When customers order water to an office or other public institution, they often install a cooler, which can be used by a large number of people. However, it is not always appropriate to purchase such a bulky equipment for an average apartment. So, here comes another popular device – a water pump. You can buy it from your water supplier and do not waste your time on searching for it; it is easy and quick to install, inexpensive and durable. In this article, we will describe what the pumps are, how to use them and whether you can or not do without them, if you buy bottled water.