What does the Potterton Overheat Thermostat fault code mean?

Your boiler has automatically turned itself off because it became too hot, often caused by a build-up of air in the system or a circulation problem.

How much does it cost to fix Potterton error code Overheat Thermostat?

Typical repair cost for the Potterton Overheat Thermostat fault is £120-250 including labour.

It will require manual re-setting if an overheat condition occurs (the LED will go to flashing Red).

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Each noise points to a different fault.

Work through these before the call-out.

Lockout fault with a reset-needed pattern.