How much does it cost to fix boiler error code Explosion at burner?

Typical repair cost for the boiler Explosion at burner fault is £120-250 including labour.

Explosion at burner Emergency

Boiler Fault Code Explosion at burner

Also written as EXPLOSIONATBURNER — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Explosion at burner 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 struggling to light its flame smoothly, causing a small, audible 'thump' or pop when the gas finally catches. This indicates a combustion issue that requires immediate professional attention to ensure the system is burning safely. (As reported on Ferroli Pegasus 67 107 2S)

Pick your boiler brand for the Explosion at burner fix

Ferroli Explosion at burner 1 model

Source

Information for the Explosion at burner 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