How much does it cost to fix boiler error code OVERHEAT FAULT?

Typical repair cost for the boiler OVERHEAT FAULT fault is £120-210 including labour.

OVERHEAT FAULT High

Boiler Fault Code OVERHEAT FAULT

Also written as OVERHEATFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code OVERHEAT FAULT appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has become too hot and has automatically shut down to prevent damage to the internal components. (As reported on Ideal Concord CXC 48 116)

Pick your boiler brand for the OVERHEAT FAULT fix

Ideal OVERHEAT FAULT 2 models

Source

Information for the OVERHEAT FAULT 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