What does the Alpha 0A17 fault code mean?

Your boiler is struggling to detect the expected temperature increase in the water flowing back to it, likely due to a circulation or sensor issue.

How much does it cost to fix Alpha error code 0A17?

Typical repair cost for the Alpha 0A17 fault is £150-300 including labour.

Return sensor temperature rise incorrect. The time taken for the return temperature to rise is too great.

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.