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Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3 Packs

4.4 4.4 out of 5 stars 1,428 ratings
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Purchase options and add-ons

Color White
Brand Topvico
Power Source Battery Powered
Product Dimensions 1.77"L x 0.87"W x 3.94"H
Battery Description Alkaline

About this item

  • 120dB loud alarm voice, keep alarm to notice you or neighbors until the water dry or sensor turn off (easy to hear the alarm coming from the basement), low cost and effective water leak alarm to prevent water damage at your home and business
  • High sensitive 24k plating detect board, repeated use after dry the board (if you no need high sensitivity, please try "B0BYHS79W5" with similar cost)
  • 3M double side paster (included) for easy install anywhere
  • 37.8 inches cable, easy extend more than 150 ft. of wire by user (normal electric wire available, not include), detect water anywhere corner (good for detecting when the sump pump has reached a high water level), suit for basement, heater leak, underground, washing machine, kitchen, sump pump overflow, etc
  • Supply by 9V battery (not include, suggest use brand Alkaline battery), battery life will be about 12 months for normal use (low quality battery about 6 months, very high frequency alarm or testing, battery life will be shorter)
› See more product details

Customer ratings by feature

Noise level
5.0 5.0
Easy to install
4.7 4.7
Easy to use
4.6 4.6
Value for money
4.4 4.4
See all reviews
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Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3 Packs
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THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm
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Product guides and documents

User Manual (PDF)

Product Description

Topvico Water Alarm basement sump pump leak detector

Low cost and effective water leak alarm, prevent water damage at your home and business,

suit for Laundry, basement water alarm, water heater leak, etc

How to Use the Water Leak Detectors?

Topvico water leak detector alarm sensor

Flood Alarm

water leakage dishwasher

1, Install Battery

Install 1 unit 9V battery, suggest use brand and Alkaline battery.

2, Confirm where to Put the Detect Board

- Check where need detect leakage, put the detect board.

- If need extend the cable length, just cut the original cable of detector, add normal electric wire.

3, Fix the Alarm Host

Use included double-sided tape to fix the alarm host (host not waterproof).

Specifications

Volume 120dB
Cable for detect cable 37.8 inches cable, easy extend more than 150 ft.
Small size 3.93*1.77*0.87 inches
Power supply 1 unit 9V battery (not inclulde)
Note If the detection board is placed directly on metal, please put a piece paper under the board to avoid false alarms.

How to use?

water alarm leak detector

- Install 1 unit 9V battery

- Turn on the switch

- Test with water

- Dry the detect board

- Confirm the detect board position

- Paste the sensor with included double paster

Where to use?

water detector alarm

flood sensor

water sensor alarms

moisture detector

Water Leak Monitoring Notification water detector alarm water leak sensor Pool Underground Water Alarm
TP-206W-3 Water Alarm TP-206W-5 Water Alarm TP-518W-3 Water Alarm TP-618W-2 Water Alarm
See Details
Customer Reviews
4.4 out of 5 stars
1,428
4.7 out of 5 stars
333
4.4 out of 5 stars
127
4.6 out of 5 stars
173
Price $15.29 $22.95 — $17.95
Volume 120dB 120dB 90dB 110dB
Cable 37.8 inches cable 37.8 inches cable No No
Quantity 3 pack 5 pack 3 pack 2 pack
Battery 1 Unit 9V battery (not include) 1 Unit 9V battery (not include) 1 Unit 9V battery (not include) 1 Unit 9V battery (not include)

Product information

Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here

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Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3 Packs

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Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3 Packs
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Price-30% $15.29
List: $21.95		$45.99$36.99-12% $26.99
List: $30.59		$15.99$11.99
Delivery
Get it as soon as Monday, May 13
Get it as soon as Monday, May 13
Get it as soon as Wednesday, May 15
Get it as soon as Tuesday, May 14
Get it as soon as Tuesday, May 14
Get it as soon as Monday, May 13
Customer Ratings
4.44.4 out of 5 stars1,428
4.54.5 out of 5 stars1,238
4.44.4 out of 5 stars25
4.54.5 out of 5 stars211
4.54.5 out of 5 stars707
4.54.5 out of 5 stars736
Easy to install
4.7
4.6
4.6
5.0
5.0
4.4
Battery life
4.3
5.0
4.6
4.7
4.3
4.5
Value for money
4.4
4.3
—
4.5
4.3
4.4
Tech Support
3.9
3.9
—
4.7
4.5
4.1
Noise level
5.0
—
4.5
—
4.2
—
Sold By
Topvico INC
GEEVON Electronics
Geeanun
Povlen Direct
Future Day
Metak US

Important information

Bulb Voltage

9 volts

Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,428 global ratings

Customers say

Customers like the performance, value, and ease of installation of the alarm. For example, they mention it works well, is cheap, and easy to install. That said, opinions are mixed on volume, water resistance, leak sensors, and sensitivity.

