BoilerFaultCodes E83 482 Medium
Boiler Fault Code E83 482
Also written as E83482 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E83 482 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 the internal pressure relief mechanism has been triggered, which can be caused by the system pressure being too high or a faulty safety valve. (As reported on Potterton Promax 15 & 24)
Pick your boiler brand for the E83 482 fix
Source
Information for the E83 482 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