Quickly installed and adaptable to any structure, building block structure allows system to be expanded of broken down to accomplish large or small jobs by adding or removing components. Positive, no-fail watertight shielded connections, molded distribution blocks and mating plugs are molded to 600 volt insulated cable. Duraline systems use power from 230 or 460 volt AC source and convert it directly into heat by means of electrical resistance. Heavy Duty Heaters are designed expressly for heavy industrial use and provide years of trouble free use. Thermostatic control units are built to NEMA standards watertight-ness and outdoor use, under most conditions.

 Heaters do not include cords