What does the Alpha 71 fault code mean?

Your boiler has stopped because the water inside isn't heating up as expected, usually due to a lack of circulation or a blockage.

How much does it cost to fix Alpha error code 71?

Typical repair cost for the Alpha 71 fault is £120-350 including labour.

Check that the boiler pressure is between 1.0 and 1.5 bar

No primary temperature increase detected

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.

7 signs repair isn't worth it anymore.