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GAC Filters with Clack Controls



H2O's GAC Filters built with Clack Controls are ideal for treating chlorinated water supplies. Utilizing NSF Certified Acid Washed Coconut Shell Granular Activated Carbon and Clack Control Valves, these systems provide a proven solution to your customers chlorine, taste and odor removal needs. The automatic backwashing Clack Control cleans and rinses away sediment and regrades the media weekly, to prevent channeling within the media bed.

Control Valve Features

  • Digital Backwashing Clack Control Valve
  • Informative 4 digit LCD Display with Status Indicators
  • Solid state microprocessor with easy access front panel settings
  • Front panel display for time of day, days until next regeneration
  • 10 selectable pre-programmed regeneration cycles
  • Coin Cell Lithium battery back-up with a 8 hour carry over
  • Level VI 15-volt output DC power supply provides safe and easy installation
  • Reliable and proven DC drive
  • One piece expanding seal spacer stack assembly
  • Linearly reciprocating piston operation


Systems built with Clack Controls are sold only to Water Treatment Professionals and are not available for sale online or to online retailers.



Water Softeners with Clack Controls

GAC Filters Specifications
Part No. Tank Size Control Connection Size Carbon Type Carbon Mesh Size Amount of Carbon Flow Rate
WS1-BW-1-GAC 9" x 48" WS1-BW 3/4" or 1" Acid Washed Coconut Shell 12" x 40" 1.0 Ft3 4-5 GPM
WS1-BW-1.5-GAC 10" x 54" WS1-BW 3/4" or 1" Acid Washed Coconut Shell 12" x 40" 1.5 Ft3 5-7 GPM
WS1-BW-2-GAC 12" x 52" WS1-BW 3/4" or 1" Acid Washed Coconut Shell 12" x 40" 2.0 Ft3 8-10 GPM
WS1-BW-2.5-GAC 13" x 54" WS1-BW 3/4" or 1" Acid Washed Coconut Shell 12" x 40" 2.5 Ft3 10-12 GPM
WS1-BW-3-GAC 14" x 65" WS1-BW 3/4" or 1" Acid Washed Coconut Shell 12" x 40" 3.0 Ft3 12-15 GPM
WS1-BW-4-GAC 16" x 65" WS1-BW 3/4" or 1" Acid Washed Coconut Shell 12" x 40" 4.0 Ft3 16-20 GPM
WS1-BW-5-GAC 18" x 65" WS1-BW 3/4" or 1" Acid Washed Coconut Shell 12" x 40" 5.0 Ft3 20-25 GPM

Systems are available with Catalytic Carbon.