What does the Glow-worm F.72 fault code mean?

Your boiler has detected that two internal sensors are disagreeing with each other, which usually means one of them is faulty or incorrectly fitted.

How much does it cost to fix Glow-worm error code F.72?

Typical repair cost for the Glow-worm F.72 fault is £120-190 including labour.

Deviation in the water pressure sensor/return temperature sensor

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.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.