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

Typical repair cost for the boiler Section F fault is £150-350 including labour.

Section F High

Boiler Fault Code Section F

Also written as SECTIONF — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Section F appears across 2 boiler brands and 3 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 light the burner, meaning it cannot produce heat or hot water because of a potential electrical or sensor issue. (As reported on Alpha 240XE)

Pick your boiler brand for the Section F fix

Alpha Section F 1 model Baxi Section F 2 models

Source

Information for the Section F 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