4 to 70 GPM Detects and Signals Flow Change Superior Long Term Performance Continuous Adjustment While Operating Line Pressure to 300 psig Temperature 180°F...
0.12 to 8.0 GPM Detects and Signals Flow Change Superior Long Term Performance Continuous Adjustment While Operating 6 Interchangeable orifices plus 2:1 cont...
Small size and easily installed, the versatile Q-12N fluid flow switch detects changes from 1 GPM in ¾ inch pipe to 590 GPM in 8 inch pipe or greater....
The hot, new innovation from Harwil Corp combines the functions of temperature sensing and fluid flow switching. The newest switch senses temperatures from 0...
Submersible and easily mounted from top or side, Harwil Corp’s L-40 N (Noryl) and L-40 VCR (Fortron - for corrosive fluids) reliably signals fluid level...
For medium slurries, particulate and corrosive chemical solutions, the L-30 Liquid Level Switch from Harwil Corp can dependably control pumps, alarms, or...
When designing an ozone generator, a well water purification system, or a UV water purification system, the flow switch needs to fit the pipe size, trigger...
When the water’s too hot, shut off the heater! Or, sound the alarm! The newest product introduction from Harwil Corp, the Temperature Sensor, signals a...