CWS300H

3 in. Heavy Duty Commercial Water Softeners

  • Highly efficient, cation exchange water softeners
  • Fully adjustable regeneration cycles
  • Durable, brass bodied control valve for years of service
  • Up to 600,000 grains of hardness removal capacity at flow rates up to 251 gpm (950 lpm)

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA