Siphoning has been used for centuries, because its mechanism has many applications [2]. For example, it is used in the flushing of household toilets, the fermentation of beer and wine to keep undesired particles away from the final container, the irrigation of cotton fields, the facilitation of the drainage of rain water from roofs, increasing the flow rates in the spillways of dams, the operation of rain gages that empty automatically and even in the circulation of blood above the human heart [2].