One of commonly used pumps for carpet and upholstery cleaning machines are Aquatec diaphragm (membrane) electrick pumps. At our carpet cleaning workshop I would like to show you how to recognize issue of inneficient pressure coused by Valve/Diaphram Assembly damage. Also to demonstrate two examples of faulty Valve Housing Assembly (VHA) and how good healthy VHA should look like. To avoide this issue and extend lifespend of the pump and its parts make sure to operate withing recomended presure range by Aquatec. To find out more about Aquatec pumps please check http://aquatec.com/