Flanged immersion heaters are one of the most widely used methods for commercial heating of gases and liquids, such as water, oil, heat transfer fluid, and corrosive solutions. Designed for use in tanks and pressurized vessels, they are easy to install and maintain to provide heat for many processes. The direct immersion method is energy efficient and easily monitored and controlled. Flanged immersion heaters are used in a wide variety of applications, such as hot water storage tanks, warming equipment, preheating oil, food processing equipment, cleaning and rinsing tanks, heat transfer systems, process air equipment, boiler equipment, and freeze protection.