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BD911

Combination Bronze Dial Set Fill Valve and Backflow Preventer

  • Dial indicator eliminates need for pressure gauge
  • Combination fill valve and backflow preventer in one pre-assembled unit
  • For use on boiler feed lines to provide make-up water to the boiler and prevent backflow
  • Unique push-button fast fill engagement with auto-stop prevents over-pressurization

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Select options below to identify the UPC, Order Code, and Repair Kit for a specific BD911

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