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 …

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

Watlow is a global leader in industrial thermal solutions, specializing in the design and manufacture of electric heaters, temperature sensors, controllers, and supporting software.

You can turn to Watlow for reliable solutions for any application—we can even engineer custom solutions based on your needs. Check out our range of Watlow heaters, sensors, controllers, and …

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, 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 …

Watlow manufactures quality industrial heaters, process controllers, temperature sensors and software. Let Watlow assist you with all your heating and temperature control needs.