Immersion Heaters consist of tubular heating elements immersed into the fluid. Immersion heaters are very efficient and cost effective since all energy that is generated is dissipated directly into the medium which is being heated. Electric Immersion Heaters are used to heat fluids such as water, oil, and chemical solutions, electroplating and salt solutions. Since some of these fluids can be quit chemically aggressive, the sheath material needs to be carefully chosen. The most common sheath materials are stainless steel 304, 316, Titanium and quartz. Besides choosing the correct sheath material, vicious chemicals may also require to lower the watts per square inch on the heating element.