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D-Link DCH-S1621KT Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT), White

4.1 out of 5 stars 354 ratings

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Color White
Brand D-Link
Power Source Corded Electric
Compatible Devices Smartphone
Product Dimensions 2.25"L x 2.32"W x 2.19"H

About this item

  • SMART WATER DAMAGE PREVENTION FOR YOUR HOME – The mydlink Whole Home Smart Wi-Fi Water Leak Sensor Starter Kit provides a quick and easy way to help protect your home and valuables from the damage caused by water leaks. This modular system allows you to monitor multiple locations throughout your home without the need of expensive plumbers or plumbing.
  • BRIGHT LIGHTS, SOUNDS AND PUSH ALERTS – The built-in 100 dB siren and strobing LED light is perfect for alerting you to a leak when you're home. And if you are not at home, the mydlink Wi-Fi Water Sensor will send push notifications to your iOS or Android device. Connect it to a Google speaker and the Google speaker will announce when a leak is detected.
  • FLEXIBLE PLACEMENT – The master plug-in Smart Wi-Fi Water Leak Sensor (DCH-S162) includes a 1M extension cable plus 0.5M sensing cable that detects water along its full length. Perfect for monitoring under an appliance or in tight spaces.

From the brand

Product guides and documents


From the manufacturer

waterproof leak sensor detector home security water damage protection
Immediate Notifications Home Away water leak detector sensor wifi wireless smart home iot

A Responsive Intelligent Hub

A Responsive Intelligent Hub

Master Sensor Plug (DCH-S162) with cord and attachable 1.5m water sensing cable comes complete with one sensor pod plus pre-installed AAA batteries.

Long-Range Water-Sensing Pods

Long-Range Water-Sensing Pods

Portable WiFi Water Sensor Pod (DCH-S163) features a battery life up to 2 years and relies on a Sub-Gig band along with water sensing probes along its bottom to detect bursts or leak at any time. Fits discreetly by washing machines, water heaters, and even far off areas such as an attic or garden shed.

Never Miss An Alert

Never Miss An Alert

The built-in 100 dB siren and strobing LED light is perfect for alerting you to a leak when you're home. And if you are not at home, the mydlink Wi-Fi Water Sensor will send push notifications to your iOS or Android device. Link it to a Google speaker and the Google speaker will announce when a leak is detected.

simple customizable setup

Product information

Technical Details

Number of Batteries ‎2 AAA batteries required. (included)
Voltage ‎240 Volts
Control Method ‎App, Voice
Noise Level ‎100 dB
Mounting Type ‎Wall Plug
Sensor Technology ‎Contact Sensor
UPC ‎790069460999
Global Trade Identification Number ‎00790069460999
Manufacturer ‎D-Link Systems, Inc.
Part Number ‎DCH-S1621KT
Item Weight ‎5.1 ounces
Product Dimensions ‎2.25 x 2.32 x 2.19 inches
Item model number ‎DCH-S1621KT
Batteries ‎2 AAA batteries required. (included)
Size ‎Small
Style ‎Water Sensor 2-Pk
Item Package Quantity ‎1
Special Features ‎Water resistant
Included Components ‎1x DCH-S162, 1x DCH-S163, 1x Mounting Kit, 1x Cable Mounts, 1x Extension Cable, 1x Sensor Cable, 1x QIG
Batteries Included? ‎Yes
Batteries Required? ‎No
Battery Cell Type ‎Alkaline
Warranty Description ‎Limited Warranty

Additional Information

ASIN B093CPQRJX
Customer Reviews
4.1 out of 5 stars 354 ratings

4.1 out of 5 stars
Best Sellers Rank #141,477 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#106 in Water Detectors & Alarms
Date First Available April 23, 2021

Warranty & Support

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D-Link DCH-S1621KT Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT), White


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Product Description

The Water Leak Sensor Starter Kit is an easy to use DIY leak detection solution for the home that notifies you of any water leaks as soon as they occur, so you can avoid costly water damage repairs from leaks that go undetected. The kit includes a Master Unit (or Hub) with attachable sensing cable, and a battery powered sensing Pod. The Hub plugs into any wall outlet, while the sensing Pod can be placed in areas susceptible to water leaks such as the washing machine, water heater, under sinks. The Pod sports two pre-installed AAA batteries for up to 5 years of battery life. Both units are super easy to set up and come pre-paired to the mydlink app which can be downloaded onto your smartphone and easily connected to your home’s existing WiFi. The multi-alert system (audible, visual, mobile) makes it accessible whether home or away. The Hub’s LED strobe light is powerful for visual notification, while the Hub’s built in 100 dB alarm is easily heard. You can also connect to Google Speaker for voice alerts, and finally rich notifications are sent to your mobile phone. Scalable and versatile you can add up to 16 Pods throughout your home. The Pods low profile design make it easy to place discreetly and the sensing cable allows for more out of reach placement. The reliable mydlink water sensor kit is always on so when you are away you have peace of mind.

