Then decide which one of three refrigerator water line connection options you will use: a regular tee fitting that is soldered, a compression tee fitting or a saddle valve. Plumbers recommend removing a section of the cold water pipe to solder in a regular 1/2-in. copper tee.
Refrigerator ice makers are attached to the main water supply pipe that leads to the kitchen.
Copper water lines supply your refrigerator with a steady stream the appliance uses to. If the connection continues to leak, you will have to replace the ferrule.
How to Install a Water Line for a Refrigerator Ice Maker. Automatic ice. Avoid over-tightening; you can crush the copper pipe if you apply too much pressure.
Cut the cold water line under the sink or in the basement and attach a copper T-fitting. Attach a water valve to the T-fitting. This will control the water flow and water pressure to the refrigerator. Be sure to put a gasket seal between the valve and the T-fitting.