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LFN388

Lead Free* Hot or Cold Water Anti-Siphon Vacuum Breakers

  • Lightweight disc assembly prevents spilling under all flow rates
  • Durable silicone disc has high heat and water hammer shock resistance
  • Lead-free* cast copper silicon alloy body
  • Full-size orifice assures pipe size capacity for maximum flow

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LFN388

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