Best Water Leak Detectors for Under Sinks and Appliances
The Govee 2-pack is the best value for most homes; upgrade to Flo if you want whole-home monitoring with automatic shutoff.
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Water leak detectors are small sensors that sit on the floor under sinks, behind washing machines, and near water heaters, and sound an alarm (or send a phone notification) when they get wet. A single leak detector under a kitchen sink costs under $20 and can prevent thousands of dollars in water damage from a slow drip that goes unnoticed for weeks.
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