Water Leakage Sensor

Browse our range of MOES smart water leakage sensors. Get an instant app alert the moment water is detected under sinks, behind appliances, or near pipes, before a small drip turns into a costly flood. WiFi connected with no hub required and easy placement anywhere water damage is a risk.

Smart Water Leak Sensors: Catch It Before It Becomes a Flood

Water damage is one of the most expensive and disruptive problems a homeowner can face. A slow leak under the kitchen sink, a washing machine hose that has worked itself loose, or a pipe that sweats overnight can go unnoticed for days or weeks. By the time you see the damage, the repair bill is already significant. MOES smart water leakage sensors sit flat on the floor in any at-risk location and send an alert to your phone the moment they detect moisture, giving you the chance to act before the damage spreads.

Where Water Damage Actually Happens

Under the kitchen sink. This is one of the most common locations for slow leaks. Drain connections, supply lines, and waste pipes all pass through a confined space that is rarely inspected. A sensor placed flat on the cabinet floor will catch any drip before it soaks into the cabinet base or spreads to the floor beneath.

Behind the washing machine and dishwasher. Appliance hoses degrade over time and can fail suddenly. A leak behind a washing machine can run for hours before anyone notices. Placing a sensor behind each appliance takes seconds and provides continuous monitoring without any ongoing effort.

Near the water heater or boiler. Tank-style water heaters can develop slow leaks at the base as they age. A sensor placed nearby will alert you to the first signs of failure, giving you time to arrange a replacement before the tank fails completely and floods the surrounding area.

In the basement or utility room. These spaces are often the first to flood during heavy rain or a pipe burst, and also the least frequently visited. A sensor in these areas gives you remote visibility and an immediate alert even when you are not home. Pair it with a smart water valve to automatically shut off the water supply when a leak is detected.

How to Get the Best Results

Place the sensor flat on the floor with the metal contact points facing down and touching the surface. Make sure the area is dry before installation so the sensor does not trigger immediately. For areas where water may pool rather than drip, consider placing multiple sensors to cover a wider area. The Tuya Smart Life app will show you the sensor status in real time and notify you the moment water is detected.

FAQs About Smart Water Leakage Sensors

The sensor triggers when the metal contact points on the base detect electrical conductivity from water bridging them. A small amount of water, even a few drops, is enough to trigger an alert. Light condensation on a cold surface can sometimes cause a false trigger if the sensor is placed directly on a surface that sweats. In these cases, try placing the sensor on a small rubber mat or slightly elevated surface to avoid contact with condensation while still detecting actual leaks.

Yes, but you will need a compatible smart water valve in addition to the sensor. Through the Tuya Smart Life app, you can create an automation that triggers the valve to close when the leak sensor is activated. MOES offers smart water valves that are compatible with this type of automation. This combination gives you a fully automated leak response that does not require you to be home or even awake to stop the water flow.

Yes. MOES water leak sensors require no drilling, no wiring, and no permanent installation. Simply place the sensor on the floor in the location you want to monitor. The sensor runs on batteries and connects to your home WiFi, so there is nothing to attach to walls or pipes. You can move it or take it with you when you leave without leaving any trace.

Most MOES water leak sensors are designed for 12 to 24 months of battery life under normal conditions. The Tuya Smart Life app monitors battery level and will send you a notification when the battery drops below a set threshold, so you are never caught off guard with a sensor that has gone offline without you knowing.

Yes, as long as your home WiFi remains active while you are away. The sensor stays connected to your router and will send a push notification to your phone the moment water is detected, regardless of where you are in the world. Many users specifically buy these sensors before going on holiday for exactly this reason. Make sure the Tuya Smart Life app notifications are enabled on your phone before you leave.

+ View more