What does the Chaffoteaux 7.i fault code mean?

Your boiler has built up too much water pressure, causing it to leak water from the safety pipe to protect the system.

How much does it cost to fix Chaffoteaux error code 7.i?

Typical repair cost for the Chaffoteaux 7.i fault is £100-280 including labour.

Check that the filling loop valves are fully closed and not letting in water.

Safety valve discharges - System pressure 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.

Six most common causes of dropping pressure.

Step-by-step using the filling loop.

7 signs repair isn't worth it anymore.