BoilerFaultCodes 0.0 Your boiler has stopped working because the water pressure inside the heating system has dropped too low to operate safely.
Your boiler has stopped working because the water pressure inside the heating system has dropped too low to operate safely.
What to check first
- Locate the external filling loop, which is a flexible silver hose connected between two pipes under your boiler.
- Open the valves at both ends of the filling loop to allow water into the system until the pressure gauge reads between 1.0 and 1.5 bar.
- Close both valves tightly and remove the filling loop if required by your specific setup.
Parts commonly replaced
- Pressure relief valve
- Pressure sensor
- Expansion vessel