How to Install a Water Line for a Refrigerator Ice Maker


Imagine the convenience of having cold water and ice cubes anytime you want them, especially on a hot day. You may have a refrigerator with a built-in water dispenser but if you don’t have a water line to connect it to, then it’s no use. Fortunately, running an ice maker water line is such an easy process.

This article will show you how to install a water line to your refrigerator. With a little patience, you can do it on your own.

  1. The first step is to locate a cold-water supply that runs closest to where the refrigerator will be installed – perhaps beneath the sink. Here, you may find 3 water supply lines: one connects to the dishwasher; while two lines connect directly to the faucet. The cold line should be the one on the right side.
  2. Once you’ve identified the supply line, turn in it off. Simply turn the cold water supply line clockwise to close it.
  3. Drill holes through the base cabinet sides and thread the tube from beneath the sink to rear of the refrigerator. Be sure to keep the tubing behind drawers and above storage areas to prevent tube damage.
  4. Route the tubing and attach it to the refrigerator’s water pipe. Make sure you have extra tubing coiled behind the refrigerator.
  5. The ice maker kit includes a valve and a clamp. You need to install the valve on the cold water line under the sink. Place the clamp over the water line and close it around the pipes. This will pierce through the copper tube so that water will flow through the valve. Tighten the screws on each side of the clamp.
  6. Slide the nut and ferule at the end of the line and attach it to the valve. Tighten it with an adjustable wrench.
  7. Turn on the cold water supply and check for leaks. Tighten the connections if there are leaks.
  8. Flush out several gallons of water to purge the line of all the air and make sure it is clean and ready to use.