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Harwil Corp.

Harwil Corp.

For over 30 years, Harwil has continued to make switches chosen by nearly every pool and spa component manufacturer in the industry.
The legendary Q-12 flow switch can be used in ¾ to 2-inch pipe and is capable of detecting even the lowest flow rates. The Q-12 flow switch is used in almost every salt chlorinator to ensure sufficient flow before the plates are energized. A thermistor option can be added to give your unit the advantage of temperature sensing.
Harwil flow switches are used in spas to keep heaters from running in unsafe conditions and protecting the users & their equipment. The Harwil Q-8 flow switch is used in high flow and/or below ground systems, to control UV and OZONE systems, turning on when conditions are ideal. The CF-12 and CF-8 are used to control chemical feed pumps for residential and commercial pools.


Address: 541 Kinetic Dr.
Oxnard, CA 93030
(805) 988-6800
(800) 562-2447
(805) 988-6804

Kyle Acres



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