Top Brand: D-Link

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D-Link DCH-S1621KT Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT), White
D-Link DCH-S1621KT Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT), White
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PriceCurrently unavailable.$69.99-35% $35.99
List:$54.99
$29.57$49.99
Delivery
Get it as soon as Sunday, May 4
Get it as soon as Sunday, May 4
Get it as soon as Sunday, May 4
Customer Ratings
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Important information

Bulb Voltage

240 volts

Customer reviews

4.1 out of 5 stars
354 global ratings

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Customers say

Customers find the water leak sensor works well with Google and is very easy to set up, with one customer noting the mobile app guides through setup. The water sensor itself receives positive feedback, and customers consider the price worth it. However, the notification functionality is problematic, with customers reporting that push notifications stop working. Moreover, connectivity issues are significant, with devices failing to connect to wireless networks. Additionally, the noise level receives mixed feedback, with some finding the audible alarm too quiet.

AI-generated from the text of customer reviews

45 customers mention "Functionality"37 positive8 negative

Customers find that the water leak sensor and alarm works well, particularly with Google integration, and the plug-in units operate effectively.

"...Great product, strongly recommended...." Read more

"I use this to alert me if my sump pump fails. It works well and provides me great peace of mind...." Read more

"...things considered this product is very reasonably priced and the sensors work well...." Read more

"...The water sensor itself is great, it's well constructed, it works immediately, and I was happy for a few days...." Read more

26 customers mention "Ease of setup"26 positive0 negative

Customers find the water leak sensor easy to set up and connect to Wi-Fi, with one customer noting that the mobile app guides them through the process.

"...Tried again a couple days later (thankfully) and sure enough set up was successful..." Read more

"...The setup and pairing are very easy...." Read more

"...This Water Leak Sensor and Alarm was easy to set up and it works well...." Read more

"I love this!! Set up is super easy, and the ability to add on is fantastic...." Read more

23 customers mention "Water sensor"17 positive6 negative

Customers like the water sensor, with one mentioning its rope-type design and another noting its immediate detection by the app.

"...Hands down best insurance we ever bought! Sure enough, the washer leaked like crazy and this device alerted us via mobile app IMMEDIATELY..." Read more

"...enough to fit under your dishwasher and refrigerator, and the cable sensor is perfect for going under the washing machine." Read more

"...What a crock! So I have a bunch of dead, useless water sensors that aren't even big enough to use as doorstops. Don't buy this...." Read more

"How dissapointing. The water sensor itself is great, it's well constructed, it works immediately, and I was happy for a few days...." Read more

6 customers mention "Value for money"6 positive0 negative

Customers find the water leak sensor to be worth its price.

"...All things considered this product is very reasonably priced and the sensors work well...." Read more

"...The price is worth it 100%!! Buy this!! You can thank me later!!! :)" Read more

"...We are really happy with this system; great value and most importantly IT WORKS!" Read more

"...sensor hub and sensors, due to a better app experience, less expensive additional sensors, and less connectivity problems between sensors and the hub." Read more

18 customers mention "Noise level"9 positive9 negative

Customers have mixed opinions about the noise level of the water leak sensor: while some appreciate the audible alarm, others find it not loud enough to be noticed.

"...The alarm was loud enough to get my attention and my phone immediately notified me which water sensor so I could go directly to the problem spot...." Read more

"...That is, the alarm chirps in an almost strobe-like manner and my phone "blows up" with multiple notifications per second...." Read more

"...work fine and sends a push notification to my iPhone 11 pro and alarms with siren...." Read more

"...The alarm would sound and even though notifications were on they did not send in the setup test and the help option was not helpful...." Read more

11 customers mention "Wireless sensor"4 positive7 negative

Customers have mixed experiences with the wireless sensor, with some reporting connectivity issues where the sensor goes offline, while one customer notes it can support multiple remote sensors.

