What does the Saunier Duval E09 fault code mean?

Your boiler has lost the ability to measure how much water is inside it, so it has safely shut down to prevent any damage.

How much does it cost to fix Saunier Duval error code E09?

Typical repair cost for the Saunier Duval E09 fault is £150-250 including labour.

Water pressure sensor fault

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.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.