How much does it cost to fix boiler error code 814?

Typical repair cost for the boiler 814 fault is £120-£350 including labour.

814 High

Boiler Fault Code 814

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 814 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 has shut down because it detected that the water temperature leaving the unit has become dangerously hot. (As reported on ECA FELiS FL 50 HM)

Pick your boiler brand for the 814 fix

ECA 814 1 model

Source

Information for the 814 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 7 July 2026