Skip to Main Content

B911

Bronze Combination Fill Valve and Backflow PreventersSize: 1/2″ (15mm)

  • Pre-assembled for ease of installation
  • Series B911 has union NPT x NPT connections
  • Purge lever for manual purging
  • Series B911S has union solder x NPT connections

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific B911

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