Watlow is a designer and manufacturer of complete industrial thermal systems.
It has 12 manufacturing facilities and five Advanced Technology and Development Centres in the Untied States, Mexico, Europe and Asia.
The terms of the transaction were not disclosed.
Eurotherm is a provider of temperature, power and process control, measurement and data management equipment, systems, software and services for global industrial markets.
The company employs about 650 people worldwide, with headquarters in Worthing, UK and core manufacturing operations in Ledziny, Poland.
Rob Gilmore, Watlow’s CEO, said: “We are excited about Watlow and Eurotherm and all we will accomplish together. This acquisition aligns with our vision of providing innovative thermal products and technologies that help increase our customers’ competitive advantage.
"The combination of Watlow and Eurotherm products and technologies will create new global opportunities for our collective customers and allow us to focus our advanced thermal systems in important areas.”
Eurotherm said Watlow's industrial technology and its own precision control would offer complete thermal control loop solutions.
It continued that with thermal processing accounting for 70% of all industrial energy used and digitisation becoming ever present in the industry, that it was looking forward to future innovations.
Watlow will establish Eurotherm’s sites in Worthing, UK and Dardilly, France as Advanced Development Centres for its electronics and controls product offering.
It also plans to invest in Eurotherm’s facility in Poland to become Watlow’s Manufacturing Centre of Excellence in Europe.
This additional capacity and capability also provide a path to growth in other parts of the world including the Americas and Asia.