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

Typical repair cost for the boiler FAULT POINT B fault is £120-250 including labour.

FAULT POINT B High

Boiler Fault Code FAULT POINT B

Also written as FAULTPOINTB — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code FAULT POINT B 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 is receiving a signal to turn on but is failing to initiate the heating process, indicating a breakdown in communication between your thermostat and the boiler's internal controls. (As reported on Worcester Bosch 24i/28i Junior)

Pick your boiler brand for the FAULT POINT B fix

Worcester Bosch FAULT POINT B 2 models

Source

Information for the FAULT POINT B 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