AI-generated from the text of customer reviews

118 customers mention91 positive27 negative

Customers like the performance of the alarm. They say it works well, is simple to operate, and activates with just a drop of water. The on/off switch is very useful when the alarm sounds, and the build quality is acceptable. Some mention that the alarm is perfect for their small 2 story house, and that the build is acceptable and what it should do.

"...It seems to be working well. I tested it and it quickly reacted to water with a loud an piercing tone...." Read more

"...WELL WORTH EVERY PENNY SPENT. THEY WORK WELL AND YOU'LL KNOW IF YOU HAVE ANY KIND OF LEAK IF PLACED COREECTLY...." Read more

"Works real good. I wish it had a battery test button on it. I installed lithium batteries so hopefully they last a long time...." Read more

"...The carpet was soaking wet and the alarm never went off. I even pushing the sensor by hand in to the sopping wet carpet - it still didn't go off...." Read more

51 customers mention39 positive12 negative

Customers like the value of the alarm. They say it's a great product for the price and has saved them from expensive repairs.

"...This is really a good bargain, its so cheap and is working as advertised." Read more

"...IM SOLD ON THEM....THEY ALREADY PAID BACK IN A HuGE WAY! worth every penny , can't stress enough! Simple but powerful. saves $$$ from damage ." Read more

"...But for the money, these are the best lower priced devices I've found...Most importantly, the flat sensor can be taped securely to the floor with..." Read more

"...I don’t live in a humid climate either. The electronics are just cheap and 2/3 were shorted out and complete their connection by themselves without..." Read more

41 customers mention41 positive0 negative

Customers find the installation of the water sensor to be easy. They mention that it is simple and easy to install, with no instructions necessary. They also say that the job of a water sensor is pretty simple, requiring it to sense water.

"Easy to use works great" Read more

"...Even a few raindrops dripping in from flue, set it off on contact. Simple and Works.." Read more

"...And I love these. They are SIMPLE. Battery in, turn on. Done. Lick your finger and touch the sensor to check that it's working...." Read more

"Great price. Simplicity. Extremely loud. I guess that is good." Read more

91 customers mention51 positive40 negative

Customers are mixed about the volume of the alarm. Some mention it's very loud and effective, while others say it'll only produce a barely audible whine.

"...Its super loud and you can hear it even if it is hidden up in the attic...." Read more

"Very sensitive. Loud" Read more

"...where they should not, the immediate, distinctive, and loud siren is a strong deterrent...." Read more

"Make a high pitch noise when I put it in water. Hopefully I never have to hear it go off." Read more

22 customers mention12 positive10 negative

Customers are mixed about the water resistance of the alarm. Some mention it's very loud and sensitive to water, has saved them from water damage, and has a reliable response to small amounts of moisture. However, others say that it gets set off by a damp environment even when dry.

"It's easy to use and by small amount of moisture siren starts. It's loud enough to be heard almost from everywhere at home...." Read more

"...Today we discovered they did not work for this purpose. The carpet was soaking wet and the alarm never went off...." Read more

"...Very loud noise, and very sensitive to any water...." Read more

"...Our aquarium was pouring water from the bottom!" Read more

17 customers mention9 positive8 negative

Customers are mixed about the sensitivity of the alarm. Some mention that it's super sensitive and responsive, while others say that it is not as sensitive as the Watchdog.

"...--The sensor is so sensitive that it detects even a drop of water that is splashed onto it...." Read more

"Very sensitive. Loud" Read more

"...you if you detect a speck of water in your basement area there’s super sensitive." Read more

"...The sensor is VERY sensitive. This can be a problem, if placing it in a damp area (like near/in a sump)...." Read more

16 customers mention9 positive7 negative

Customers are mixed about the leak sensors. Some mention it's a great alternative to being aware of any leaks, it caught the leak right away, and it warns about a potential flood. However, others say that the sensor contacts came into contact with water and the alarm went off, saving them.

"This is just a simple leak monitor, no apps, no remote detection, just a simple put it where you need it...." Read more

"...Dishwasher leak caused major floor damage. This should alert me if there happens to be a repeat...." Read more

"...A week after I installed this, it warned me of a leak, that probably would have gone unnoticed, and caused a major problem." Read more

"...This caused it to start leaking. Another one of these sensors went off and saved our basement from flooding again...." Read more

14 customers mention0 positive14 negative

Customers are dissatisfied with the quality of the alarm. They mention that it's incredibly cheaply made, fragile, and not super-reliable. The wires are exposed and the sensor is not well made. Some say that the alarm is flimsy and inconsistent.

