IS-FloodSensor-957/994/Colt/SS-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 KitSeries 957-FS, 957RPDA-FS, LF957RPDA-FSSeries 994-FS, 994RPDA-FSSeries C400-FS, C500-FS, LFC500-FSSeries 4000SS-FS, 5000SS-FS21⁄2" – 10"Read this Manual BEFORE using this equipment.Failure to read and follow all safety and use infor-mation can result in death, serious personal injury,property damage, or damage to the equipment.Keep this Manual for future reference.WARNING!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 is attached,including the need to provide proper drainage in the eventof 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. The CellularSensor Retrofit Connection Kit upgrades existing installationsby integrating and activating the flood sensor to enablefunctions for flood detection. When excessive relief valve dis-charge occurs, the flood sensor energizes a relay signalingflood detection and triggers real-time notification of potentialflood conditions through the SynctaSM application.Retrofit Connection Kit