How much does it cost to fix boiler error code Safety temperature limiter?

Typical repair cost for the boiler Safety temperature limiter fault is £90-250 including labour.

Safety temperature limiter High

Boiler Fault Code Safety temperature limiter

Also written as SAFETYTEMPERATURELIMITER — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Safety temperature limiter 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 switched itself off because the water inside became too hot, likely due to a circulation issue. (As reported on Ideal Concord Super Series 4)

Pick your boiler brand for the Safety temperature limiter fix

Ideal Safety temperature limiter 1 model

Source

Information for the Safety temperature limiter 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