How to Install a Water Line for a Refrigerator Ice Maker

Written by patrick nelson
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How to Install a Water Line for a Refrigerator Ice Maker
Drill a ¼-inch hole for the non self-piercing type and clamp the saddle into place. (Electric drill with a drill on a white background image by terex from Fotolia.com)

Water lines can be run to a combination refrigerator ice maker and water dispenser by using a saddle valve. A saddle valve, as its name suggests, simply lies over an existing cold water pipe, a hole is pierced in the existing pipe through the saddle and then the refrigerator ice maker water line spurs off the saddle. The connection is made with compression nuts.

Skill level:
Easy

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Things you need

  • Ice maker saddle valve
  • Length of ¼-inch outside diameter copper tube
  • Compression nuts
  • Drill with ¼-inch bit
  • ¼ x ¼-inch coupling
  • Wrench

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Instructions

  1. 1

    Turn the fridge off. Find the main water supply valve for the home and turn it off. Drain water from the cold water line nearest the fridge by opening the sink faucet. Allow the water to dribble out and then close the faucet.

  2. 2

    Establish where to place the saddle. It's best on a vertical pipe because sediment will have a harder time collecting. But, you can put it on a horizontal pipe if you have to. There are a few kinds of saddles---self-piercing and the type that need to be drilled. Drilling is best done into a vertical pipe for drip reasons.

  3. 3

    Establish where to place the saddle. It's best on a vertical pipe because sediment will have a harder time collecting. But, you can put it on a horizontal pipe if you have to. There are a few kinds of saddles---self-piercing and the type that need to be drilled. Drilling is best done into a vertical pipe for drip reasons.

  4. 4

    Connect the copper tubing to the saddle valve. The saddle valve end will use a compression nut. Turn the compression nut until it's hand-tight. Then turn it one more time with the wrench. Don't over-tighten it---it will leak.

  5. 5

    Perform the refrigerator connection. Either use a compression nut, or remove the nylon plug from the water tube on the back of the fridge if it has one and connect your tube to a ¼ x ¼-inch coupling. Connect the coupling to the grey water tube tightening by hand and then with a wrench. Again, don't over-tighten.

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