How much does it cost to fix boiler error code Sensor?

Typical repair cost for the boiler Sensor fault is £120-200 including labour.

Sensor High

Boiler Fault Code Sensor

Also written as SENSOR — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Sensor 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's temperature sensors are giving conflicting readings, which is causing the system to stop working reliably to prevent overheating. (As reported on Potterton Envoy 30)

Pick your boiler brand for the Sensor fix

Potterton Sensor 1 model

Source

Information for the Sensor 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