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First Alert WA100-3 Water Alarm, 3-Pack

4.5 out of 5 stars 211 customer reviews
| 12 answered questions

List Price: $59.99
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  • Alarm: 85dB at 10 ft
  • Battery: 1-9V per alarm (included)
  • Shock resistance: up to 3ft drop on concrete
  • Operating conditions: 32-120 degrees F, 80% RH and Storage temp: -20 to 150 degrees
  • Warranty: 2 Year Limited
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Product Description

Product Description

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 attaches to bottom of unit or can extend 6 feet to remote location. Loud 85dB alarm sounds when unit senses water (lasts up to 72 hrs). Splash and water resistant. The Water Alarm WA100-3 Features: Sensor attaches to bottom of unit or can extend 6 feet away. Loud 85dB alarm sounds when unit senses water. Alarm continues for up to 72 hrs. Splash and water resistant. 1 9v battery per alarm. (included) Operates in 32 to 120 degrees F, 80% RH. 2 Year Warranty. Package includes: 3 WA100 water sensors and 3 9v batteries. First Alert Water Sensor WA100-3

From the Manufacturer

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 attaches to bottom of unit or can extend 6 feet to remote location. Loud 85dB alarm sounds when unit senses water (lasts up to 72 hrs). Splash and water resistant

Product Information

Technical Details

Part Number WA100-3
Item Weight 1.1 pounds
Product Dimensions 8.8 x 6.8 x 6.3 inches
Item model number WA100-3
Power Source battery-powered
Item Package Quantity 1
Number Of Pieces 1
Batteries Included? Yes
Batteries Required? Yes
Warranty Description 2 year limited warranty

Additional Information

ASIN B002VECNMQ
Customer Reviews
4.5 out of 5 stars 211 customer reviews

4.5 out of 5 stars
Best Sellers Rank #5,299 in Home Improvements (See top 100)
#4 in Home Improvement > Safety & Security > Household Sensors & Alarms > Water Detectors & Alarms
Shipping Weight 1.4 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available November 17, 2009

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

From the Manufacturer

Customer Reviews

Top Customer Reviews

Verified Purchase
I was unfortunate enough to experience water damage in two different homes in less than 2 years. Both caused by leaking appliances. After the first incident, I had detectors in my next home, but the leak was such that it missed detector as the water traveled down a pipe in a wall. As I result I now use different detectors depending on the location and where the water is most likely to flow.

Now for the specifics on this unit:
Pros:
1) Loud enough (similar to smoke alarm)
2) Simple to change the battery (slide panel on side)
3) Ability to place the detection contacts upto 6ft from the alarm.

Cons:
1) No battery indicator, but its easy/quick to test. Just make sure you test it regularly
2) Spot detection only (more specifics below)
3) Size - its not going to slide into some places, but you can pull out the sensor and place it, but likely will want to tape the sensor in place to insure it does not move.

There are dozens of water detectors on the market and the majority come in one of two types. Spot and area detection. Spot detectors, like this one - typically have two sensors that require moisture to come in contact with the sensors to activate the alarm. This unit has two metal sensors and moisture must contact BOTH to activate the alarm. The drawback is that unless moisture contacts both sensors, no alarm - so the area you are protecting is VERY small. As such, you must think about where water is most likely to come FROM and the path it is likely to take and place the sensor in that path.

Area detectors: These use a sensor wire that can be many feet in length and some allow extensions and even multiple sensor wires. The alarm is activated when moisture comes in contact with any portion of the sensing wire.
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Verified Purchase
the unit must be in the upright vertical position to have the sensor tabs contact the floor. If knocked over much more water would have to accumulate to possibly set it off. Other sensors have contacts on the base and on the back.
1 Comment 37 of 37 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I just received three of these water detectors. The alarm is just about as loud as a smoke alarm. The six foot extension wire is great for a water heater closet. You can put the water sensor next to the water heater and put the alarm unit outside of the closet where you can be sure to hear it. After placing the sensor on the floor, I gently placed a narrow piece of masking take over the top of it to gently secure it to the floor. I tested the unit several times with the tape holding the extended sensor down and it worked great each time. Without the tape or some sort of small weight the sensor could easily flip upside down and not respond to water as quickly.
Comment 50 of 53 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I shopped for water leak detectors after a leak behind my fridge caused some wood flooring to buckle. These arrived today, and I tested all three with a little water on the counter and even a damp paper towel. The alarm was quite audible. One reviewer complained detaching the sensors renders them useless, because they can't be kept in contact with the floor. I detached the sensors out of curiousity and experienced no problem in keeping them in surface contact. Otherwise, I'm sure just attaching painter's tape would suffice. Another reviewer complained about the lack of a low battery indicator. The manual states a battery will last a year. I marked the battery install date on painter's tape and placed them on the units. (Yes, I do love painter's tape.) I would recommend these to any homeowner. Very happy with this purchase.
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Verified Purchase
Having a leaking water pipe in a part of the house that sometimes goes unnoticed for several days, I decided I needed a few good water alarms.

After reading the reviews on both the Zircon and First Alert models, I decided to purchase a three-pack of each, the First alert being about a buck more apiece.

Each brand included batteries and they are about the same physical size. Each operates in the same method, with the unit placed on the floor or other location likely to be flooded with the sensors at the bottom. The Zircon actually sits on it's back (flat side down) and the First Alert on its bottom (smallest side down). After a careful study of each, I think that the Zircon in a better choice for several reasons:

- The Zircon will actually float and keep operating if situated properly

- While both models seems to have an alarm about equally loud, the Zircon is a pulsating pitch, which to me would be more noticeable. The First Alert has a constant single pitch high alarm. In a remote location where the sound would be diminished, it would be less noticeable, blending in with background noise like planes or appliances.

-The First Alert comes in a "frustration-full" plastic package which of course takes a demolition crew to get open. The Zircon in a simple small cardboard box with padding.

-The Zircon is a little less cost.

-The First Alert is more likely to get tipped over, placing the sensors in a location where they wouldn't activate until water was deeper. If it was knocked on it's front, the sound would be substantially reduced and water would enter the unit, possible making it inoperable.

The only possible benefit of the First Alert it that the sensor can be set lower than the actual unit.
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First Alert WA100-3 Water Alarm, 3-Pack
This item: First Alert WA100-3 Water Alarm, 3-Pack
Price: $29.49
Ships from and sold by Amazon.com

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