So Many times our customers ask us about the differences and uses of the 2 pumps, The Extra Deepwell Hand Pump and the Normal Mark 2 handpump. Basically the short answer is this : Extra Deepwell is a version of Mark 2 hand pump which is suitable for a water table depth of 50 to 90 meters whereas the normal mark 2 works from a depth of 15 to 50 meters. The Main  design differences in the pump lie in the following areas : The Pump Head Assembly: The Head Assembly of the extra deepwell is broader , the stand assembly is taller and the handle is thicker. Beyond 60…