How much does it cost to fix boiler error code STOP?

Typical repair cost for the boiler STOP fault is £120-250 including labour.

STOP High

Boiler Fault Code STOP

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code STOP appears across 2 boiler brands and 10 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has blocked itself from restarting due to too many failed attempts and needs to remain off for an hour before it will let you try again. (As reported on Alpha Intec 28GS)

Pick your boiler brand for the STOP fix

Alpha STOP 4 models Atag STOP 6 models

Source

Information for the STOP 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