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frontpageNeedMoCoffee | Staff posted Jul 31, 2026 2:46 PM

Kidde WiFi Water Leak Detector & Freeze Alarm

$17

$35

51% off
Amazon
12.6K Views
Get Deal at Amazon
Deal Details
TGB Supply via Amazon has Kidde WiFi Water Leak Detector & Freeze Alarm for $17.15. Shipping is free with Prime or on $35+ orders.

Walmart also has Kidde WiFi Water Leak Detector & Freeze Alarm for $17.15. Shipping is free w/ Walmart+ (30-day trial for $1) or on orders of $35+.

Thanks to Deal Hunter NeedMoCoffee for sharing this deal.

About this item:
  • Water sensor provides early detection of water leaks or freezing conditions, so you can take steps to avoid damage
  • Detects freezing conditions when temperature reach 37 degrees Fahrenheit or when there is a rapid temperature drop
  • Battery powered: 2 AA batteries are included for simple operation & replacement
  • Sleek & small design allows for placement next to dishwashers, refrigerators, water heaters, toilets, or under sinks - ideal for use in basements or garages
  • WiFi-enabled technology allows notifications to be sent to your smartphone (as well as friends & family) in the event of a water leak or freeze hazard in your home
  • Easy setup & installation: download the Kidde app, scan the QR code on the device, & follow the step-by-step instructions
  • Compatible with Amazon Alexa, Google Home, iPhone, & Android smart devices
  • 1-year limited manufacturer warranty on alarm only - warranty begins when the alarm is powered on - if that date is unknown, it should be assumed that replacement is needed.

Editor's Notes

Written by johnny_miller | Staff

Original Post

Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
TGB Supply via Amazon has Kidde WiFi Water Leak Detector & Freeze Alarm for $17.15. Shipping is free with Prime or on $35+ orders.

Walmart also has Kidde WiFi Water Leak Detector & Freeze Alarm for $17.15. Shipping is free w/ Walmart+ (30-day trial for $1) or on orders of $35+.

Thanks to Deal Hunter NeedMoCoffee for sharing this deal.

About this item:
  • Water sensor provides early detection of water leaks or freezing conditions, so you can take steps to avoid damage
  • Detects freezing conditions when temperature reach 37 degrees Fahrenheit or when there is a rapid temperature drop
  • Battery powered: 2 AA batteries are included for simple operation & replacement
  • Sleek & small design allows for placement next to dishwashers, refrigerators, water heaters, toilets, or under sinks - ideal for use in basements or garages
  • WiFi-enabled technology allows notifications to be sent to your smartphone (as well as friends & family) in the event of a water leak or freeze hazard in your home
  • Easy setup & installation: download the Kidde app, scan the QR code on the device, & follow the step-by-step instructions
  • Compatible with Amazon Alexa, Google Home, iPhone, & Android smart devices
  • 1-year limited manufacturer warranty on alarm only - warranty begins when the alarm is powered on - if that date is unknown, it should be assumed that replacement is needed.

Editor's Notes

Written by johnny_miller | Staff

Original Post

Community Voting

Deal Score
+39
Good Deal

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14 Comments

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Jul 31, 2026 10:58 PM
196 Comments
Joined Dec 2015
tgeenycJul 31, 2026 10:58 PM
196 Comments
Hmmm they shouldve made this with a notification to our smart phones. Ring has one but I wait till it goes on sale also. But you need a Ring Hub.
4
Jul 31, 2026 11:49 PM
9 Comments
Joined Nov 2012
PaulS7412Jul 31, 2026 11:49 PM
9 Comments
Quote from tgeenyc :
Hmmm they shouldve made this with a notification to our smart phones. Ring has one but I wait till it goes on sale also. But you need a Ring Hub.
WiFi-enabled technology allows notifications to be sent to your smartphone (as well as friends & family) in the event of a water leak or freeze hazard in your home
Aug 1, 2026 12:29 AM
1.1K Comments
Joined Feb 2012
yakkyAug 1, 2026 12:29 AM
1.1K Comments
While these are probably fine, YoLink makes leak detectors that are awesome, crazy range and battery life (4 years and going here). Their app is really slick too and it plays well with stuff like Home assistant to do stuff like turn your water off if you do spring a leak.
1
1
Aug 1, 2026 12:53 AM
190 Comments
Joined Jun 2010
kiawia32Aug 1, 2026 12:53 AM
190 Comments
Quote from yakky :
While these are probably fine, YoLink makes leak detectors that are awesome, crazy range and battery life (4 years and going here). Their app is really slick too and it plays well with stuff like Home assistant to do stuff like turn your water off if you do spring a leak.
had those in my saved cart for a few years. Sounds like it's time to pull the trigger
Aug 1, 2026 3:57 AM
13 Comments
Joined Dec 2015
bacondaddyAug 1, 2026 3:57 AM
13 Comments

