Watlow Industrial Heaters, Temperature Sensors and Controllers
Louis Desloge Sr. founded Watlow in 1922 in a rented corner on the second floor of a machine shop in St. Louis, Missouri, making electric heating elements for the shoe industry. The name refers to the low-watt heaters that replaced steam heat. His son George Desloge invented the FIREROD cartridge heater in 1954. Watlow is still headquartered in St. Louis and designs and manufactures industrial electric heaters, sensors and controllers. Private investment firm Tinicum acquired a majority stake in 2021.
Watlow's lines cover electric heaters, including FIREROD cartridge heaters, temperature sensors such as thermocouples and resistance temperature detectors (RTDs), temperature and process controllers, and power controllers. A replacement heater is matched to the original by size, wattage and voltage.
Browse Lab Heaters & Heat Tape and Temperature Measurement. See also Omega.
Ships same or next business day from our Idaho warehouse. Selling online since 1999.
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