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This leak sensor will detect floods and stop them

LeakSmart's System uses a sensor and connected valve to shut off your water before too much damage is done.

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David Priest
David Priest is an award-winning writer and editor who formerly covered home security for CNET.
David Priest
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1 of 4 Chris Monroe/CNET

The LeakSmart Complete Home Water Protection System uses a leak detector to trigger a smart home valve. That way, if a pipe bursts, the sensor can plug your pipe before too much damage is done.

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2 of 4 Chris Monroe/CNET

The water valve works reliably. During testing, it responded to a leak sensor alarm in under 5 seconds every time.

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3 of 4 Chris Monroe/CNET

The ZigBee hub that connects the valve and sensor to your phone is small and easy to install.

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4 of 4 Chris Monroe/CNET

The leak sensor is comparable to many competitors -- although it is waterproof. That's a great addition that too many detectors forego.

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