Harwil Corp.

Harwil has manufactured low-cost, highly-reliable flow and level switches for over 50 years. Our mission is to help companies succeed by providing them with extremely cost effective and reliable products with the quickest shipments in the industry.

Our products are very versatile, giving us the ability to cover many different industries. We currently supply the Pool and Spa, Water Heating/Cooling, Irrigation, Pump and Tank Manufacturing, Water Treatment, Carpet Cleaning, Geothermal, Heavy Equipment, and Pressure Washer Industries, with many more on the way.

The materials utilized in the manufacturing of our products allow us to be used in virtually any fluid, with temperature ranges up to and including 250°F (121°C); as well as pressures reaching 300psig. Simply tell us the type of environment your system contains, and we will work with you in deciding what materials are most suitable.