BoilerFaultCodes Low system water pressure High
Boiler Fault Code Low system water pressure
Also written as LOWSYSTEMWATERPRESSURE — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Low system water pressure 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 stopped working because the amount of water inside your heating system has dropped below the required level. (As reported on Ferroli Econcept 100)
Pick your boiler brand for the Low system water pressure fix
Source
Information for the Low system water pressure 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