Watlow manufactures industrial heaters, sensors, and controllers for a variety of applications. We offer best-in-class engineering, standard products, and custom-designed solutions for high-volume orders.

In 1922, Louis Desloge Sr. of the Desloge family founded Watlow in a rented corner space on the second floor of a machine shop in St. Louis, Missouri, and began manufacturing electric heating …

The online Watlow SELECT product configurator allows you to tailor products to your unique needs. Many SELECT products come with online documentation such as user guides, installation manuals …

Big Chief is an authorized distributor of Watlow products. We now offer Watlow Temperature and Process Controls, Power Switching Devices, Limits and Scanners, Cartridge and Insertion Heaters, …

Watlow is passionate about pushing the boundaries of what’s possible in thermal technology. Whether designing heaters, sensors, or integrated control systems, the company thrives on tackling complex …

Watlow is the largest industrial heater manufacturer in the market, designing products that optimize thermal performance, decrease design time, and improve efficiency.

Watlow offers the most complete product line in the industry. With more than a quarter of a million designs on file, Watlow has the heater, sensor, or controller to meet your needs.

Watlow is the leader in design and manufacturing of industrial heaters, sensors and controls. Watlow provides single source performance accountability by creating all thermal system components.

As a world-class industrial technology and thermal products leader, Watlow designs and manufactures heating solutions consisting primarily of electric resistive heaters, temperature sensors, temperature …

Watlow, founded in 1922 and headquartered in St. Louis, Missouri, designs and manufactures electric heaters, temperature sensors and controls that are used in a variety of industries including the …