Leak Detection & Shutoff
Smart sensors and automatic shutoff valves that stop floods early.
Buying guides
- The best water leak detectorsBuy the YoLink starter kit if your risk points are in a crawl space, sump pit or outbuilding, or you plan to add automatic shutoff later. Buy the GoveeLife 1s kit for the most coverage per dollar with a loud siren. Buy Moen's Smart Water Detector if you want no hub and temperature and humidity alerts, and Eve Water Guard if you run Apple Home and want one long sensing cable along a basement wall.Updated October 30, 2026
- The best smart water shutoff valvesBuy the Moen Flo if you want the whole-house shutoff insurers recognize most and a sensor ecosystem behind it; buy Phyn Plus if you want pressure-based micro-leak testing and a two-year warranty with no subscription. If you cannot cut the main, Flume 2 gives you flow alerts off the meter in ten minutes, and the YoLink kit closes an existing ball valve from battery-powered sensors for a fraction of the cost.Updated October 30, 2026
Head-to-head comparisons
- Moen Flo vs Phyn PlusBuy the Moen Flo if your insurer names it, you want a valve body sized to your main, and you value Moen's sensor ecosystem. Buy Phyn Plus if you want pressure-wave micro-leak detection, an ultrasonic flow sensor with no moving parts and a two-year warranty with no subscription. Both close the main automatically, both need a plumber, and neither has battery backup.Updated October 30, 2026
Data and reference
- Which insurers give discounts for leak detectors and smart shutoffsSix US carriers publicly document a discount, device credit or program for smart water shutoff valves and leak sensors as of October 2026: Farmers, Nationwide, Mercury, Chubb, Amica and American Family. Most others decide agent by agent. Below is every program we could cite to the insurer or the manufacturer, what it covers, and how to document your install.Updated October 30, 2026