Clack WS2 EE Valve


Connections: 2″ NPT / Female BSPT
Material: Bronze (unleaded)
Thread at the base: 4″
Cycles: up to 9
Min. Flow / Max. of peration: 20 psi – 125 psi
Temperature Min. / Max: 4 °C to 43 °C

Product images are demonstrative and may vary from the physical product.


Clack WS2 EE Valve


Continuous at 15 psi pressure drop (bypass and meter sold separately, meter only applies to flow-through softener): 115 gpm

Backwash 25 psi pressure drop (bypass sold separately): 80 gpm


  • Contron valve with 2″ inlet and outlet, suitable for commercial systems and industrial applications.
  • Lead-free valve body.
  • Stainless steel meter option.
  • Easy configuration of the microprocessor from the front panel.
  • The front display shows the time of day, next regeneration day, remaining volume and flow rate.
  • Four methods for initiating downstream regeneration; immediate meter, delayed meter
  • delayed time clock or pressure differential.
  • Program in ppm, French degrees, German degrees and cubic meters.
  • Fully programmable regeneration cycles (max. 9)
  • Programmable time of each cycle.
  • Days function; 1 to 28 days available
  • AC adapter with 12-volt output provides easy and safe installation.
  • Use treated water to refill the tank.
  • Low salt level alarm
  • 24-hour clock.
  • Lithium back-up battery with 24 hours of backup time.

Clack valves for water softeners and water filters