"...TLDR - Don't buy for carpet. Flimsy, inconsistent, alarm." Read more

"...the sensor and the wire could use some reinforcement - it seems very fragile...." Read more

"...They are cheaply made and the battery lid is not easy to remove. It is hard to see if the switch is on or off since it is white, like case...." Read more

"...This is so cheap. The wires are exposed and the sensor is not well made and I tested it and not as sensitive as the Watchdog." Read more

This could save a lot of money in repair
5 Stars
This could save a lot of money in repair
This photo shows where there was a leak under my kitchen sink. A week after I installed this, it warned me of a leak, that probably would have gone unnoticed, and caused a major problem.
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Top reviews from the United States

daisy lani
5.0 out of 5 stars super loud
Reviewed in the United States on January 2, 2024
Verified Purchase
This is just a simple leak monitor, no apps, no remote detection, just a simple put it where you need it. Its just what I was looking for as I didn't want to be bothered with installing another app on my phone. I got this to put in a ac drip pan to monitor for any leaks or blockages in the condensate drain. It seems to be working well. I tested it and it quickly reacted to water with a loud an piercing tone. Its super loud and you can hear it even if it is hidden up in the attic. Not sure how long the batteries will last so I'll just replace it annually (if I can remember). This is really a good bargain, its so cheap and is working as advertised.
One person found this helpful
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HFLT
5.0 out of 5 stars PAYS BACK TEN FOLD IF WATER LEAK - AND IT WORKS!
Reviewed in the United States on January 17, 2024
Verified Purchase
Saved me a whole lot of massive damage . were having really bad Northwest wesather below freezing several days blizzard and now Ice storm. 6am heard the siren from upper floor - knew immediately there was a water leak somewhere , ran down stairs , sure enough the garage alarm was loud and warning as I had burst pipes. shut water down immediately and saved a whole lot of further damage by these waking me up.
WELL WORTH EVERY PENNY SPENT. THEY WORK WELL AND YOU'LL KNOW IF YOU HAVE ANY KIND OF LEAK IF PLACED COREECTLY. Spending little for the 3 units but were worth much more for warning me an issue was at hand. If you worry about leaks and want something to notify you these work great!
Seriously had the water continued I would have had a few hundred dollars damage - I have 6 units throughout the house wherever there could be leaks. IM SOLD ON THEM....THEY ALREADY PAID BACK IN A HuGE WAY! worth every penny , can't stress enough! Simple but powerful. saves $$$ from damage .
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Scott
4.0 out of 5 stars It's loud when it gets wet
Reviewed in the United States on November 21, 2023
Verified Purchase
Works real good. I wish it had a battery test button on it. I installed lithium batteries so hopefully they last a long time. I had a window leak that rotted the wall out. I placed the sensors under the window sill and the siren/battery box on top of the window sill. They have about 2' of wire between the sensor and siren/battery box.
2 people found this helpful
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anyone
5.0 out of 5 stars Fast, simple, loud, distinctive, effective
Reviewed in the United States on August 14, 2023
Verified Purchase
This 3-pack will work well for a variety of wetness-related needs. Water leaks, overflows, pet behavior issues, and more. The small sensor boards use fine gold-plated copper tracks. Once wet, be sure to clean and dry the sensor before returning it. If you use it to deter pets from wetting where they should not, the immediate, distinctive, and loud siren is a strong deterrent. (you'll need to put the sensor and wire where the pet cannot easily reach it, yet still in the problem area. There is usually a way to make this work.)
2 people found this helpful
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Amazon Customer
5.0 out of 5 stars Work great! Easy to use.
Reviewed in the United States on December 25, 2023
Verified Purchase
Easy mount tape and a 9v and you are good to go. Nice loud alarm with unique sound.
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Earl H Crabb
5.0 out of 5 stars GET THESE ALARMS! Saved me from a big mess
Reviewed in the United States on March 7, 2024
Verified Purchase
I purchased these November...I've been around long enough that in a house you may get a leak and most likely won't know it until the damage is done! I'm in a 2 story with a bathroom directly above my kitchen and behind my electric panel so I went the extra mile and installed a 2' x 2' access door in this location of the ceiling to do an occasional inspection yearly to make sure there were no signs of a drip. I went a step further and picked up these alarms and installed them in 3 locations, my furnace's condensation pump, my washing machine and yes, this critical area for a big potential hazard near the electrical panel not in the too far distance below and behind, but very possible scenario. Tonight it starts sputtering and I immediately open the door within minutes and inspect...sure enough...I need another partial turn on the tub's drain flange to synch it up from my daughter filling the tub. She has used this for over 2 months and I've tested with full tub, but for some reason, tonight was that night! THANK YOU for this product...I didn't have a teaspoon of water spill before this thing did it's job perfectly!
One person found this helpful
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CJ from Kalamazoo
3.0 out of 5 stars Doesn't work on/near carpeting but good customer service
Reviewed in the United States on July 16, 2023
Verified Purchase
Edited to add: After the original review was posted, the vendor reached out and offered an apology and a full refund. I appreciated that, and added back some stars. I still don't recommend this product for carpeting, but they clearly stand by their product and could be worth a try for a flat flooring like concrete, linoleum, etc.

