Originally Posted by
Lee in Richmond
I have never even heard of this! Also, can anyone tell me why a manufacturer would say that using distilled water may void the warranty?
Distilled water doesn't have any minerals in it, so it doesn't steam as well as tap water. More importantly for the manufacturer, the lack of minerals will make distilled water slowly dissolve the metal components of the iron. This corrosion can dramatically reduce the life of the iron.