How much does it cost to fix boiler error code Er 07?

Typical repair cost for the boiler Er 07 fault is £120-180 including labour.

Er 07 Medium

Boiler Fault Code Er 07

Also written as ER07 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code Er 07 appears across 2 boiler brands and 4 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 accurately measure the temperature of the hot water it provides, which has caused it to stop heating your water to prevent overheating. (As reported on Biasi Advance Plus)

Pick your boiler brand for the Er 07 fix

Biasi Er 07 3 models Johnson Starley Er 07 1 model

Source

Information for the Er 07 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