What does the Baxi E25 fault code mean?

Your boiler has shut down because the water inside it has become too hot too quickly, usually because it isn't moving through the system properly.

How much does it cost to fix Baxi error code E25?

Typical repair cost for the Baxi E25 fault is £150-£350 including labour.

Maximum temperature exceeded (possible pump failure or circulation blockage)

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.

Safety-critical — turn off, read this.