Should stop cocks and valves in pipework be turned fully on ?
I have heard that it is better to leave approx. a quarter or half turn ?
It seems that the valves/cocks in our loft may only be " half open " = Should I open them further ?
I have heard that it is better to leave approx. a quarter or half turn ?
It seems that the valves/cocks in our loft may only be " half open " = Should I open them further ?