Water Leak Sensors

Stop a $10K disaster with $30 in sensors.

Why now

Water damage = #1 home insurance claim. Average $11,000 per incident. Most leaks happen slowly — pinhole in pipe, water heater drip, washer hose. By the time you notice, drywall and floors are ruined.

Govee Wifi Water Sensor (3-pack)

$30-50

Cheapest reliable. Phone alerts. Long battery life.

Best budget.

Aqara Water Leak Sensor

$15 each (needs hub)

Tiny, reliable, work with HomeKit/Alexa/Google. Hub costs $30-60.

Best smart-home.

YoLink Water Leak (4-pack)

$80

Mile-long range. No wifi cluttering. Great for vacation homes.

Best long-range.

Moen Flo / Phyn Plus

$300-700

Whole-house — installs at main water line. Detects ANY leak. Auto-shuts off water.

Best whole-home.

Where to put sensors

Under kitchen sink — slow drips most common.
Under bathroom sinks (each one).
Under water heater — when it dies, it dies wet.
Behind/under washing machine — hose burst = flood in minutes.
Behind toilet — wax-ring leaks rot floors.
Under refrigerator with ice maker.
Sump pump pit — alerts if pump fails during storm.
Basement floor near floor drain.

How they work

Battery-powered. 1-3 year life.
Two metal contacts on bottom. Water completes the circuit.
Sensor connects to your wifi.
App pings phone within seconds when water detected.
Many also beep loudly at the sensor itself.

Whole-house auto-shutoff

For premium protection — Moen Flo or Phyn Plus install at your main water line. Detects ANY leak in the house and SHUTS OFF the water automatically. $300-700 + plumber install. Many home insurance companies give 5-10% discount.

Vacation peace of mind

Heading south for the winter? Add 4-6 sensors before you leave + a smart valve. Phone gets alert from 2,000 miles away — call neighbor or plumber before damage spreads. Cheaper than a new floor.