What does the Remeha 18-19 fault code mean?

Your boiler has detected that there isn't enough water pressure or flow inside the system to operate safely.

How much does it cost to fix Remeha error code 18-19?

Typical repair cost for the Remeha 18-19 fault is £100-280 including labour.

Check the pressure gauge on your system; it should typically be between 1.0 and 1.5 bar.

Water level control

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.