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SD-3

Dual Check Valves with Atmospheric Port & Strainer for Carbonated Beverage Machines

  • Corrosion-resistant stainless steel
  • Wye pattern strainer for water supply installations
  • Streamlined body design minimizes pressure loss and cavitation
  • Atmospheric port provides visual indication in case of failure of second check

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific SD-3

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