The ice maker water line location varies from rig to rig. My 370FB had already been connected to the refrigerator, so no removal of the refrigerator was necessary. The hose, with compression nut, was near a conventional ice line shutoff valve located in the back of the lower cabinet next to the stove. It was behind a panel secured by two screws into the floor. There is a shut off valve located under the sink that sources the second shutoff valve. I don't know the specifics of your model, but this may help you locate yours.