How tight should a 1in copper union be tightened?
I have 2 that I have tried to tighten to no avail.
Still very small leak under air pressure test of 40psi.
I did sweat a threaded adapter to the union.
The seal looks clean but dis-colored.
Is there a way to lap the two matting surface's together?
I have 2 that I have tried to tighten to no avail.
Still very small leak under air pressure test of 40psi.
I did sweat a threaded adapter to the union.
The seal looks clean but dis-colored.
Is there a way to lap the two matting surface's together?