The Refrigerator Water Line Installation Kit supplies water to your appliance?s icemaker. This kit includes (1) 7' L industrial braided flexible hose and (1) brass union. Please check your appliance's use and care manual to ensure this is correct for use with your appliance. Replacing this kit will require basic hand tools, but no disassembly of the appliance or repair experience. You must unplug the refrigerator or shut off the house circuit breaker for the appliance before installing this Accessory. Also make sure you turn off the refrigerator?s water supply before you begin.