4000B-FP

Bronze Reduced Pressure Zone Assembly Backflow Preventers with Gear Operated Slow Close Isolation Valves

  • Single, top-access cover and modular check construction for ease of maintenance
  • Large body passages provide low pressure drop
  • Internal relief valve reduces installation clearances
  • Bronze body construction for durability
  • Gear operated, slow close shutoffs
  • Pre-wired tamper switch (2) per shutoff

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 4000B-FP

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