Decide what tubing material you want to use for your water supply line. The tubing should have a diameter of 1/4-inch and can be copper line, braided steel line or plastic tubing. Many professionals prefer copper line, but plastic tubing is commonly sold as part of ice maker installation kits.

What is ice maker tubing made of?

Copper and plastic are two common materials for an ice maker water line, which is vital for refrigerators with water dispensers and ice makers. Both copper and plastic are suitable materials to get the job done; however, they both have their pros and cons.

What size is ice maker tubing?

1/4-inch The tubing should have a diameter of 1/4-inch and can be copper line, braided steel line or plastic tubing. Many professionals prefer copper line, but plastic tubing is commonly sold as part of ice maker installation kits.