Insert the tip with the PEX about the end with the fitting. Slide the end of your PEX tubing which has the crimp ring or cinch clamp on it more than the tip from the fitting that you simply screwed on to the copper tubing. Press it on so far https://bot-trades20730.blogthisbiz.com/37295696/the-fact-about-1-2-copper-street-90-that-no-one-is-suggesting