How much does it cost to fix boiler error code Float switch (if fitted)?

Typical repair cost for the boiler Float switch (if fitted) fault is £75-180 including labour.

Float switch (if fitted) High

Boiler Fault Code Float switch (if fitted)

Also written as FLOATSWITCHIFFITTED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Float switch (if fitted) 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 a safety device designed to prevent water overflow or blockages has been triggered, causing the system to shut down. (As reported on Ideal Concord CXA 40-120)

Pick your boiler brand for the Float switch (if fitted) fix

Ideal Float switch (if fitted) 1 model

Source

Information for the Float switch (if fitted) 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