How much does it cost to fix boiler error code Failure at point G?

Typical repair cost for the boiler Failure at point G fault is £130-£320 including labour.

Failure at point G High

Boiler Fault Code Failure at point G

Also written as FAILUREATPOINTG — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Failure at point G 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 failing to turn down or shut off its flame as it gets hot, which may cause the system to overheat and shut down for safety. (As reported on Worcester Bosch 24CDi BF)

Pick your boiler brand for the Failure at point G fix

Worcester Bosch Failure at point G 1 model

Source

Information for the Failure at point G 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