Clack (V4099)-WS1 Proportional Valve Soften Hard Water2727 Meter-based regeneration only when needed

Meter-based regeneration only when needed reduces salt consumption and wastewater compared to timer-only systems

} Pentek MicroGuard Technology

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

If your RO system runs slowly or you notice high TDS creep over time

High Flow Rate

Clack (V4099)-WS1 Proportional Valve Soften Hard Water2727 Meter-based regeneration only when neededClack 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