What does the Atag b26 fault code mean?

Your boiler has stopped working because the water pressure is too low or the pump isn't circulating water through the system.

How much does it cost to fix Atag error code b26?

Typical repair cost for the Atag b26 fault is £100-350 including labour.

Check the pressure gauge on the front of the boiler

Boiler block: Low water pressure or pump failure

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.

Each noise points to a different fault.

Sludge build-up — needs flushing, not bleeding.