How much does it cost to fix boiler error code 24cxi?

Typical repair cost for the boiler 24cxi fault is £150-300 including labour.

24cxi High

Boiler Fault Code 24cxi

Also written as 24CXI — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 24cxi appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is experiencing a technical error related to the internal flow rate, which means it may be unable to provide consistent hot water or heating. (As reported on Glow-worm Flexicom CXi)

Pick your boiler brand for the 24cxi fix

Glow-worm 24cxi 1 model

Source

Information for the 24cxi 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 7 July 2026