Flow and Level Switches

Low-cost, reliable fluid flow and liquid level switches have been Harwil’s specialty for more than 50 years. The company manufactures a variety of switches and controllers in brass, stainless steel and engineering plastics for use with corrosive liquids, particulate-dense fluids and contaminated wastewater. The company serves the specifications of OEMs and designers to make devices that are historically reliable.


541 Kinetic Drive
Oxnard, CA 93030
United States