Harwil, Historically Reliable
Harwil Corporation manufactures electro-mechanical fluid flow and liquid level switches and controls. All designs are focused on producing simple, reliable, low cost solutions with broad operating flexibility in a multitude of physical, thermal and chemical operating environments.
Market Leaders
Harwil is a leading manufacturer of fluid flow and liquid level switches and controllers. Chillers, water purification, ozone, cooling towers, pool and spa manufacturers are among the industries that turn to Harwil for solutions.
Relentless Innovation
From our innovative temperature sensing flow switch, to our unique single-point level controller (which eliminates costly latching controllers and multiple level switches), Harwil is continually bringing innovative solutions to many industries.
Our Focus: Reliability and Quality
It’s not uncommon for our brass and stainless steel products to operate flawlessly for 20 years or more. We have flow and level switches with no seals to leak, no slides or wheels to stick.
High Value
All Harwil products are low cost and very reliable, making their real value higher than our competitors’ products.
Made in the USA
Harwil products are manufactured locally in the United States, giving us tighter control over quality, and shorter lead times than our competitors.