"...The wireless sensor also had to be reset. I hope that doesn't happen every time because my sensors are hard to get to...." Read more

"...I fixed the problem and reset the water sensors. This kit comes with two sensors...." Read more

"...drops below the working voltage and after about a week the sensor pod goes offline. Put lithiums in asap ." Read more

"...Includes a small, battery-powered satellite sensor that can be placed a distance away from the main unit...." Read more

27 customers mention "Notification functionality"7 positive20 negative

Customers report issues with the water leak sensor's notification functionality, with multiple customers noting that push notifications stop working and are irregular.

"...must have a smart phone for set up and that the notifications are limited to push notifications through the mydlink app...." Read more

"...The mydlink android phone app lacks functionality for this product. It seems geared towards their other camera and home automation products...." Read more

"...enough, the washer leaked like crazy and this device alerted us via mobile app IMMEDIATELY (saving us from a worse nightmare)...." Read more

"...It had problems before when I added devices, and notifications did not always happen....)" Read more

16 customers mention "Connectivity"4 positive12 negative

Customers report multiple connectivity issues with the water leak sensor, including the device failing to connect to wireless networks and refusing to reconnect after disconnection.

"...outage, because they power up faster than my router, they will NEVER try to connect again. If I reset my router, they will NEVER try to reconnect...." Read more

"The device itself seems to work ok. It did lose connection with my Wi-Fi and I had problems reconnecting it, so I contacted what I thought was the..." Read more

"Love that these don't need wifi to communicate and that I can set up D2D to bypass all need for the hub for certain critical functions...." Read more

"...both devices, set it close to the router, etc and it simply will not stay connected, it reads “offline” shortly after connecting it...." Read more

These really work (after 2 years review)
5 out of 5 stars
These really work (after 2 years review)
In 2022, I purchased several of these to keep in my basement in some spots that have had water issues in the past (usually due to a sprinkler head breaking and leaking water into basement). For 2 years, most of the sensors sat without incident and without any detection. I did not charge them or touch them. And today, I had a water leakage and they worked PERFECTLY. The photo is hard to see well, but you can see that there is a small pool of water that has leaked through the foundation in the basement floor. The alarm was loud enough to get my attention and my phone immediately notified me which water sensor so I could go directly to the problem spot. They do exactly what they are supposed to do and I am very glad to have them. I was able to quickly clean up the water and can fix the situation without standing water causing damage or mold. 10/10 recommend.
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Top reviews from the United States

  • Reviewed in the United States on September 25, 2024
    Just ordered a new washer/dryer tower, which sits on recently refinished hardwood floors (over a finished basement). Saw positive reviews for this online (e.g. NYT Wirecutter) and went ahead and ordered. Hands down best insurance we ever bought! Sure enough, the washer leaked like crazy and this device alerted us via mobile app IMMEDIATELY (saving us from a worse nightmare). Great product, strongly recommended.
    Only issue we've experienced is when we first went to install/set up the app - we never received the registration email link. Tried again a couple days later (thankfully) and sure enough set up was successful (hard to say what caused the email delay, could be a number of factors unrelated to D-Link).
    2 people found this helpful
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  • Reviewed in the United States on February 21, 2025
    I use this to alert me if my sump pump fails. It works well and provides me great peace of mind. I have it plugged into a battery backup as is my WiFi so I get notified even during a power failure.
  • Reviewed in the United States on April 6, 2023
    I read the reviews of people having trouble pushing the set buttons on the back of the sensors when pairing. The easiest solution is to push the button firmly with the rounded end of a ball point pen cap for about 2-3 seconds and you will get the light! The setup and pairing are very easy. Be advised that you must have a smart phone for set up and that the notifications are limited to push notifications through the mydlink app. No text, email, or phone notifications are available. All things considered this product is very reasonably priced and the sensors work well. The sensors are small enough to fit under your dishwasher and refrigerator, and the cable sensor is perfect for going under the washing machine.
    5 people found this helpful
    Report
  • Reviewed in the United States on April 27, 2023
    How dissapointing. The water sensor itself is great, it's well constructed, it works immediately, and I was happy for a few days.

    But you can't do anything with it. It has a very limited Google Home integration where your homes will tell you if they detect water, but you cannot customize or do anything with the device. There is no public API, there is no integration with Home Assistant, there is not even a port open on the device to talk to. This may sound technical to some, but for the average joe essentially it means you can only use this with their (kinda crappy) app, and the siren the sounds.

    You will not be able to do any custom alerts or alarms. Only the dlink app.

