This Colt™ 8 Inch Reduced Pressure Detector Backflow Preventer Assembly is Designed to Prevent The Reverse Flow of Fire Protection Substances And Water of Non-Potable Quality From Being Pumped or Siphoned Into The Potable Water Supply Due to Backsiphonage And or Backpressure. It is Ideal For Protection at Cross-Connections Identified as Health Hazards Such as on Fire Sprinkler Systems And From Other Contaminants Found at The Service Line Entrance. This Compact Modular Design Without a Meter is Approved For Horizontal N Pattern Installation. This Assembly Consists of a Stainless Steel Body With a Quick Access Sleeve, Torsion Spring Check Valves, Outside Stem And Yoke Resilient Seated Gate Valves, Test Cocks, And a Corrosive Resistant Bottom Mounted Pressure Relief Valve. This Backflow Assembly Contains an Integrated Flood Sensor With Sentryplus Alert® Technology to Detect Excessive Water Discharges From The Relief Valve. When Activated Through an Add-On Sensor Connection Kit, The Flood Sensor Can Send an Alert to Notify Personnel About Potential Flooding. Add-On Sensor Connection Kits Are Available For Bms And Cellular Communications. | Ames-Deringer | F0206642