How much does it cost to fix boiler error code 0E46?

Typical repair cost for the boiler 0E46 fault is £150-250 including labour.

0E46 High

Boiler Fault Code 0E46

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 0E46 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 has detected that the exhaust temperature is being measured incorrectly and has shut itself down as a safety precaution. (As reported on Alpha Pro Tec Plus)

Pick your boiler brand for the 0E46 fix

Alpha 0E46 3 models

Source

Information for the 0E46 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