What does the Worcester Bosch 315 fault code mean?

Your boiler is struggling to detect the water flowing through its internal pipes, which is causing it to stop heating as a safety precaution.

How much does it cost to fix Worcester Bosch error code 315?

Typical repair cost for the Worcester Bosch 315 fault is £150-300 including labour.

Several times lack of water flow

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.