How much does it cost to fix boiler error code DOWNDRAUGHT FAULT?

Typical repair cost for the boiler DOWNDRAUGHT FAULT fault is £120-250 including labour.

DOWNDRAUGHT FAULT Emergency

Boiler Fault Code DOWNDRAUGHT FAULT

Also written as DOWNDRAUGHTFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code DOWNDRAUGHT FAULT 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 being cleared away properly through the flue, which is a safety mechanism to prevent harmful fumes from entering your home. (As reported on Ideal Concord CXA 40-120)

Pick your boiler brand for the DOWNDRAUGHT FAULT fix

Ideal DOWNDRAUGHT FAULT 1 model

Source

Information for the DOWNDRAUGHT FAULT 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