What does the Baxi H.01 – .08 fault code mean?

Your boiler is overheating or water is not moving through the system quickly enough to stay at a safe temperature.

How much does it cost to fix Baxi error code H.01 – .08?

Typical repair cost for the Baxi H.01 – .08 fault is £120-280 including labour.

Check that your boiler pressure is between 1 and 1.5 bar on the digital display or gauge.

Sensor fault, flow temperature increasing too fast in heating mode or insufficient circulation.

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.

Lockout fault with a reset-needed pattern.

Sludge build-up — needs flushing, not bleeding.