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Question DetailsAsked on 8/29/2013

Why can't you use a plastic line for refrigerator water? Installer required copper?

Plumber hooked up a new water line with plastic tubing. Delivery was made but they would not hook up the water saying that it had to be copper or they could not connect it? I don't see what the big deal is. I connected it myself and am enjoying water and ice. Has anyone ever heard this?

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    1 Answer


    Is against code in many areas, and many reefer installers will not connect to plastic for liability reasons and because they do not want callbacks - because plastic lines to reefers do not get a lot of water flow the plastic taste gets strong in the line, plastic lines have a reputation for cracking and leaking, they have a reputation for breaking at the fitting due to the minor but almost continual vibration of the reefer, and they are known to fail because of the water hammer effect - water dispensers and ice makers typically use very positive shutoff valves, so the line jerks every time it is used, weakening the connections at the back of the reefer. Also, many reefer manufacturers do not want the potential liability from the growing number of class action cases about plastic chemicals in drinking water.

    Pesonally, I would never install plastic in aspace where you cannot readily see if it is leaking - and behind or under cabinets is about as bad as you can get for not being able to see a leak until is is all the way under (and ruined) your kitchen floor and maybe the level below too.

    Just another case where plastic is easier and cheaper but not necessarily good practice.

    Answered 7 years ago by LCD

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