What does the Worcester Bosch F0 338 fault code mean?

Your boiler is repeatedly trying to start but failing because it cannot sense the water flowing through the system properly.

How much does it cost to fix Worcester Bosch error code F0 338?

Typical repair cost for the Worcester Bosch F0 338 fault is £150-300 including labour.

Too many short burner starts without confirmation - There is an error where the pump is not detecting water.

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

Almost always a stuck diverter valve on combis.

Each noise points to a different fault.

7 signs repair isn't worth it anymore.