Unscrew the connector using locking pliers and purchase a cap or plug that will fit it. Its easy to install the cap — just screw it on. Once its tight, turn on the water to make sure it doesnt leak, then turn the water off again, and youre ready to plug in the refrigerator and push it back against the wall.

How do you cap a fridge water line?

To cap the water line from your fridge, you will need a piercing water saddle tap valve. To use the valve, attach it to the end of your water line. Use a wrench of you need to tighten it at all. Turn it clockwise so that it is all of the way in.

How do you cap a copper water line for a refrigerator?

1:162:19How to Cap a Copper Plumbing Line : Plumbing Help - YouTubeYouTubeStart of suggested clipEnd of suggested clipWhen youre installing the end cap. So well take the black piece of plastic. Set it right insideMoreWhen youre installing the end cap. So well take the black piece of plastic. Set it right inside the pipe. And just press it on. And you hear a definite click and you can feel it hit back in here.

What size is a fridge water line?

1/4 inch Most flexible copper refrigerator water lines have an outside diameter of 1/4 inch. Most flexible plastic water lines for refrigerators come with outside diameters of either 1/4 inch or 5/16 inch, reveals Darrins Plumbing Tips.