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

Typical repair cost for the boiler Er 07 fault is £80-180 including labour.

Er 07 High

Boiler Fault Code Er 07

Also written as ER07 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Er 07 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected that the water pressure is either too low or the sensor that monitors it is not working correctly, causing the system to shut down for safety. (As reported on Biasi Advance 25C)

Pick your boiler brand for the Er 07 fix

Biasi Er 07 2 models

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 27 April 2026