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WB

Insulated Backflow Enclosures

  • Reinforced aluminum or fiberglass construction provides freeze protection to maintain water supply
  • Available with heaters for additional protection from severe weather
  • Doors provide access for testing/repair without removing entire enclosure
  • Lockable access doors and/or lid protect against theft or vandalism

Select a Model

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

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