ok i got the gauges and the reducer, now i need help.
i need a 3/4'' female sleeve with threads on the inside at 1/4''
then i can soder the sleeve in it and thread the psi gauge in that.
any idea what that part is called. guess it would be just like heli coil
but i am sure there is a name for it. i just dont know the name. so i need help.