Insert the tip of your PEX about the end of your fitting. Slide the top on the PEX tubing that has the crimp ring or cinch clamp on it more than the end on the fitting that you screwed onto the copper tubing. Press it on in terms of it's https://jaidenmtydi.bloggip.com/30503485/the-greatest-guide-to-1-2-copper-90-degree-elbow