BoilerFaultCodes D.072 Low
Boiler Fault Code D.072
Also written as D072 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code D.072 appears across 1 boiler brand and 7 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is simply finishing the process of moving heat into your hot water tank and is cooling itself down; this is a normal operation status rather than an active fault. (As reported on Vaillant ecoTEC Pro 24)
Pick your boiler brand for the D.072 fix
Source
Information for the D.072 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