Top 20 Best Selling Water Detectors & Alarms Household Sensors & Alarms (2019)




Water damage is one of the main ways that the value of a home can be diminished. Accidents will happen! Water heaters break down and water pours out, washing machines overflow, pipes wear thin and leak - and when these things happen, water will start to ... more info

Easy to use - set in lowest spot where water leak may occur. Detects water 1/16 deep. Ideal for use in areas not usually observed: Water Heaters - Behind Washing Machines or Dishwashers - Under Refrigerator for Ice Makers - Under Sinks - Sump Pumps of ins ... more info


Honeywell’s RWD41 water defense water-sensing alarm offers superior protection against leaks and water damage near potential trouble spots close to plumbing around the home or office. Place it in hard-to-see areas around toilet bases; under sinks; behind ... more info


The risk of water damage in a home is high. In fact, it is one of the most common home insurance claims. Every year millions of homeowners suffer billions of dollars in losses. But these losses can be reduced or even avoided altogether with the new INSTEO ... more info



This 3 Pack First Alert Water Alarm Protects homes from water damage due to leaks, floods and seepage. Ideal uses: basements, garages, laundry rooms, bathrooms, hot tubs. Place near sump pump, washing machine, water heater, sinks, toilets. Water sensor at ... more info

LeakFrog water alarm is the small water alarm with a big job. Behind the cute smile is a brain that knows when you have a water problem. LeakFrog sits patiently day and night - ready to sound its alarm at the first sign of a leak. Benefits: Water causes m ... more info




Warns you of a leak before it becomes a flood! Even a small amount of water can cause serious damage to your home. Place a Flood Buzz in any potential flood spot, like next to a washing machine, water heaters, in the basement, etc. If it detects even a sm ... more info



The ST812-2 may be used stand-alone to control Z-Wave devices or with HomeSeer systems to launch automation events. Installs easily in most homes near water heaters, HVAC units, near sinks, toilets and showers... anywhere water leakage is a possibility ... more info


Smart Response Technology - Continually adjust the pre-heating/cooling of your home so you are comfortable at your programmed times Auto Change from Heat to Cool - Automatically adjusts the pre-heating/cooling of your home so you are comfortable at yo ... more info


Emits an extra-loud 105dB alarm when water rises to dangerous levels in sump crock or is detected on floor. Includes 60in. wire sensor which can be suspended in sump crock or attached to floor, bathtub or toilet tank. Battery operated. Recommended Use Ala ... more info

The Onsite Pro Additional Sensor Pad is for use with any FloodStop unit. It provides additional detection/floor coverage and can be daisy chained together with multiple pads in a series to give you complete coverage. The extra sensor pad comes with 1 mete ... more info




Swann Sw351-Wla Water Leak Alarm Sw351-Wla ... more info

Portable Water Alarm Is Inexpensive This 9 Volt battery powered (battery not included) portable 3 inch diameter Water Alarm(R), Gizmode, is an early water detection system louder than a smoke alarm or carbon monoxide alarm . This water sensor sounds a lou ... more info


The FloodStop 3/4-NPT provides property protection from failed and leaking Water Heaters. A leaking water heater under pressure can start as a small leak and escalate into a flood rather quickly. Don't risk your floors, carpets and other personal belongin ... more info


LeakFrog water alarm is the small water alarm with a big job. Behind the cute smile is a brain that knows when you have a water problem. LeakFrog sits patiently day and night - ready to sound its alarm at the first sign of a leak. Benefits: Water causes m ... more info



The HC3000 High Water Shut-Off is designed to shut off a pump, control valve, or other appliance, when the water level in the vessel reaches a maximum level. The switch is very easy to install and its operation is simple. When the sensor isn't detecting ... more info

Monitor leak-prone areas in your home and prevent property damage with WaterCop flood sensors. Simply install the WaterCop motor and automatic shut-off valve (both sold separately) on the main water line near the existing manual valve. Then place WaterCop ... more info



Washing Machines are one of the most damaging appliances within the home. Washing Machine related flooding can happen at any time, from hoses with ruptures or cracked fittings, to internal failures from clamps, valves, pumps, drains and failed switches. W ... more info

Damage from water can be expensive, time consuming and an overall headache. The Connect Sense water sensor allows you to easily detect water home or business and quickly be notified. Monitor for water in basements, under sinks and anywhere it can be an is ... more info

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