1 1/4" Head Heaters are heating elements with threaded head (1 1/4" connection head) generally used in tanks, boilers, water heating systems and industrial liquid heating applications. It is produced from stainless steel or Cr-Ni material and is resistant to high temperature, pressure and corrosion. Thanks to its screw structure, it is easy to install and provides a leak-proof connection. It is an ideal solution for heating water, oil and various chemical liquids with its energy efficiency, long life and reliable performance.