It is a machine that cools or heats up and dispenses water with a refrigeration unit. It is commonly located near the restroom due to closer access to plumbing. A drain line is also provided from the water cooler into the sewer system. This product offers any workplace an unlimited supply of filtered, safe drinking water by plumbing into your existing supply. Users can place a cup, bottle, or jug beneath the faucet, then push a lever or button to fill their glass.