BoilerFaultCodes E85752 High
Boiler Fault Code E85752
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E85752 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 is struggling to direct hot water to your taps or radiators because a mechanical internal valve has stuck or failed. (As reported on Potterton Powermax HE)
Pick your boiler brand for the E85752 fix
Source
Information for the E85752 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