How much does it cost to fix boiler error code EE 8800?

Typical repair cost for the boiler EE 8800 fault is £120-220 including labour.

EE 8800 Medium

Boiler Fault Code EE 8800

Also written as EE8800 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code EE 8800 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's wall-mounted thermostat control is unable to communicate with the system due to a wiring or sensor fault, which may prevent your heating from turning on. (As reported on Ariston E-Combi One 30)

Pick your boiler brand for the EE 8800 fix

Ariston EE 8800 4 models

Source

Information for the EE 8800 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