How much does it cost to fix boiler error code F76?

Typical repair cost for the boiler F76 fault is £120-220 including labour.

F76 High

Boiler Fault Code F76

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code F76 appears across 1 boiler brand and 8 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected an internal issue with a safety device designed to shut the system down if it gets too hot, and it will no longer operate until this is inspected. (As reported on Heatline Capriz Plus)

Pick your boiler brand for the F76 fix

Heatline F76 8 models

Source

Information for the F76 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

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