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12001 Lackland Road
St. Louis, MO 63146-4039
About Watlow
  • Watlow designs and manufactures industrial heaters, temperature sensors, controllers and supporting software – all of the components of a thermal system. Watlow provides best-in-class engineering expertise and leading thermal products that enable customers to thrive.

    Since 1922, Watlow has grown in product capability, market experience and global reach. The company holds more than 450 patents and employs 2,000 employees working in nine manufacturing facilities and three technology centers in the United States, Mexico, Europe and Asia. Watlow also has sales offices in 16 countries around the world. The company continues to grow, while the commitment remains the same – to provide its customers with superior products and services for their individual needs.
Competitors of Watlow
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Products by Watlow
  • High Temperature Heaters

    Watlow is the leading innovator of high-performance heating technologies. These technologies range from the ULTRAMIC® advanced ceramic heater that delivers ultra-fast ramp rates in a small, clean package to the MULTICELL heater that offers independent zone control for precise temperature... Read more
  • Thermocouples

    Watlow provides over 85 years of manufacturing, research and product development for your temperature sensing needs. Watlow manufacturers a tremendous selection of general application, mineral insulated metal sheathed, base metal, high temperature, surface temperature and multipoint... Read more
  • Resistance Temperature Sensors

    Watlow's platinum resistance elements are specially designed to ensure precise and repeatable temperature measurement. Watlow RTDs and thermistors are accurate, sensitive, interchangeable, standardized and repeatable. Read more