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OFTWH-C

OneFlow Anti-Scale System For Tankless Water Heaters for up to 5 gpm (18.92 lpm)

  • Chemical free treatment for scale prevention and protection
  • Requires no control valve, chemical additives or electricity
  • Improves equipment efficiency
  • Virtually maintenance free environmental-friendly technology
  • Flow rate up to 5 gpm

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific OFTWH-C

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