Copper Tee, Copper Piping, Copper Pipe, Plumbing Fittings, Plumbing Pipes, Pipe FittingsWhen an ice maker or refrigerator water line was not run at the construction phase, tapping into an existing line is one option. This type of connection is not the most dependable. This particular connection began to leak after being bumped into during an alarm installation. Mock Plumbing replaced the fitting and advised this customer to consider hard piping with a copper tee for a more permanent solution.