Cartridge Heaters

Backer Marathon Heater’s HotRod swaged cartridge heaters are the industry standard. They are designed and manufactured for temperatures up to 1600°F. In addition to their swaged construction heaters they offer non-swaged heaters for applications up to 800°F and square cartridge heaters. Choose from one of their thousands of in stock models or let their engineers design a custom heater for your application.