What does the Alpha 70 fault code mean?

Your boiler is struggling to accurately detect its own internal temperature, which is preventing it from heating your home or water reliably.

How much does it cost to fix Alpha error code 70?

Typical repair cost for the Alpha 70 fault is £120-£250 including labour.

Possible wiring fault, sensors incorrectly fitted, system blocked

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.

Realistic UK prices for a swap.