Aqara Water Leak Sensor Setup Guide

Aqara Water Leak Sensor

  • Tools required:
    • Smartphone or tablet with internet access
    • Aqara hub (required to receive alarms and push notifications)
    • Optional: clean cloth, adhesive pad or small screws and a screwdriver for fixed mounting
  • Applications:
    • Aqara hub companion app (referred to below as the Aqara app; exact app name not specified)
    • Device OS account for app notifications (Apple ID / Google account) on your phone or tablet

  • Confirm what you have: unpack the sensor and check it is not damaged. The product description states the sensor is battery-powered and totally wireless. If the battery is not visible, consult the product packaging or in-app instructions for battery insertion details (battery type and orientation are not specified here).
  • Prepare the hub and app: ensure your Aqara hub is installed on your network, powered and online. Install the Aqara app (or the hub’s companion app) on your smartphone or tablet and sign in. Keep the hub and phone on the same network during initial setup.
  • Start pairing: open the Aqara app, choose to add a new device and select the water leak sensor type. Follow the in-app prompts. The sensor pairs to the Aqara hub; the description explicitly states it "alerts your Aqara hub" and sends app push notifications via the hub.
  • If pairing fails: ensure the hub is powered and within range, then retry the app pairing workflow. If the app offers a specific pairing mode for the hub, follow that. If prompted for a physical action on the sensor (for example pressing a button or inserting a battery to enter pairing), follow the app’s exact instruction — the physical pairing method is not specified here.
  • Placement and mounting: choose a flat, level location at floor level close to likely leak sources (beneath boilers, tanks, washing machines, dishwashers, under sinks, etc.). The sensor is described as IP67-rated, so it is suitable for damp locations. Use the optional adhesive pad or screws to fix the sensor in place if you want a permanent installation; if using screws, ensure you have the correct fasteners for the mounting surface.
  • Test the sensor: after successful pairing, test detection and notifications. Place a small amount of water (a few drops that form a shallow puddle — the sensor detects as little as 0.5 mm of water as stated) so it contacts the sensing area and confirm the hub alarm and a push notification arrive on your phone. Perform only small, controlled tests and dry the sensor after testing.
  • Adjust notification settings: in the Aqara app, confirm push notifications and alarm behaviours are enabled for the sensor and hub. If you want audible alarms, ensure the hub’s alarm function is configured as required.
  • Positioning notes: place the sensor where water will reach it early in a leak scenario (near joints, drains or appliance outlets). Avoid burying the sensing area under debris or heavy objects. Although IP67-rated, keep the sensor accessible for inspection and cleaning.
  • Maintenance: monitor battery status from the Aqara app if available. The description states multi-year battery life; the exact battery type, replacement interval and procedure are not specified here — follow any battery instructions provided in the product manual. Clean the sensing surface with a damp cloth if dirt accumulates, and re-test after cleaning.
  • Troubleshooting:
    • No notification: check the hub is online, the sensor is shown as connected in the app, and push notifications are enabled for the app and device in your phone settings.
    • Sensor not pairing: move the sensor closer to the hub during pairing, restart the hub and app, then retry the app’s add-device flow.
    • False alarms or missed detections: ensure the sensing surface is clean and placed where water will contact it directly; perform a controlled test after any repositioning.
  • Compatibility note: the description and tags reference Alexa, Apple Home and Google Home, but direct compatibility details are not specified here. For integration with voice assistants or home platforms, check the Aqara hub and app settings or the product manual for supported services.
  • Safety: this device is battery-powered and described as wireless. No high-voltage electrical work is required for the sensor itself. If you plan any electrical work while installing other equipment, use a trained electrician where appropriate.