What You'll Need

Samsung SmartThings Water Leak Sensor
SmartThings Hub or compatible device with hub functionality
Smartphone with SmartThings app

Step 1: Download the App

If you haven't already, download the SmartThings app from the App Store or Google Play. Sign in with your Samsung account.

Step 2: Add the Sensor

Open the SmartThings app and tap the "+" icon. Select "Add device" and choose the Water Leak Sensor from the sensor category.

Step 3: Activate the Sensor

Remove the pull tab from the sensor to activate it. This enables the battery and puts the sensor into pairing mode.

Step 4: Pair with Hub

Keep the sensor within 15 feet of your SmartThings Hub during pairing. Follow the on-screen instructions to complete the connection.

Step 5: Place the Sensor

Position the sensor in areas prone to water leaks:

Under sinks and near water heaters
Near washing machines and dishwashers
In basements near sump pumps
Under refrigerators with ice makers
Near toilets and bathroom fixtures

Ensure the metal probes on the bottom make contact with the floor surface.

Step 6: Set Up Alerts

Configure notifications in the SmartThings app to receive immediate alerts when water is detected. You can also create automations to:

Trigger smart water shutoff valves
Flash smart lights as a visual alert
Send alerts to multiple family members

Features

Instant Detection: Alerts you immediately when water is detected
Temperature Monitoring: Also monitors ambient temperature
Compact Design: Fits in tight spaces
Long Battery Life: Operates reliably on battery power
Audible Alarm: Built-in siren for local alerts

Testing the Sensor

To test: Place a few drops of water on the metal probes. The sensor should detect the water and send an alert within seconds. Dry the sensor thoroughly after testing.

Troubleshooting

Not detecting water: Ensure probes are clean and making contact with surface
Won't connect: Move closer to hub; check battery level
False alerts: Check for condensation; ensure sensor is on flat surface
No notifications: Verify notification settings in app and phone settings