONDENSATEINBOILER — same fault.

The Ferroli Condensate in boiler fault code means: your boiler is struggling because your water temperature is set too low, which is causing damaging moisture to build up inside the unit.. 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: Thermostat set too low. Adjust thermostat to a higher temperature (more than 50°C). Incorrect gas rate. Check that gas consumption is correct and adjust pressure if necessary
Typical repair cost £120-250 (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 Condensate in boiler fault code

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

Source

Ferroli Condensate in boiler 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 7 July 2026