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OneFlow Anti-Scale System for 75 gpm (284 lpm)

Sales Channel: Multi-Channel

Series OF1665-75TM OneFlow Anti-Scale System provides protection from scale formation on internal plumbing surfaces. The OneFlow system may be installed at the point-of-entry to a building to treat both hot** and cold water, or it can be located directly before a water heater, boiler, or other hot water-using device that requires protection from the ill effects of hard water. NOTE: For hot water applications where water temperature is 110°F - 150°F (43° - 66°C), please consult ES-OneFlow-HotWater.


  • Improves efficiency of all appliances that use water
  • Maximum flow rate: 75 gpm
  • Environmentally-friendly technology requires no electricity and generates no wastewater
  • Chemical-free, salt-free scale prevention and protection system – no need to add salt bags or chemicals

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Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: