Clack WS1.5 valve

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

Product images are illustrative 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 in medium commercial systems and industrial applications.
  • Suitable for 12 ″ to 24 ″ diameter softener tanks and 12 ″ to 30 ″ filters.
  • Lead-free valve body.
  • Meter option for energy and water savings.
  • Easy microprocessor configuration from the front panel.
  • The front display shows the time of day, the next day of regeneration, the remaining volume and the flow rate.
  • Four methods to initiate downflow regeneration; meter immediate, meter delayed
  • delayed time clock or pressure difference.
  • Program in ppm, French degrees, German degrees and cubic meters
  • Regeneration cycles fully programmable (maximum 9)
  • Programmable cycle time.
  • Function days; 1 to 28 days available
  • AC adapter with 12-volt output provides easy and safe installation.
  • Use treated water to fill the tank.
  • Low salt alarm
  • 24 hour clock.
  • Backup lithium battery with 24 hour backup duration.

Clack valves for water softener and filters

Data sheet

Clack WS1.5 valve

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