Our community has rated this post as helpful. If you agree, why not thank bacondaddy

I have the YoLink. Loved it until I had to change the battery. The sensor is impossible to take apart. The rubber seals had to be shredded to be removed, and the little screws are set so deep, they got stripped before I made any movement. Once the batteries die for all the sensors, I'm changing it out to something else.
4
Pro
Aug 1, 2026 4:45 AM
2.5K Comments
Joined Nov 2006
pdinc
Pro
Aug 1, 2026 4:45 AM
2.5K Comments
Quote from tgeenyc :
Hmmm they shouldve made this with a notification to our smart phones. Ring has one but I wait till it goes on sale also. But you need a Ring Hub.
The newest Ring ones don't need a hub
1
Aug 1, 2026 4:54 AM
948 Comments
Joined Mar 2009
dealmastiAug 1, 2026 4:54 AM
948 Comments
Simplisafe water sensors are better as they offer free monitoring if u already have burglar alarm service.
4

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Aug 1, 2026 5:57 AM
117 Comments
Joined Aug 2011
mimi_mechantAug 1, 2026 5:57 AM
117 Comments
Walmart Reviews summary
Pros
Quick to connect: Compact design allows for easy setup and network connection.
Cons
Infrequent updates: App's 24-hour update cycle hinders real-time monitoring.
Unstable wi-fi: Difficulty establishing a stable connection to the network.
Aug 1, 2026 7:38 AM
196 Comments
Joined Dec 2015
tgeenycAug 1, 2026 7:38 AM
196 Comments
Quote from yakky :
While these are probably fine, YoLink makes leak detectors that are awesome, crazy range and battery life (4 years and going here). Their app is really slick too and it plays well with stuff like Home assistant to do stuff like turn your water off if you do spring a leak.
I LOVE YOLINK !!!! ITS one of my best smart home products. Super expensive but worth it
1
Aug 1, 2026 7:39 AM
196 Comments
Joined Dec 2015
tgeenycAug 1, 2026 7:39 AM
196 Comments
Quote from pdinc :
The newest Ring ones don't need a hub
thank you
1
Aug 1, 2026 12:46 PM
58 Comments
Joined Oct 2010
wall9608Aug 1, 2026 12:46 PM
58 Comments
Quote from mimi_mechant :
Walmart Reviews summaryProsQuick to connect: Compact design allows for easy setup and network connection.ConsInfrequent updates: App's 24-hour update cycle hinders real-time monitoring.Unstable wi-fi: Difficulty establishing a stable connection to the network.
It looks like the 24 hr cycle is for temperature only? I see that mentioned but not leak detection
Aug 1, 2026 12:51 PM
179 Comments
Joined Apr 2007
pitterchiAug 1, 2026 12:51 PM
179 Comments

Our community has rated this post as helpful. If you agree, why not thank pitterchi

I bought these because I already had Kidde CO detectors and didn't want another app. Here's what I noticed so far (I bought 6 of them)
  • Shipped & Sold by Amazon gave me a new unopened new box. Buying 3rd party shipped by Amazon got me an opened box used product sold as new. It was noticeable. Ended up returning that one.
  • Connecting to a modern WPA2/WPA3 wifi network didn't work. Ubiquiti in my case. I had to downgrade my IoT wifi to WPA2 only and disable a few settings to get these to connect.
5
Aug 1, 2026 1:18 PM
1.1K Comments
Joined Feb 2012
yakkyAug 1, 2026 1:18 PM
1.1K Comments
Quote from bacondaddy :
I have the YoLink. Loved it until I had to change the battery. The sensor is impossible to take apart. The rubber seals had to be shredded to be removed, and the little screws are set so deep, they got stripped before I made any movement. Once the batteries die for all the sensors, I'm changing it out to something else.
Have you reached out to their support? They are great. The waterproof sensors seem more difficult to service but it's not like a watch or iPhone battery. But yeah there are seals and little plugs.
Aug 1, 2026 2:13 PM
320 Comments
Joined Nov 2012
OhHimAug 1, 2026 2:13 PM
320 Comments
Have 3. They only connect to a separately named 2.4ghz Wi-Fi network with my (stock Xfinity) router which took a while to figure out. Good battery life.

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