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💧 Stay dry, stay ahead—never let a leak catch you off guard!
The Basement Watchdog 360° Water Alarm combines patented all-around water sensing with a powerful 110 dB alarm in a compact, energy-efficient design. Ideal for placement near sump pits, appliances, and other water-prone areas, it detects even ¹⁄₃₂" of water to alert you early and prevent costly damage. Battery-powered and easy to install, it’s a must-have safeguard for any modern home.


| ASIN | B0BJW3XJRS |
| Audible Noise | 110 Decibels |
| Battery Description | Alkaline |
| Best Sellers Rank | #10,613 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #17 in Water Detectors & Alarms |
| Brand | THE BASEMENT WATCHDOG |
| Built-In Media | THE BASEMENT WATCHDOG Model BW-WA360 110 dB Battery Operated Water Alarm |
| Color | Gray |
| Compatible Devices | Various water-prone devices and areas |
| Control Method | Remote |
| Customer Reviews | 4.6 out of 5 stars 365 Reviews |
| Item Dimensions L x W x H | 2.38"L x 1"W x 3.25"H |
| Item Type Name | THE BASEMENT WATCHDOG Model BW-WA360 110 dB Battery Operated Water Alarm |
| Manufacturer | Glentronics |
| Manufacturer Warranty Description | 5 Year Limited Warranty |
| Mfr Part Number | BW-WA360 |
| Model Number | BW-WA360 |
| Mounting Type | Wall Mount, Pit Mount, Floor Mount, None |
| Number of Batteries | 1 9V batteries required. |
| Power Source | Battery Powered |
| Product Dimensions | 2.38"L x 1"W x 3.25"H |
| Sensor Technology | Contact Sensor |
| Size | One Size |
| UPC | 717301124259 |
| Unit Count | 1.0 Count |
| Voltage | 9 Volts |
A**E
Gives us peace of mind
We bought one of these on a whim and ended up returning to buy more. When we purchased our current home in the fall of 2023 it needed quite a bit of TLC and updating, including a basement clean-up from recurring water issues. One day, while doing laundry, one of our sump pumps failed and 3/4 of our basement had standing water. The plumber found that not only the laundry sump pump had failed, but the other sump pump in the basement recently had as well (it was used for the downspouts and we hadn't had any rain for weeks). After replacing those pumps (one with a battery back-up unit), we knew we needed something else to give us peace of mind. After some research, we found the Basement Watchdog. It was affordable, not super complicated, and easy to "install" (it's small and nicely compact so all you have to do is install the battery and set where you want it and you're all set). We tested it and were impressed by how loud the alarm is. Months later, with no excitement in the basement, we are on the main floor of our house and hear this piercing, consistent alarm noise. We realized it was the Watchdog. Going downstairs, we found the slop sink by the laundry leaking water out of the bottom (the washer drained into the sink). The pipe underneath had cracked when we disconnected it to be able to move the sink and paint the basement walls/floors with DryLok waterproofing and we didn't know until we ran that first wash cycle. There was just a small amount of water accumulated on the floor and the alarm went off. We will install these at all our homes in the future. They are light and compact, efficient, and give us considerable peace of mind. No wifi required either. I'm unsure if there are other units that do offer that additional connectivity, but we're happy at minimum to have that layer of protection.
R**S
Best product ever! Saved us from ourselves.
After two major floods in our laundry area, we purchased this product as a safety measure. It was the best investment. Works perfectly, alarm could wake the dead which is helpful if you are upstairs and the water alarm goes off. like ability to turn the product in almost any direction and it will work.
A**R
Surprising ease of use and extremely loud.
After multiple flood situations in my basement, I started looking for solutions and found this product. As inexpensive as it was, I was surprised with how well it was built. Especially how loud the alarm was when I tested it. Pretty straightforward to use no tools needed.
J**E
Quality
Was easy to install. Once I installed the 9 volt battery I tested it and it went off. I would say that the alarm sound is decent. Not for sure how long it the alarm sound would go off. I believe it said that you would have to get it and pick it up and it would stop the alarm. At this time I would recommend it
C**I
Saved thousands
Great investment for property owners. Had water get into my basement and this made so much noise it was hard to ignore. Saved me from having to replace hot water tanks and I was able to quickly get the water out because of the Watchdog alerting me immediately. A few dollars saved me thousands in damage and repair. Highly recommend and so easy to use.
E**D
Placed next to sump well
Placed next to sump pump well Worked great. Let us know power was out and generator needed to be turned on
J**Y
Water alarm
It's loud, will alert you
A**A
Works great!
This works as expected and was definitely worth the small price for the peace of mind it gives me.
D**A
Great Assist
loud enough to hear at night
M**N
Pour dormir en paix...
Cette batterie n'est relativement pas dispendieuse quand on prend en compte le fait qu'elle peut éviter un gros dégât d'eau. Je l'ai placé à côté du chauffe eau.
Trustpilot
1 week ago
2 days ago