How much does it cost to fix boiler error code Fault 33 22?

Typical repair cost for the boiler Fault 33 22 fault is £90-180 including labour.

Fault 33 22 High

Boiler Fault Code Fault 33 22

Also written as FAULT3322 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Fault 33 22 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has stopped working because its internal control board has detected that some wiring or sensors have been plugged into the wrong ports during a service or repair. (As reported on Worcester Bosch Greenstar CDi Compact)

Pick your boiler brand for the Fault 33 22 fix

Worcester Bosch Fault 33 22 2 models

Source

Information for the Fault 33 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