How much does it cost to fix boiler error code Section C Fault?

Typical repair cost for the boiler Section C Fault fault is £90-180 including labour.

Section C Fault Medium

Boiler Fault Code Section C Fault

Also written as SECTIONCFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Section C Fault 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 struggling to detect consistent water circulation because trapped air is interfering with its internal sensors. (As reported on Potterton Performa 28i)

Pick your boiler brand for the Section C Fault fix

Potterton Section C Fault 1 model

Source

Information for the Section C 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