A water filter on an ice maker removes contaminates from the water supply. The result is better tasting ice and reduced flow of particles, such as copper, that can build up in ice maker supply lines over time and cause a blockage. An inline water filter for an ice maker can be small enough to fit on the back of the refrigerator or a larger unit that is attached to the supply line at the water source. Each size has the same general requirements for installation.
Things You'll Need
- Tape measure
- Small pipe cutter or sharp shears
- Water filter unit
- Filter for unit
Turn off the water supply at the saddle valve connected to the feed pipe, which is usually in the basement or under the sink.
Hold the water filter in position next to the water line for the ice maker. Mark the supply line with a permanent marker where it is next to the bottom of the top outflow valve. Cut the line with the pipe cutter, or sharp shears if the line is soft plastic, 1 ½ inches below the line.
Push the ice maker supply line onto the top, or outflow valve, of the water filter unit until it seats into place. If the fitting on the water filter has a nut and a wide washer, push the nut and then the washer onto the supply line before pushing it into the fitting. Press the washer into position and tighten the washer to the supply line by tightening the nut on the water filter unit with a pair of pliers.
Secure the unit to a wall, joist, back of the refrigerator or other stable surface depending on the location of the water filter unit.
Position the water supply line next to the water supply valve of the water filter unit. Trim the line so it will be long enough to seat properly into the water supply valve on the filter unit.
Press the supply line into position on the supply side of the water filter unit. If the connection uses a washer and nut, slide the nut and then the washer onto the water supply line before pressing the line onto the filter unit. Slid the washer into position and tighten the nut to the filter unit.
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