What does the Baxi Safety Thermostat fault code mean?

Your boiler has shut down because it has detected it is getting too hot, usually due to a lack of water flow or a circulation blockage.

How much does it cost to fix Baxi error code Safety Thermostat?

Typical repair cost for the Baxi Safety Thermostat fault is £90-220 including labour.

Check that your radiator valves are open to allow water to flow.

The safety thermostat neon will light in the event of the system or the boiler overheating.

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.

Sludge build-up — needs flushing, not bleeding.

Work through these before the call-out.