What does the Worcester Bosch 2970 fault code mean?

Your boiler has detected a fast leak in your radiator system, meaning it has lost water pressure too quickly for it to operate safely.

How much does it cost to fix Worcester Bosch error code 2970?

Typical repair cost for the Worcester Bosch 2970 fault is £120-250 including labour.

Check all radiators, valves, and exposed pipework for signs of wet patches or dripping water.

Pressure drop in heating system too rapid

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

Six most common causes of dropping pressure.

Step-by-step using the filling loop.

Sludge build-up — needs flushing, not bleeding.