I have a 1/2 x 15mm flexi tap connector and the tap connector end is fitting straight onto the top of a 15mm isolation valve .
Then I have a 3/4 x 15mm flexi tap connector but the tap connector end will not fit onto the top of a 22mm isolation valve.
Why ?
Then I have a 3/4 x 15mm flexi tap connector but the tap connector end will not fit onto the top of a 22mm isolation valve.
Why ?