    I'll probably be returning this (decently crafted) device due to DLink's short shortsightedness.
    8 people found this helpful
    Report
  • Reviewed in the United States on February 5, 2022
    As part of my job, I've worked with various D-Link network products and have been pleased with them. This Water Leak Sensor and Alarm was easy to set up and it works well. I really like the ability to extend the sensor cable using a standard phone cable. However ...

    We lost power to the house a few days after I first set it up, but when the power came back on the devices did not reconnect to the wireless network. I had to unplug the main sensor and plug it back in to get it on the network. The wireless sensor also had to be reset. I hope that doesn't happen every time because my sensors are hard to get to.

    The mydlink android phone app lacks functionality for this product. It seems geared towards their other camera and home automation products. If water is detected, the app notifications are minimal. It pops up right away, but fades away in the sea of other calendar, text, e-mail, ... notifications. If you're not paying close attention, you may miss the SINGLE notification. I ignore my phone for hours at a time. It needs to be an alarm. If my encapsulated crawl space is being flooded, I want this app to pester me until I acknowledge it.

    The notifications from the app are the only option. I'd like to include multiple e-mail and/or text addresses to ensure the entire household is aware of the problem. Looking for more options, I logged in with the same account at mydlink.com. It wouldn't work with Firefox, Edge or Chrome. mydlink.com only supports Internet Explorer 11 or the unsupported Firefox 52 ESR (from 2017-18). That's inexcusable. On top of that, it doesn't list my devices in my account, and it only shows product information on their camera products. Absolutely useless.

    Also, the app ignores the phone's screen timeout setting. If you set your phone down with the mydlink app visible, the screen will not turn off (and lock the phone) and it will drain your battery.

    Update: After another power outage, and manually resetting my Internet router, these devices will never come back on-line without recycling the power to them. If they fail to connect to my wireless network one time after a power outage, because they power up faster than my router, they will NEVER try to connect again. If I reset my router, they will NEVER try to reconnect. I surprised that a company that makes decent computer networking gear, with "Link" in their name, can't get this device to reconnect to the network without turning it off and back on.
    111 people found this helpful
    Report
  • Reviewed in the United States on July 25, 2023
    I love this!! Set up is super easy, and the ability to add on is fantastic.
    I put one in my water heater catch, one under my AC unit, and under each sink. These are all places I have had leaks before.
    The response is immediate. It sends a notification straight to my phone.
    The area I live is super humid, so my AC drain leaks frequently, no matter what I pour in it. But this way, instead of leaks in my garage that take hours to clean up ( I don’t go in my garage frequently), I am immediately notified to be able to take action and prevent water from going all over the place.

    The price is worth it 100%!!

    Buy this!! You can thank me later!!! :)
    One person found this helpful
    Report
  • Reviewed in the United States on September 16, 2024
    In 2022, I purchased several of these to keep in my basement in some spots that have had water issues in the past (usually due to a sprinkler head breaking and leaking water into basement). For 2 years, most of the sensors sat without incident and without any detection. I did not charge them or touch them. And today, I had a water leakage and they worked PERFECTLY. The photo is hard to see well, but you can see that there is a small pool of water that has leaked through the foundation in the basement floor. The alarm was loud enough to get my attention and my phone immediately notified me which water sensor so I could go directly to the problem spot. They do exactly what they are supposed to do and I am very glad to have them. I was able to quickly clean up the water and can fix the situation without standing water causing damage or mold. 10/10 recommend.
    Customer image
    5.0 out of 5 stars
    These really work (after 2 years review)

    Reviewed in the United States on September 16, 2024
    In 2022, I purchased several of these to keep in my basement in some spots that have had water issues in the past (usually due to a sprinkler head breaking and leaking water into basement). For 2 years, most of the sensors sat without incident and without any detection. I did not charge them or touch them. And today, I had a water leakage and they worked PERFECTLY. The photo is hard to see well, but you can see that there is a small pool of water that has leaked through the foundation in the basement floor. The alarm was loud enough to get my attention and my phone immediately notified me which water sensor so I could go directly to the problem spot. They do exactly what they are supposed to do and I am very glad to have them. I was able to quickly clean up the water and can fix the situation without standing water causing damage or mold. 10/10 recommend.
    Images in this review
    Customer image
    6 people found this helpful
    Report

Top reviews from other countries

  • Ehsan Nasr
    1.0 out of 5 stars Water leak device
    Reviewed in Saudi Arabia on January 19, 2025
    The electric power input for the device is 110 volt which is not suitable for Saudi Arabia