LF860 Large

Lead Free MasterSeries In-Line Reduced Pressure Zone Assembly Backflow Preventer, OSY Gates and Flood Sensor
Adding activation kit to flood sensor
Lead Free MasterSeries In-Line Reduced Pressure Zone Assembly Backflow Preventer, OSY Gates and Flood Sensor
Product Image - LF860 Large
Product Image - LF860 Large
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Lead Free* MasterSeries In-Line Reduced Pressure Zone Assembly Backflow Preventers with Flood Sensor - Large Diameter

MasterSeries LF860 Large Lead Free* reduced pressure zone assemblies feature a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve. Activated through an add-on connection kit, the sensor can trigger the alert system sending notification of flood detection to facility personnel. Connection kits are available for BMS and cellular communication.

This series prevents the reverse flow of contaminated water caused by backsiphonage or backpressure from entering the potable water supply. Ideal for protection at health hazard cross-connections or for containment at the service line entrance. Its compact modular design facilitates maintenance and assembly access. Check with local water authorities for installation requirements.

To learn more visit: https://www.watts.com/floodprotectionsystem

The ductile iron body is fused with ArmorTek®, a patented 3-part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion.

To learn more visit: https://www.watts.com/armortek

Features

  • Sensor on the relief valve for flood detection
  • Flood alert feature activated with add-on connection kit, compatible with BMS and cellular communication
  • Utilizes advanced ArmorTek coating technology to build in electrochemical corrosion inhibitor and microbial inhibitor to resist corrosion of internal parts
  • Combines the use of a stainless-steel relief valve seat and stainless-steel check components for maximum performance and durability
  • Requires no special tools for inline service
  • Is highly suitable for potable drinking water systems where code mandates protection from backpressure and backsiphonage conditions
  • Protects potable water against cross-connection contamination of high hazard (toxic) fluids in water services
  • Sizes 2 1/2 to 10 Inch

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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