Alarm Flood & Freeze Sensor - White
Alarm Flood & Freeze Sensor - Alarm Flood and Freeze Sensor situated on a wet, tiled floor next to a bathtub and plumbing fixtures.
Alarm Flood & Freeze Sensor - Alarm Flood and Freeze Sensor situated in a cupboard under a sink.
Alarm Flood & Freeze Sensor - Alarm Flood and Freeze Sensor situated on the tiled floor of a bathroom.
Alarm Flood & Freeze Sensor - White
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Alarm Flood & Freeze Sensor

4.5

4.5 out of 5 stars
4.5 out of 5 stars
4.5 out of 5 stars
4.5 out of 5 stars
4.5 out of 5 stars
4,955

$34.99

Take up to 18 months to pay with as low as 0% APR on some term lengths and no late fees. Prequalify now.
Place the Alarm Flood and Freeze Sensor on the floor or any flat surface under a sink, refrigerator or any other water source, and get alerts when water or low temperatures are detected.

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Fastest delivery on Mon, Feb 24 or Standard delivery on Tue, Feb 25

Need help deciding? Build your system or call 833-906-1146 to speak with an Expert.

Help protect your home from water damage.

Place Sensors near water sources at home to stay ahead of potential leaks and frozen pipes. get notifications when water is detected or when the temperature drops below 40°F. Add Alarm Professional Monitoring to your eligible Ring Home Plan, subscription required, sold separately, and we’ll give you an automated call to let you know there’s an issue.

  • Requires Ring Alarm or Ring Alarm Pro Security Kit.
  • Sends mobile and email notifications (subscription required, sold separately).
  • Get mobile and email notifications when triggered.

Tech Specs

Size and Color Arrow Icon

Dimensions

Diameter: 2.95 inches (7.5 cm.)
Height: 1.06 inches (2.7 cm.)

Available Colors

White

Power and Connectivity Arrow Icon

Power

3V Lithium Battery (included), non-rechargeable

Battery Life

Max 3 Years

Connectivity

Z-Wave (up to 250-foot range to Base Station)

Installation Arrow Icon

Operating Conditions

32°F to 120°F (0°C to 49°C)

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Frequently Asked Questions

Where does Alarm Flood & Freeze Sensor ship to?

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Alarm Flood & Freeze Sensor ships to the continental US (excluding American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands) and Canada.

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Amazon Customer Reviews

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4.5 out of 5

4,955 global ratings

5 star
77%
4 star
11%
3 star
5%
2 star
2%
1 star
5%
Reviews with images

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Previous
Offers fast response and peace of mind even when not home!Offers fast response and peace of mind even when not home!Works well,great for basementsWorks well,great for basementsGreat water sensor! Horrible freeze detectionGreat water sensor! Horrible freeze detectionSuper easy to installNice to have around home where possible leaks can be identified timelyVery helpfulEasy to install and works as expected.Easy to install and works as expected.Even Detects Dog Pee!Even Detects Dog Pee!Quality sensorQuality sensor

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Verified Purchase

Absolute money saver!

Reviewed in the United States on April 25, 2024
This device has saved me over hundreds, if not thousands, of dollars! I placed this near the overflow valve on my water heater to detect any possible leaks down the road. Well not even a year later the sensor went off and sure enough the water heater had started leaking and failing. Had it not been ... Read more
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Verified Purchase

Easy Installation and Peace of Mind

Reviewed in the United States on April 17, 2024
I recently installed the Ring Flood Alarm Sensor in my home and I couldn't be happier with the results. The installation process was incredibly easy and straightforward, taking me just a few minutes to have it up and running. All I had to do was place the sensor in the desired location, connect it t... Read more
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Verified Purchase

Lifesaver Alert: Superior Basement Protection

Reviewed in the United States on March 4, 2024
The Ring Flood Sensor has become an indispensable asset in our home, shielding us from basement flooding on two separate occasions. Living in an area prone to heavy rains, the threat of water damage loomed large until we installed this remarkable device.

The Ring Flood Sensor's advanced t...
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Verified Purchase

Slightly More Difficult to Install

Reviewed in the United States on August 6, 2019
Thanks goodness I've never had my flood sensor go off, but given the quality of the other Ring security components, I'm certain that it will if I have a water problem. I've placed mine on the floor between my hot water heater and my well pump.

Installation was a bit more complicated than...
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Verified Purchase

Great product and huge money saver

Reviewed in the United States on August 28, 2024
I have 4 of these throughout my basement. I bought these about 2 years ago and have had 2 incidents that these helped me with which saved me thousands of dollars in potential damage. If you're on the fence about buying these just buy them before it's too late.

Pros:
- Easy installa...
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1Professional Monitoring is an add-on plan that first requires a compatible Ring Home subscription. Both sold separately. Service available within the U.S. (all 50 states, but not U.S. territories) and in Canada (excluding Quebec). Ring does not own its monitoring center. Smoke and carbon monoxide monitoring is not available for business or commercially zoned addresses. See Ring Alarm licenses at: ring.com/licenses. Additional fees may be required for permits, false alarms, or Alarm Verified Guard Response, depending on your local jurisdiction.

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