Original review:
In Oct. 2022, we had a downspout get clogged, and for the first time in 15+ years, we got water in a carpeted area of our basement. We dried it out, and got these alarms to place along the floor near the baseboards of the wall.

The sensors are lightweight, thin metal boards. They don't like to lay down/lay still on their own... if the cord gets nudged at all, they like to turn up on an edge or move around. We wedged them down between the baseboard and the carpeting in the hope that they'd sense the water coming under the baseboard and soaking into the carpeting. We figured sensors near the base of the carpet would be better than one sitting on top of the carpet. We taped the cords along the wall so they wouldn't move and displace the flimsy/lightweight sensors.

Today we discovered they did not work for this purpose. The carpet was soaking wet and the alarm never went off. I even pushing the sensor by hand in to the sopping wet carpet - it still didn't go off. Apparently it won't go off until it is literally submersed in a puddle -- laying on top of a soaking wet surface doesn't work. But the whole point of getting the sensors was to discover the water was coming in BEFORE it got too high!!!

So... don't buy this for carpet. If you are doing an area that concrete or linoleum or something, it might work. [Edited to add: I will say that we tested the sensors before using them, and they *did* work if set into a puddle on a flat surface.] But if you're buying it for a surface like that, there are lots of heavier/sturdier sensors with no cords that might be better.

TLDR - Don't buy for carpet. Flimsy, inconsistent, alarm.
One person found this helpful
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Jeffrey Barnhill
4.0 out of 5 stars They are loud.
Reviewed in the United States on June 11, 2023
Verified Purchase
I have another model (for three times the price), but thought I would try these. I do like the ON/OFF switch. Even with my other model I set the sensor on a paper towel. With these, I wrapped the sensor in a paper towel and them placed a weight on them to keep them in place. I did not take long after the water wicked up for the unit to sound. I tried all three units, and all worked the same. Hoping that the battery life is good. My old unit went years on a 9 Volt.
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Top reviews from other countries

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Chuck
5.0 out of 5 stars Extremely sensitive
Reviewed in Canada on March 9, 2024
Verified Purchase
I just got them and tested all 3 and so far great sensors and super sensitive. Takes little moisture to trigger them. They say to wipe the probe (part at the end of the wire that lies on the floor) after each use or when it contacts water. I can see why because water left on it would probably corrode it. Not a problem because these are far superior to the one I paid much more for and is a brand name. Loud enough to be heard but I question if they are truly 120db but the sound is ear piercing so more than acceptable to me. If you've had water damage in the past these are the best solution to warn of leaks. I have one on the basement floor and one under the kitchen sink and haven't decided where to use the 3rd. For this price and a 2yr warranty these are the most inexpensive solution and so far work great. If you want wireless alerts to phone etc then these are not for you. I have a small house so I can easily hear them. These are the best bang for the buck even if they last only 2yrs because for $22 they are worth every penny for peace of mind.
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led
5.0 out of 5 stars Détecteurs de fuites d'eau
Reviewed in France on February 26, 2024
Verified Purchase
Fonctionne très bien.
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Amazon Customer
5.0 out of 5 stars Effective and loud enough to be heard from a distance
Reviewed in the United Kingdom on November 30, 2023
Verified Purchase
I wanted this as an alarm in case a sump pump failed, its very effective and sensitive I had to move the sensor due to condensation but once I'd figured that out it's been a very good purchase and I would buy again.
One person found this helpful
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Vicente
1.0 out of 5 stars En dos meses ya tengo dos averiados
Reviewed in Spain on November 17, 2022
Verified Purchase
En dos meses ya tengo dos averiados, voy a poner el tercero a ver lo que dura.
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Angus S.
4.0 out of 5 stars Inexpensive and works.
Reviewed in Canada on August 6, 2022
Verified Purchase
Tested the devices and they all work and are very loud. I bought them because the sensor can be placed in the sump above the normal high level, yet below the level where it would be a flood. Doesn’t perform well on high power draw worx tools. Ie 40 Amp chainsaw. Shuts down on overheating. Worx OEM batteries outperform. Seem ok on low draw tools so far.
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