Harwil controllers, relays, and interface modules that turn flow and level signals into dependable equipment control.
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Harwil CF-112N Chemical Feed Pump Interface Module Chemical flows when water flows. The Harwil CF-112N is a stand...
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Harwil CF-112VCR Chemical Feed Pump Interface Module Chemical flows when water flows. The Harwil CF-112VCR is a stand...
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Harwil LC-1 Liquid Level Controller Fill it or empty it, automatically. The Harwil LC-1 pairs any two Harwil...
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Harwil Series 27 Intrinsically Safe Relay Standard switches, hazardous areas. The Harwil Series 27 is an intrinsically safe...
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Harwil SDC-101 Shut Down Controller No flow, no power. The Harwil SDC-101 installs in the input power line...
