Clack WS1.5 valve

Clack valve for filter or softener WS1.5

Connections: 1.5″ NPT / Female BSPT
Material: Noryl
Thread at the base: 4″
Cycles: up to 9
Min. Flow / Max. of peration: 20 psi – 125 psi
Min. / Max. temperature : 4.44 °C to 43.3 °C

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

Clack WS1.5 valve


Continuous at 15 psi pressure drop (bypass and gauge sold separately): 60 gpm (227 lpm)

Backwash 25 psi pressure drop (bypass sold separately): 50 gpm (189lpm)


  • Control valve with 1.5″ inlet and outlet, suitable for medium commercial systems and industrial applications.
  • Suitable for 12″ to 24″ diameter softener tanks and 12″ to 30″ diameter filter tanks.
  • Lead-free valve body.
  • Metering option for energy and water savings.
  • 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

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