This Refrigerator Ice Maker Installation Kit connects the house water supply, to the refrigerator for ice maker and water dispenser operation. This kit includes 15-ft of copper tubing, (1) saddle valve, teflon tape, and (1) tubing connector. It can be used to replace the ice maker in many standard refrigerator brands and models; check to see if your model number is compatible. The installation of this accessory is estimated to take 40-50 minutes. Be sure to unplug the refrigerator or shut off the house circuit breaker for the appliance before installing this kit. You must also turn off the water supply to the refrigerator before installation.