What does the Ariston E02 078 fault code mean?

Your boiler has detected that the water pressure inside the heating system is too low to operate safely, which prevents the burners from lighting.

How much does it cost to fix Ariston error code E02 078?

Typical repair cost for the Ariston E02 078 fault is £0-80 including labour.

Locate the external filling loop, usually a small braided hose with one or two valves underneath the boiler.

Main burner

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.