This part can then be worn, crushed or broken. To find out if the problem is coming from there, simply fill this tank and see if any water is leaking from the joint below. Seal Maker - FSP This is an animated dialog which is useful for displaying information. Coffee makers, especially espresso machines, can lose water due to a defective seal on the bottom of the tank. Product 1: SAVE MORE, WASTE LESS: Food preserved with the FoodSaver System in the freezer can last up to 3 years and still taste fresh, flavorful, and freezer-burn free. Seal Maker is a global manufacturer of high-quality plastic and elastomer semi-finished products, as well as CNC lathes and seals that are used in all types of industrial sectors.