How much does it cost to fix boiler error code Bottom red light?

Typical repair cost for the boiler Bottom red light fault is £80-120 including labour.

Bottom red light High

Boiler Fault Code Bottom red light

Also written as BOTTOMREDLIGHT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Bottom red light 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 stopped working because the water pressure inside the heating system has dropped too low. (As reported on Ferroli Falcon)

Pick your boiler brand for the Bottom red light fix

Ferroli Bottom red light 1 model

Source

Information for the Bottom red light 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