Oli, here is a question for you, I might be totally wrong but internally in these push fit connectors is the bore reduced or less then the ID of the pipe which fits into it?
I know the illustrations show it is not but I'm sure I've seen fittings that have a reduction through the middle section - it might just be the on/off valves........
marcs
Last edited by marc s; 08-26-2016 at 11:44 PM.