A refrigerator with an automated ice maker and a built-in water dispenser does absolutely nothing if you do not have a water line to connect to it. You can solve this with an ice maker installation kit that allows you to use the plumbing beneath the sink. The kit provides you with the required parts to hook up a water line to your refrigerator. Find your water supply lines beneath your sink. You may have three water supply lines beneath the sink; two lines connect directly to the faucet while the third line connects to the dishwasher.
Here is a step-by-step water line installation refrigerator guide. A new refrigerator with a water dispenser and ice maker needs to be hooked up to a COLD water line. Usually behind where a refrigerator is installed, there will be a water valve that you can use to hook cold water to your fridge. If there is no water valve behind your fridge, you will have to run a water line to the closest cold water pipe to get your refrigerator access to water. You may have a cold water pipe either behind the wall where the fridge is or possibly in the floor under the kitchen. You will need to locate where the cold water pipe is, drill to access it, and install a water valve and flexible water tubing. This usually will take an hour and a half or so to complete.
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Make sure the water dispenser tube assembly has been properly reconnected. Insert the tubing into the fitting until it stops and the outer ring is touching the face of fitting. Insert the tubing firmly into the fitting until it stops. Close the clasp around the tubing.
If you need to check if your line is frozen, simply remove the kick plate off the bottom of the fridge then unhook the water line just under the left door. Simply pull the two blue tabs apart to unhook the line. Place a cup under the line going towards the back of the refrigerator then activate the water dispenser.