Watlow's cartridge heater portfolio includes the FIREROD® line, featuring the 5/8"FIREROD cartridge heater engineered for high-performance heating, consistent thermal transfer, and long-term reliability. Built with premium materials and tight manufacturing control, FIREROD® cartridge heaters deliver uniform temperatures, corrosion resistance, and efficient heat transfer across a wide range of industrial environments.

The FIREROD® cartridge heater line by Watlow has long set the benchmark in the industry for quality and performance in cartridge heaters. Designed to meet demanding thermal requirements, the 5/8" FIREROD® models feature advanced swaged construction for optimal heat transfer, uniform temperature distribution, and reliable operation in challenging environment. Each heater is built with the highest standards of material selection and precision engineering, reinforcing Watlow's reputation as a trusted cartridge heater manufacturer.