What does the Worcester Bosch 224 fault code mean?

Your boiler has detected that it is running too hot and has automatically shut itself down to prevent any damage or safety issues.

How much does it cost to fix Worcester Bosch error code 224?

Typical repair cost for the Worcester Bosch 224 fault is £150-300 including labour.

Safety temp. limiter has tripped. Check lead, high limit, system pressure, air in system, pump, or blockages.

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

Each noise points to a different fault.

Almost always a stuck diverter valve on combis.

Sludge build-up — needs flushing, not bleeding.