How much does it cost to fix boiler error code E 22?

Typical repair cost for the boiler E 22 fault is £150-250 including labour.

E 22 Emergency

Boiler Fault Code E 22

Also written as E22 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E 22 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 is unable to safely vent exhaust gases, so it has stopped working to prevent any risk of fumes entering your home. (As reported on Chaffoteaux Minima HE)

Pick your boiler brand for the E 22 fix

Chaffoteaux E 22 1 model

Source

Information for the E 22 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