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Leak sensors

Leak sensor under the bathroom sink — reacts before water reaches the floor

Washing machines, boilers, or hoses under the sink can leak without warning — leak sensors from LUMUX smart home devices monitor precisely such points. As soon as water touches the sensor, the system shuts off the main water supply and sends a notification to your phone, even if no one is home.

What happens after the alarm

Leak sensors work together with an electric actuator on the stopcock: a signal from the sensor instantly shuts off the water, not just triggers a siren. The event is logged in the app with a timestamp and installation location, so it's clear what happened and where — in the kitchen, bathroom, or technical room.

Close-up of a leak sensor on the floor under a sink — shuts off water automatically
Water is shut off within the first seconds
  • water shut-off at the inlet without human intervention
  • Push notification to phone with leak location
  • operation in the long or short absence scenario
  • joint installation with smoke sensors in the same room

Multiple leak sensors are placed in all vulnerable points of the house at once — under every sink, near every appliance connected to water. LUMUX collects their readings into a unified security sensors map, so a leak report comes with a specific address inside the apartment, not a general alarm for the entire house. This circuit also reduces the scale of damage: water is shut off within the first seconds, not after the floor is already ruined.

Still have questions?

Frequently Asked Questions.

What do people ask before ordering

Answer: as soon as the sensor touches water, a signal is sent to the electric valve actuator, and the water supply at the inlet is shut off automatically, without human intervention. Simultaneously, a push notification indicating the leak location is received, so the house reacts before the water has a chance to spread across the floor.

Leak sensors operate on an autonomous power source, not from an outlet, so a regular power outage in the apartment does not affect them. The app shows the battery level in advance and sends a notification when the battery needs to be replaced—the event does not go unnoticed.

Yes, that's exactly what leak sensors are designed for: the scenario triggers automatically without human intervention and responds equally to a leak during the day with residents present or during a long absence. The notification is sent to your phone anywhere with internet, so you'll know about the leak even when far from home.

The exact number depends on the layout — typically, sensors are installed under every sink, near the washing machine, water heater, and other appliances connected to water. The engineer calculates the required quantity during the consultation and shows the final amount in the website calculator, with no hidden extra charges for individual points.

Our warranties

  • Without chasing and dust

  • Quote in the calculator — no hidden extra charges

  • Warranty on equipment and installation

  • Available after handover

Leak sensors — tailored to your home and budget

Free engineer consultation: we'll select solutions to match your interior and budget, calculate the turnkey cost.