How much does it cost to fix boiler error code E80?

Typical repair cost for the boiler E80 fault is £120-250 including labour.

E80 High

Boiler Fault Code E80

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code E80 appears across 1 boiler brand and 4 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 thinks the water returning from your radiators is hotter than the water leaving the boiler, which usually indicates a sensor error or a circulation problem. (As reported on ECA Confeo Premix HM)

Pick your boiler brand for the E80 fix

ECA E80 4 models

Source

Information for the E80 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