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OF1665-75TM

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

Sales Channel: Multi-Channel

  • 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

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific OF1665-75TM

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet 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