Whilst repressurising my boiler, I accidentally adjusted the wrong valve and now I'm not sure whether it should be up or down.
The valve is a black plastic one and is on the same pipe as the blue one (which you turn to let in water).
The boiler is a Logic Combi C 24.
Thanks for your help
The valve is a black plastic one and is on the same pipe as the blue one (which you turn to let in water).
The boiler is a Logic Combi C 24.
Thanks for your help