How much does it cost to fix boiler error code 110E?

Typical repair cost for the boiler 110E fault is £120-250 including labour.

110E Emergency

Boiler Fault Code 110E

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 110E appears across 1 boiler brand and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is struggling to breathe properly because the pipework that lets out waste gases or takes in fresh air is blocked or damaged. (As reported on Navien NCB 28 HE)

Pick your boiler brand for the 110E fix

Navien 110E 6 models

Source

Information for the 110E 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