Clack WS2EE Control Valve

Product Description

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.


Water Specialist 2" EE Control Especifications
Inlet/Outlet Fittings 1.5” Female BSPT or NPT
Cycles up to 9
Valve Material Noryl (1) or equivalent
Regeneration downflow
Flow Rate
Service @15 psi drop (includes bypass and meter) 155 gpm
Backwash @ 25 psi drop (includes bypass) 80 gpm
Cv Service 29.7
Cv Backwash . 16
Operating Pressures
Minimum/Maximum 20 psi – 125 psi
Operating Temperatures  
Minimum/Maximum 40° – 110°F
Accuracy . ± 5%
Flow Rate Range. . 2 - 284 lpm (0.5 - 75 gpm)
Gallon Range . 0.02 - 5,700 m³
Totalizer 264 - 26,417,000 gallons
Dimensions & Weight
Distributor Pilot 1.90" OD Pipe (¾" NPS)
Drain Line 1.25” Female NPT
Brine Line ¾” Female NPT
Mounting Base 4" - 8 UN
Height From Top Of Tank 8.5"
Weight 29Lbs.
Electrical Specifications
Supply Voltage 120V AC
Supply Frequency 60 Hz
Output Voltage 12V AC
Output Current 500 mA
Tank Applications
Water Softener 12” – 48” diameter
Water Filter (2) 12” – 36” diameter
Cycles of Operation (Softener / Filter downflow)
1. Backwash 1st 1-95
2. Regenerate Draw/Slow Rinse (downflow) 1-180
3.Backwash 2nd (upflow) 1- 95
4. Fast Rinse (downflow) 1-95
5. Regenerant Refill 0.1-99.0 or off
6.Service (downflow)  
  • 2” Top mount control valve suited for commercial/industrial applications
  • Epoxy coated lead free brass valve body
  • Economical stainless steel optional meter assembly
  • Service flow rate of 115 gpm, backwash 80 gpm
  • Solid state microprocessor with easy access front panel settings
  • Front panel display for time of day, days until next regeneration, volume remaining, current flow rate and total volume used (Totalizer)
  • Four methods to initiate regeneration; meter immediate, meter delayed, time clock delayed or pressure differential
  • Optional double backwash feature offers optimum regeneration, cleaning ability and efficiency
  • Fully adjustable cycle times with 6-cycle control delivers controlled backwash, downflow brining or upflow brining, slow rinse, second backwash, fast rinse, refill and downflow service
  • Coin Cell Lithium battery back-up with an 8 hour carry over
  • 12-volt output AC Adapter provides safe and easy installation
  • Post treated water regenerant refill
  • Reliable and proven DC drive
  • Patented one piece expanding seal spacer stack assembly U.S. Patent 6,402,944
  • Patented linearly reciprocating piston operation U.S. Patent 6,444,127
  • Mid-size commercial/industrial applications
(1 review) Write a Review
  • 5
    Works good

    Posted by Farid Z. on Mar 4th 2019

    Low propensity to damage. Well-made products!

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