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[[Image:EMAS1.jpg|thumb|right|200px|An EMAS pump at the WOT, University of Twente [http://www.wot.utwente.nl], the Netherlands.]]

[[Image:diagram installation.jpg|thumb|right|200px|Diagram of a set of water faucets around the house]]

The EMAS pump (also called the EMAS Flexi pump) is a very cheap PVC piston pump for family use, which can both pump water from a well and pump it to an elevated point. For example, it can pump water from 20 meters underground directly to an elevated tank another 20 meters above the ground level. The ability to pump directly to a storage tank avoids handling of the water, which avoids contamination.