How much does it cost to fix boiler error code Flue spillage device?

Typical repair cost for the boiler Flue spillage device fault is £150-300 including labour.

Flue spillage device Emergency

Boiler Fault Code Flue spillage device

Also written as FLUESPILLAGEDEVICE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Flue spillage device 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 has detected that gases are not safely escaping through the flue and has shut itself down to protect your home from harmful fumes. (As reported on Worcester Bosch 24CDi BF)

Pick your boiler brand for the Flue spillage device fix

Worcester Bosch Flue spillage device 1 model

Source

Information for the Flue spillage device 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