Clack WS1 valve

Connections: 1 ″ NPT
Material: Noryl
Thread at the base: 2.5″
Cycles: 6
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 valve


Continuous at 15 psi pressure drop (bypass and meter sold separately, meter only applies to flow softeners): 27 gpm (102 lpm)

Backwash 25 psi pressure drop (bypass sold separately): 27 gpm (102 lpm)

Service CV (flow at 1 psi pressure drop): 7.0

Backwash CV (flow at 1 psi pressure drop): 5.4


  • Easy microprocessor configuration from the front panel.
  • Suitable for 6 "to 22" diameter softener tanks and 6 "to 24" diameter filter tanks.
  • Three modes of operation; Immediate Meter, Delayed Meter, or Delayed Time Clock.
  • Dual wash function offering optimal regeneration, cleaning capacity and efficiency.
  • 36 selectable pre-programmed regeneration cycles
  • Function days; 1 to 28 days available
  • Washing and service for 22 ″ diameter tanks.
  • Descent / upward regeneration flow
  • Stores system configuration and operation data in memory.
  • Backup lithium battery with 8 hour backup duration.
  • AC adapter with 12-volt output provides easy and safe installation.
  • Control valve design provides optimal service flow and backwash.
  • Use treated water to fill the tank.

Clack WS1 valves for filter or softener.

Data sheet

Clack WS1;

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