High
E9 276 on Worcester Bosch 24 RSF

Your boiler has shut down because it has detected that the water inside it is getting much too hot and could be overheating.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Primary flow temperature exceeded 95°c

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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