BoilerFaultCodes i14 Low
Boiler Fault Code i14
Also written as I14 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code i14 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 This code is simply showing you the current temperature of the incoming cold water pipe, rather than indicating there is an actual fault with your boiler. (As reported on Worcester Bosch Greenstar Heatslave II)
Pick your boiler brand for the i14 fix
Source
Information for the i14 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