Eccotemp EZ-Flush System Descaler KitThe Eccotemp EZ FLUSH System Descaler Kit is the answer to any water scale, lime, or rust deposit build up in virtually any piece of water based equipment. The EZ FLUSH system has been designed to work seamlessly with Tankless Water Heaters and is compact for easy use and storage. It includes our Eccotemp Descaler that is specifically made to dissolve the toughest build up and is a non toxic concentrate which is certified to NSF ANSI 60 for use as a