How much does it cost to fix boiler error code PP5?

Typical repair cost for the boiler PP5 fault is £120-190 including labour.

PP5 High

Boiler Fault Code PP5

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code PP5 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's internal thermometer that measures the air around it has stopped working properly, preventing the system from operating safely. (As reported on Grant Vortex)

Pick your boiler brand for the PP5 fix

Grant PP5 2 models

Source

Information for the PP5 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