Clack valve WS1.25

Connections: 1 1/4 ″ 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 valve WS1.25


Continuous at 15 psi pressure drop (bypass and meter sold separately, meter only applies to flow valves): 34 gpm (72 lpm)

Backwash 25 psi pressure drop (bypass sold separately): 32 gpm (121 lpm)

Service CV (flow at 1 psi pressure drop): 8.0

Backwash CV (flow at 1 psi pressure drop): 6.4


  • 4-digit LCD display information with status indicators.
  • Solid state microprocessor with easy access front panel configuration.
  • 34 gpm service flow, 32 gpm backwash
  • Backwash capacity for tanks up to 21 ″ in diameter
  • Front panel to display the time of day, day and date of the next regeneration.
  • Days between regeneration: 1-99 standard days; 7 - days optional
  • The double backwash function offers optimal regeneration, cleaning efficiency.
  • 10 selectable pre-programmed regeneration cycles.
  • Coin-type lithium battery for 8-hour programming protection reserve.
  • Automatic 50/60 Hz frequency detection, 12/24 hour automatic time, maintaining 12 volt output formats power adapter provides easy and safe installation.
  • Patented one piece mounting system and spacer seal US 6,402,944
  • The operation of the patented linear reciprocating piston US Patent 6444127
  • Reliable and proven CD drive.

Clack valves for water softener and filters

Data sheet

Clack valve WS1.25

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