9BD

Dual Check Vacuum Breaker Backflow Preventers for Vending Machine Water Supply Lines

  • Dual check valve assures positive, dependable seating protection
  • Equipped with ball check valve that serves as a third check for added protection of water supply
  • Instant check valve response prevents unnecessary vent discharge during pump's off cycle
  • In-line design minimizes pressure drop across the valve

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 9BD

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) 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