IS-FloodSensor-009/909S-CellularYou are required to consult the local building and plumbing codes prior toinstallation. If the information in this manual is not consistent with localbuilding or plumbing codes, the local codes should be followed. Inquirewith governing authorities for additional local requirements.WARNING!Installation InstructionsCellular SensorConnection Kit andRetrofit Connection KitsSeries 009-FS, LF009-FS, LFU009-FS,SS009-FS, and U009-FS1⁄2" – 3"Series LF909-FS Small¾" – 2"Read this Manual BEFORE using this equipment.Failure to read and follow all safety and useinformation can result in death, serious personalinjury, property damage, or damage to the equipment.Keep this Manual for future reference.WARNING!½" – 2" Connection KitUse of the SentryPlus Alert® technology does not replacethe need to comply with all required instructions, codes,and regulations related to the installation, operation, andmaintenance of the backflow preventer to which it isattached, including the need to provide proper drainage inthe event of a discharge.Watts® is not responsible for the failure of alerts due toconnectivity or power issues.NOTICEMonitor relief valve discharge with smart and connectedtechnology to detect and notify of flooding. The CellularSensor Connection Kit activates the integrated flood sensorto enable functions that detect flood conditions. TheCellular Sensor Retrofit Connection Kit upgrades existinginstallations by integrating and activating the flood sensor toenable functions for flood detection. When excessive reliefvalve discharge occurs, the flood sensor energizes a relaysignaling flood detection and triggers real-time notification ofpotential flood conditions through the SynctaSM application.