Clack (V4099)-WS1 Proportional Valve Soften Hard Water2727 01 calibration solution manufactured to

01 calibration solution manufactured to ISO 3696/BS3978 standards for laboratory-grade accuracy in your water testing protocols

Tested and certified by the Water Quality Association to NSF/ANSI Standards 42 and 372

creating vacuum that draws additives through the suction port

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Clack (V4099)-WS1 Proportional Valve Soften Hard Water2727 01 calibration solution manufactured toClack Commercial Control Clack V4099 WS1 Proportional Mixing Valve External in line blending valve for precise hardness or chlorine adjustment on Clack 1" and 1. 25" control systems 1" & 1. 25" Clack Systems Proportional Blending Softener & Carbon Compatible WHY IT WORKS Controlled blending for real world water chemistry Proportional Control Adjustable mixing valve allows you to dial in the exact ratio of treated to raw water, whether you're