Watlow is the largest custom designer and manufacturer of industrial electric heaters, sensors and controllers; with offices and manufacturing facilities around the world.
Watlow brings its thermal expertise to numerous applications, including semiconductor processing, energy
processes, diesel, food service equipment, life sciences and others.

Watlow has a wide range of heater products that can be configured to address many applications. With over 85 years of experience developing and manufacturing electric heaters, Watlow is able to provide a complete thermal
solution to your application.

Cartridge / Insertion Heaters, Tubular Heaters, Flexible Heaters, Immersion Heaters, Circulation, Heaters, Fluid Delivery Heaters, Air Heaters, High-Temperature Heaters, Specialty Heaters, Strip / Clamp-on Heaters, Band / Barrel Heaters, Nozzle Heaters, Radiant Heaters, Thermostats and Accessories, Heater Selection Guide