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Get a new ice maker up and running quickly and easily
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An ice maker is a great addition to any kitchen and can be simple to install with the right materials. Attach copper tubing to your cold water pipe to create a dedicated cold water line for your new appliance. Run this line to the back of your refrigerator or under-counter ice maker and secure it with a compression joint. Be careful during the installation process to prevent water damage, contact with electric wiring, or damage to other plumbing.

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Method 1
Method 1 of 3:

Installing a Dedicated Cold Water Line

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  1. To install an ice maker you will have to tap into the closest-located cold water pipe. Find this cold water source, which may be found under a sink, below the floor, or in a wall. If you need to drill through the floor or wall to reach the pipe, it is best to hire a professional who will know how to avoid wires, ducts, or other plumbing. [1]
    • If you do not know where the pipe is located, ask your contractor, a former resident, or landlord.
    • You will need to install a cold water line for either a refrigerator ice maker or an under-counter ice maker.
  2. Turn off the main water valve before starting your project by turning it clockwise. This valve will likely be located on a perimeter wall of your home, in your basement, or near an outdoor water meter. Open the cold water faucet to let water drain out of the pipe. [2]
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  3. A saddle valve is a valve that hugs a water line on both sides and supplies a low pressure stream from it. Wipe the area of your cold water pipe that you will attach the valve onto with a clean, wet cloth. Place a saddle valve onto the pipe and tighten its clamps so that it grips the pipe.
    • You can purchase a saddle valve at any hardware store.
  4. Slowly turn the handle of the valve in a clockwise direction. When you meet resistance, keep turning the valve firmly. Continue until the needle pierces through the pipe.
    • You will feel less resistance once the needle pierces through the pipe.
  5. Place 1 end of your copper tubing into the valve opening. Screw on a small compression joint to secure the connection. Measure the distance between your ice maker and the cold water pipe before purchasing the copper tubing to get the appropriate length. [3]
    • Add an extra 6–8 feet (1.8–2.4 m) of tubing to allow for cleaning and maintenance. [4]
  6. Once you have attached the saddle valve and copper piping, you can turn your water back on. First, make sure all of your connections are secure. Turn the main water valve counterclockwise to turn the water back on.
  7. Gently turn the handle on your saddle valve counter-clockwise to open the valve. Direct the end of your copper tubing unto a large bucket. Let enough water flow through to fill the bucket, then close the valve. [5]
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Method 2
Method 2 of 3:

Hooking Up a Refrigerator Ice Maker

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  1. If you are hooking up a refrigerator ice maker, find where it is located on the appliance. If you have a model of refrigerator that is 10 years old or older, the ice maker, including the part that hooks up to the copper tubing, is likely to be located in the freezer. If you have a newer model, it may be located in the refrigerator door. [6]
  2. Pull your fridge out to access the back of it. Depending on where you accessed your cold water pipe, carefully run the water line towards the back of your fridge. Avoid leaving the tubing somewhere it might get damaged, stepped on, or crushed. Try to run it flush against the bottom of your walls or cabinets where it is most likely to be safe. [7]
    • Coil extra tubing neatly behind your fridge.
  3. Compression fittings are fittings comprised of an outer nut and inner ring that join 2 pipes together. Ice makers will often come with the appropriate compression fitting for the cold water outlet. Follow the instructions on your manual to attach the piping properly, as refrigerator and ice maker models vary . [8]
    • If your ice maker does not come with the appropriate piece, consult the refrigerator manual to see what size fitting you should use.
  4. Avoid leaving the copper tubing hanging behind your fridge. Clip it firmly to the side of the fridge using 0.25-inch (0.64-cm) wide nylon cable clamps every 2 feet (0.61 m). Use a screwdriver to secure the clamps with standard No. 10 screws. [9]
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Method 3
Method 3 of 3:

Installing an Under-Counter Ice Maker

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  1. Using a tape measure, find out the height, length, and width of the space you have chosen to install your ice maker. This will help you narrow down what model of ice maker to purchase. To allow for proper ventilation, plan to leave a clearance of at least 5 inches (13 cm) between the back of the cupboard and the machine.
    • You should also leave a clearance of 2–3 inches (5.1–7.6 cm) between the top of the counter and the machine, and the same between the sides of the enclosure and the machine.
    • An ice maker would be well-located under your kitchen cabinet to the side of your sink or refrigerator.
  2. Under-counter ice makers are available in a large range of sizes with different production and storage capacities. Determine your budget before shopping, as they can range in price from $250-$5,000. Smaller models generally yield less ice and are less expensive.
  3. A drain pump is a pump that pulls waste water away from different sources, including ice makers, and brings it to a kitchen drain. Most models of ice maker come with a drain pump installed, which makes the installation of an extra, gravity drain unnecessary. Invest a bit more money in your ice maker to make sure it has a drain pump installed, which will ensure that it functions better, requires less installation work, and is less likely to leak.
    • You can purchase an ice maker at a hardware store or department store.
  4. Run your cold water line from the pipe to the back of your under counter ice maker. Gently insert the copper piping into the fixture on your ice maker. Carefully tighten the compression fitting to secure the connection.
    • To make this connection simple, drill dime-sized holes into the sides of your cupboard with an electric drill to easily thread the copper tubing through it. Wear safety goggles and gloves to protect your eyes and hands from any wood particles that may fly into the air while you do this.
  5. Under-counter ice makers are typically very heavy, so have a friend or family member help you move it if necessary. Once the cold water line is attached, lift the ice maker and gently fit it into its designated spot. As you move the ice maker, be sure to slowly pull the piping out through the holes in the sides of your cupboard to keep it from getting stuck under the machine.
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Expert Q&A

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  • Question
    How do I properly apply a pipe joint compound?
    David Balkan
    Professional Plumber
    David Balkan is a Professional Plumber, CEO of Balkan Sewer and Water Main Service, and President of Balkan Sewer and Drain Cleaning. As a hands-on owner of these companies for over 40 years, David is knowledgeable about water service lines, sewers, and drain line issues. David is a Committee Chairman of the Master Plumbers Council and has sat on the Executive Committee of the Sub Surface Plumbers Association of New York for over 30 years. His knowledge and solution-oriented approach contributed to Balkan Sewer and Water Main Service being the largest and most trusted service in New York City and the recipient of the 2017 Angie’s List Super Service Award.
    Professional Plumber
    Expert Answer
    To use pipe joint compound properly, apply it directly to the exposed threads on a pipe rather than attempting to insert it into a bend or on the receiving part of the pipe material. Typically, you should choose the best compound for the job. You can opt for a plumbing compound with Teflon already included. Teflon, when wet, expands and effectively seals leaks.
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      Things You’ll Need

      Installing a Dedicated Cold Water Line

      • Wet, clean cloth
      • Saddle valve
      • 0.25 inches (0.64 cm) copper piping
      • Compression fitting
      • Electric drill

      Hooking Up a Refrigerator Ice Maker

      • 0.25 inches (0.64 cm) wide nylon cable clamps
      • Screwdriver
      • Standard No. 10 screws
      • Compression fitting

      Installing an Under-Counter Ice Maker

      • Measuring tape
      • Compression fitting
      • Electric drill

      Expert Interview

      Thanks for reading our article! If you’d like to learn more about installing kitchen appliances, check out our in-depth interview with David Balkan .

      About This Article

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