Cartridge / Insertion Heaters

Watlow designed and manufactured the first swaged cartridge heater and revolutionized the heating element industry.

 

With premium materials and tight manufacturing controls, Watlow's cartridge/insertion heaters provide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures. Customers benefit from Watlow's custom designs, on-time delivery, quality and technical assistance.