ideal esprit eco 24

  1. B

    Low boiler pressure - filling loop not working

    My Ideal Esprit Eco 24 boiler isn't working today (was working fine last night). It's just flashing F1 on the display. Pressure is under half a bar on the gauge. Everything online says I should just be able to open the blue and black valves to top up the water in the system will the filling...