The Type HLP is a heavy duty cartridge heater developed by Herbst Beheizungs-Technik. It is specifically built with stainless steel cartridge construction suitable fro AC operation. In addition, the framework is available with screw-in nipple, thermocouple, and Pt100 sensors. It is also available with other lengths and heating capacities, unheated zones, voltages, materials and thread sizes upon request.