Clack WS3 Control Valve

Product Description

The commercial/industrial line of control valves was also developed with direct input from customers and incorporate many of the features proven in the residential line of valves. The WS3 provides flow rates up to 250 GPM.

In 2001, after years of development and extensive field testing, Clack introduced its first line of residential control valves. The goal was to design a family of control valves for the water treatment professional that covered the greatest range of applications, while having the greatest commonality of parts. All Clack valves incorporate patented “stack technology” and feature state-of-the-art electronics and programming software.

WS3 Product Specifications
Specifications WS3
Service @ 1 bar/15 psi drop
Backwash @ 1.7 bar/25 psi drop
946 lpm, 56.8 m³/h
833 lpm, 50.0 m³/h
Tank Applications:
Filter (1)
18” – 96” diameter
18” – 63” diameter
Fitting Connections
3” Female BSPT or NPT
Valve Material
Lead Free Brass
Up to 9
Operating Pressure
Operating Temperatures
1.4 – 8.6 Bar
4° - 43° C
Flow Rate Range
Volume Range (m3)
13 – 1,325 lpm
38 – 3796.2 liters x 1000
Distributor Pilot
90mm or 3.5” O.D. Pipe
3” NPS
Drain Line Connection
3” Female NPT or BSPT
Brine Line Connection
1” Male NPT Elbow
¾” x 1”Solvent elbow
Mounting Base Options
Quick Disconnect
6” Flange
Side Mount
Height From Top of Tank
With 6” Flange QC Base is 318mm
Shipping Weight
25.9 Kg
Supply Voltage
Supply Frequency
Output Voltage
Output Current
230V AC
24V AC
750 mA
Product Features:
  • 3" top mount or side mount control valve suited for commercial and industrial applications
  • Pre or Post treated water regenerant refill
  • Epoxy coated lead free brass valve body
  • Days override feature; 1 - 28 days available
  • Economcial stainless steel optional meter assembly
  • Capacitor back-up with up to 24 hour carry over
  • Service flow rate 946 lpm, Backwash flow rate 833 lpm
  • 20-volt output AC adapter provides safe and easy installation
  • Solid state microprocessor with easy access front removable POD
  • Reliable and proven DC drive
  • Front panel display for Time of Day, Current Flow Rate, Totalizer and Volume/Days until Regeneration
  • Patented one piece expanding seal spacer stack assembly
  • Four methods to initiate the down flow regeneration; meter delayed, meter immediate, time clock delayed, or pressure differential
  • Patented linearly reciprocating piston operation
  • Fully programmable regeneration cycle sequences (maximum 9)
  • Fully programmable regeneration cycle times
  • The Clack WS3 Control Valve is designed for industrial applications.
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(1 review) Write a Review
  • 5
    Produces more water faster

    Posted by Janeth M. on Feb 20th 2020

    Didn’t take much maintenance while using these valves

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