61 Medium
Boiler Fault Code 61
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 61 appears across 6 boiler brands and 35 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is struggling to push water around your heating system because there is trapped air inside the internal pump, which is preventing your radiators from warming up properly. (As reported on Alpha Intec2 25 28XE)
Pick your boiler brand for the 61 fix
Source
Information for the 61 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 31 August 2026