Clack (V4099)-WS1 Proportional Valve Soften Hard Water2727 75" (10" standard) Port Size

75" (10" standard) Port Size 1/4" NPT male threads Thread Type Buttress threads Sump Material Clear (transparent) Cap Material White Material Certification NSF and FDA grade materials

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

High Flow Rate

Reversible design

creating vacuum that draws additives through the suction port

Clack (V4099)-WS1 Proportional Valve Soften Hard Water2727 75" (10" standard) Port SizeClack 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