POLYMERIC RESISTANCE HEATING ELEMENT

摘要

Polymeric heating elements (10) and water heaters containing these elements utilize heating elements (10) which include an electrically conductive resistance material (14) capable of heating fluid when energized. The elements (14) are helically wound and insulated and protected by a polymer layer (30) integrally disposed over the resistance material (14). The elements (10) are lightweight, inexpensive, and minimize galvanic corrosion and lime deposition without sacrificing heating capacity.