What does the Biasi E13 fault code mean?

Your boiler has too much water inside it, which has caused the system to stop running to protect itself from damage.

How much does it cost to fix Biasi error code E13?

Typical repair cost for the Biasi E13 fault is £80-250 including labour.

Check that the filling loop valves (under the boiler) are closed tightly.

Central Heating pressure high

This is a emergency 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.

7 signs repair isn't worth it anymore.