Clack WS1.25 Control Valve

Clack Water Softener WS1.25


Clack WS1.25 Water Softener

For homes/business up to 6,000 square feet
Water flow up to 34 gallons per minute

Clack’s WS1 Automatic valve is a state of the art control head designed for residential and commercial applications requiring flow rates up to 34 GPM.


  • Solid state microprocessor with easy access front panel settings
  • Three modes of operation; meter immediate, meter delayed, or time clock delayed
  • Double backwash feature offers optimum regeneration, cleaning ability, and efficiency
  • Capable of 36 pre-programmed regeneration cycles based on control valve setting
  • Days override feature; 1 – 28 days available
  • Backwash and brining ability to 21” diameter tanks
  • Downflow/upflow regeneration
  • Stores system configuration and operation data in nonvolatile memory
  • Coin Cell Lithium battery back-up with an 8 hour carry over
  • 12-volt output AC Adapter provides safe and easy installation
  • Control valve design provides optimum service and backwash rates
  • Pre or Post treated water regenerant refill
  • Patented one piece expanding seal spacer stack assembly U.S. Patent 6,402,944
  • Patented linearly reciprocating piston operation U.S. Patent 6,444,127
  • Reliable and proven DC drive


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