What does the Baxi Pressure below 1 fault code mean?

Your boiler has lost the water pressure required to circulate heat around your home, likely due to a small leak somewhere in your radiator system.

How much does it cost to fix Baxi error code Pressure below 1?

Typical repair cost for the Baxi Pressure below 1 fault is £80-150 including labour.

Locate the external filling loop, which is a silver braided hose connecting your central heating pipes.

May indicate a leak on the central heating system.

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.

Step-by-step using the filling loop.

Sludge build-up — needs flushing, not bleeding.