C200

Stainless Steel Double Check Valve Assembly Backflow Preventers with Tri-Link Check Valves

  • UL Listed tamper switch on the OSY-TS model signals when the valve is closed or when the tamper switch is removed from the valve
  • Patented tri-link check provides low pressure loss
  • Can be installed under continuous pressure service and may be subjected to backpressure in nontoxic applications
  • Extremely compact design is significantly lighter than traditional designs
  • Entire valve body and closure sleeve manufactured from 304 stainless steel

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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