BoilerFaultCodes Pump Overrun - Central Heating Low
Boiler Fault Code Pump Overrun - Central Heating
Also written as PUMPOVERRUNCENTRALHEATING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Pump Overrun - Central Heating 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 is performing a routine cycle to safely move remaining heat away from the unit, which is a normal part of the shutdown process after your heating has been running. (As reported on Potterton Envoy Plus)
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Source
Information for the Pump Overrun - Central Heating 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