What does the Worcester Bosch 2965 B fault code mean?

Your boiler has stopped running because the water inside it has become too hot, which is a safety measure to prevent overheating.

How much does it cost to fix Worcester Bosch error code 2965 B?

Typical repair cost for the Worcester Bosch 2965 B fault is £120-£350 including labour.

Check that all radiator valves are open to allow water to circulate.

Flow temperature too high

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.

Sludge build-up — needs flushing, not bleeding.

Lockout fault with a reset-needed pattern.