Insert the top of your PEX around the tip from the fitting. Slide the top of your PEX tubing which has the crimp ring or cinch clamp on it in excess of the end with the fitting which you screwed onto the copper tubing. Push it on so far as https://copper-fitting13287.blogripley.com/32734040/how-much-you-need-to-expect-you-ll-pay-for-a-good-copper-female-adapter