7& Low

Boiler Fault Code 7&

Also written as 7 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 7& appears across 8 boiler brands and 21 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is currently running its internal pump to circulate any remaining heat after the burners have turned off, which is a normal part of the cooling process. (As reported on Remeha Quinta 30)

Pick your boiler brand for the 7& fix

Biasi 7& 2 models Daikin 7& 2 models Dimplex 7& 3 models Halstead 7& 1 model Maxol 7& 1 model Remeha 7& 5 models Viessmann 7& 1 model Worcester Bosch 7& 6 models

Source

Information for the 7& 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