How much does it cost to fix boiler error code 0A80?

Typical repair cost for the boiler 0A80 fault is £120-220 including labour.

0A80 High

Boiler Fault Code 0A80

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 0A80 appears across 1 boiler brand 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 having trouble communicating with its internal temperature sensors, which means it cannot accurately measure how hot the water is and has stopped working as a safety precaution. (As reported on Alpha Pro Tec Plus)

Pick your boiler brand for the 0A80 fix

Alpha 0A80 3 models

Source

Information for the 0A80 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