Hey, what is the best way of connecting to the 1/2 inch female thread on a flexi tap connector? I know a service valve will do it, but I could do to put two service valves before the mixer valve so don't realy what/need two more before the tap.
A lot of merchants use manufacturer-specific codes as a generic system:
Yorkshire:
3 - male iron
2 - female iron
12 - elbow
Conex:
302 - male iron
303 - female
401 - elbow
etc.
The OP is correct in saying a copper to male iron adaptor is a number 3.
OP, what exactly are you trying to do?
The threaded nut normally goes on the theaded tail of a tap.
If you want compression both ends these are available from all good plumbers merchants.
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