What does the Halstead 41 fault code mean?

Your boiler is struggling to circulate water properly or the pressure is too low, causing it to shut down shortly after lighting.

How much does it cost to fix Halstead error code 41?

Typical repair cost for the Halstead 41 fault is £100-£280 including labour.

Check the pressure gauge on the front of the boiler; it should be between 1 and 1.5 bar.

Water flow failure/ Flame for a short period only. Low water pressure. Reversed sensors

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.