860 Small

Reduced Pressure Zone Assembly Backflow Preventers with Flood Sensor - Small Diameter

  • Sensor on relief valve for flood detection
  • Flood alerts feature available with add-on connection kit, compatible with BMS and cellular communication
  • Suitable for use in industrial plants, hospitals, morgues, mortuaries, chemical plants, irrigation systems, boiler feed, and water lines
  • Primarily application for potable drinking water systems where code mandates protection from backpressure and backsiphonage conditions
  • In-line serviceable assembly requiring no special tools
  • Protects potable water against cross-connection contamination with high hazard (toxic) fluids in water services
  • Standard assembly with ball valves or union end ball valves
  • End connection specified NPT ANSI / ASME B1.20.1

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 860 Small

Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) 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