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Customer reviews for Kidde Smart Water Leak & Freeze Detector, Battery Powered for
Kidde Smart Water Leak & Freeze Detector, Battery Powered
4 out of 5 stars
stars
71 ratings71 reviews
  1. 5 stars51% (36)
  2. 4 stars24% (17)
  3. 3 stars11% (8)
  4. 2 stars6% (4)
  5. 1 star8% (6)

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Showing 1-10 of 71 reviews
Dec 25, 2025
Reviewer name: Owen
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Minor Setup Problem I had

I'm an retired electronics technician and had hard time working with my phone's ability to read the QR codes. However, when it worked, it just about set itself up with no additional programming. A great feature is that it sends the alarm signal to the app on your cellphone so you are notified even if your not home. Note: When testing it out with water, I did it outside since the alarm has a ear piercing volume, and I have cats in my home.

Review from walmart.com
Helpful?1JH0HNCO70PM13931574088
reply from Kidde Expert

We appreciate you sharing your feedback of your experience with us. We're glad to see that you are enjoying some of the features!

May 3, 2024
Reviewer name: Martin
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good product

Connects to wifi and a phone app, for immediate notification of a flood. Remote monitoring in real time is why I bought this, to hopefully avoid or reduce property damage in the event of a leak. Hopefully I’ll never need to use this but it’s nice peace of mind. Battery level and wifi signal strength also shows on the phone app.

Review from walmart.com
Helpful?1JH0HNCO70PM13931574088
Oct 6, 2025
Reviewer name: David
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I bought this from previous experience with this product. Works as advertised.

Review from walmart.com
Helpful?1JH0HNCO70PM13931574088
reply from Kidde Expert

Hi there, thank you for your thoughtful review! We appreciate your feedback and will use it to continue improving our products and services!

Sep 13, 2023
Reviewer name: Oldtreker
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works well easy set up

This item started and paired quickly. Tested it twice before putting it behind our washer dryer combo unit. Uses two alkaline batteries included. Note this unit looks like a few less expensive ones I had to return because they were unreliable.

Review from walmart.com
Helpful?1JH0HNCO70PM13931574088
Sep 17, 2022
Reviewer name: Marie1990
5 out of 5 stars
5 out of 5 stars review

Great to have

[This review was collected as part of a promotion.] This has been a great addition to our house the first year after we bought the house the first winter our pipes froze we had no idea till it was too late having this this year around was awesome not only were we able to insulate the pipes but it let us know when they were beginning to freeze

Review from Kidde
Helpful?1JH0HNCO70PM13931574088
reply from Kidde Product Support

Hello. We appreciate the praise. Call us at 1-800-880-6788 if there are ever any issues or questions we can help you with or anything we can do for you.

Mar 19, 2024
Reviewer name: NJSHOPACHOLIC
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

Functional

I like that I can check the status on my phone. I have two and the only thing that needs to change is the interface on the app. If you have more then one u have to go clicking to see the other device and if u didn’t know any better u might think it’s not hooked up

Review from walmart.com
Helpful?1JH0HNCO70PM13931574088
Jun 16, 2022
Reviewer name: Anonymous
4 out of 5 stars
4 out of 5 stars review

A great product idea

[This review was collected as part of a promotion.] This product has a great idea behind it, although I have yet to have an issue with water leaks or freezing temperatures so until that happens I won’t know if it actually works, lol. Hopefully if those issues arise it will alert me as it is supposed to. Overall, a great idea and if it works when the unfortunate time may come, it’s nice to know I will have a warning.

Review from Kidde
Helpful?1JH0HNCO70PM13931574088
reply from Kidde Product Support

Hello. The hope with a safety product is always that you will never need it because you will never have an emergency needing a safety product and that you will always be safe. We appreciate the praise. Call us at 1-800-880-6788 if there are ever any issues or questions we can help you with or anything we can do for you.

Jun 9, 2022
Reviewer name: Jimmy2Elbows
4 out of 5 stars
4 out of 5 stars review

Works as it says

[This review was collected as part of a promotion.] This product is really cool. I didn't realize that this device existed. It does help to have this especially if you live in colder areas or where there may be more rain. I would recommend this to anyone.

Review from Kidde
Helpful?1JH0HNCO70PM13931574088
reply from Kidde Product Support

Thank you! We appreciate the praise. Call us at 1-800-880-6788 if there are ever any issues or questions we can help you with or anything we can do for you

Sep 13, 2026
Reviewer name: Alan
3 out of 5 stars
3 out of 5 stars review

Verified Purchase

Maybe it works.

The item's original packaging looked shop-worn like it had been sitting around somewhere in strong sunlight. However, it was sealed and its enclosed AA batteries were in their original packaging and worked. The unit was bothersome to connect to my cell phone, It tests OK when tried in a test puddle of water so I hope it will alert me if my HWH starts leaking.

Review from walmart.com
Helpful?1JH0HNCO70PM13931574088
reply from Kidde Expert

Hi Alan, we appreciate you sharing your experience with us. We understand the trouble connecting the alarm to your phone was frustrating. If you’d like some help with the connectivity, please reach out to us at 1-800-880-6788 or Kidde.Product.Support@kgsolutions.com, and we’ll be happy to help.

Dec 15, 2024
Reviewer name: Tom
2 out of 5 stars
2 out of 5 stars review

Verified Purchase

Problems with the Kidde app

There are problems with changing the email address in the app. Once you try to change it the app gets stuck on the "Add Property" screen and will not go past this point. A message appears stating "Something went wrong, please try again". I contacted Kidde support but the issue has not been resolved. In order to use the app I had to shut off wifi then turn it back on, then log in using the old email address.

Review from walmart.com
Helpful?1JH0HNCO70PM13931574088
reply from Kidde Expert

Hello. We are having issues reproducing this issue. Please call us at 1-877-542-5471 while on location with your alarm and your phone.. If the person who is helping you isn't finding the answer, please ask for another.