How long can you run a refrigerator water line?

There is no maximum length, you can run the line as long as needed to reach a main water line. You can also use 1/4 O.D. (outside dimension) copper tubing with a flared end, approximately 8 ft coiled into 3 turns that are 10 in diameter.

Can you reuse refrigerator water line?

Photo 4: Attach water line to fridge You can replace your plastic water line with a copper tee fitting, a high-quality shutoff and a braided steel supply line in a half hour—and never have to worry about leaks again. Close the shutoff and turn the house water back on to check for leaks.