How much does it cost to fix boiler error code limit thermostat?

Typical repair cost for the boiler limit thermostat fault is £150-300 including labour.

limit thermostat High

Boiler Fault Code limit thermostat

Also written as LIMITTHERMOSTAT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code limit thermostat 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 it is dangerously hot and has shut itself down to prevent internal damage. (As reported on Vokera Compact HE)

Pick your boiler brand for the limit thermostat fix

Vokera limit thermostat 1 model

Source

Information for the limit thermostat 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