Smart Water Leak Detectors & Automatic Shutoff Valves
Smart leak sensors and automatic shutoff valves can prevent catastrophic water damage. Compare Flo by Moen, Phyn, and Honeywell options.
Smart leak detectors alert your phone when moisture is detected — buying you minutes to hours before catastrophic damage. Whole-home shutoff systems (Flo by Moen, Phyn Plus) monitor water flow and automatically shut off the main supply when abnormal usage is detected.
Install sensors near water heaters, washing machines, under sinks, and behind toilets. Whole-home systems cost $500–$900 installed but can prevent $10,000+ damage events. Many insurers offer discounts for leak detection devices.
See our best water leak detector review for top picks tested by restoration professionals.
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Frequently Asked Questions
Do smart leak detectors prevent water damage?
They alert you early — whole-home shutoff systems actively stop water flow. Neither replaces maintenance, but shutoff systems have documented cases of preventing major losses.
Do insurers discount smart leak detectors?
Many carriers offer 3–8% discounts for whole-home leak detection with automatic shutoff. Check with your agent.
Who do I call right now for water damage?
Call (888) 840-6512. The line is answered 24 hours a day, seven days a week, and connects you with an IICRC-certified water damage restoration company that serves your area. Describe what you can see — where the water is coming from, how long it has been there, and whether it smells — the more specific you are, the faster the right company is on the line.
If the source is a pipe or an appliance, shut the main water valve first. Have four things ready and the call goes quickly: the address, when the water started, what is wet now, and whether you have filed an insurance claim.
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