Your cart is empty.
Your cart is empty.Product Description
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No Unexpected Leaks
Fit Shelly Flood where leakage might occur, like under pipes, fridges, or washing machines. It notifies you at the slightest leak, allowing quick reactions.
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Stop Water When Not At Home
Use Shelly Plus 1 to control water supply and Shelly Flood to monitor leaks. Together, they prevent water damage by shutting off water if a leak is detected.
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Equipment Damage Prevention
Place Shelly Flood near appliances. If a leak is detected, it triggers Shelly Plus 1PM to cut off power, preventing damage.
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Efficient Floor Heating
Monitor and control floor temperature in facilities like yoga studios, gyms, or living rooms. Shelly Flood triggers Shelly Plus 1PM to adjust heating as needed.
Jay Goldberg
2025-09-04 16:08:33
I disagree that these are difficult to set up or are unreliable.When you place the battery, they immediately start an WiFi AP and you can connect to it and configure it in the browser on your phone without any app.Once joined to WiFi it powers off into low-power mode and seems to wake up once per hour to read temp, connect to wifi, etc. Home Assistant picks them up right away, and you can set app alerts using `Automations` with `Trigger -> State` then `Action -> Mobile App Notification.`This is how an ESP8266-based low-power device should work. It wakes up immediately if the contacts are shorted (flood), and the status is alerted in Home Assistant within seconds AND has a nice loud alarm, but otherwise it's in standby mode.The only real downsides are the size, and the non-standard battery. Looking at the internals, I can't see why they made them so big. Also, since they are rarely "on", doing any kind of admin on the web UI requires you to reinsert the battery to force it on, otherwise it's unreachable on the wifi network unless you happen to go to the IP address right during the wakeup schedule for the 30 seconds it's awake every hour.I think the convenience of having it be WiFi vs Zwave or Zigbee may be worth the tradeoffs so you don't have to worry about failure of your Zigbee or Zwave gateway while your house is flooding. Wifi pretty much always works.
Fan
2025-08-30 10:20:32
I did have some difficulty setting these up on Wi-Fi at first, but after they were joined to the router I haven't had any issues. The first sensor connected to Wi-Fi using the Shelly app with no problems. For the second device, I had to manually connect my phone to the SSID of the flood device, then go to a special IP address (built in management UI) and key in the Wi-Fi details. Then it connected just fine. These use CR123A batteries which can be a bit on the expensive side, but they seem to last quite a while. My first flood sensor had a battery that only lasted a few weeks, but after switching brands (right around the time I added a second sensor) they've been at 100% battery level for several months now. The devices "wake up" and send a heartbeat signal roughly every 10 minutes so they are not online all the time, but the flood sensor portion is always active. The free Shelly smartphone app is great. It offers temperature readings and immediate push notifications when water is detected. There are three metal pins on the bottom of the devices. When water flows across one or more pins, it triggers an audible alert and a push notification to the phone app. The alarm built into the device is loud enough to hear in another room, inside a utility closet, or on the other side of a wall. Hearing the alarm has saved my utility closet from flooding several times, allowing me to get an immediate notification via the phone app, or just me hearing it go off when a particularly troublesome floor drain overflows from time to time. Once the water is gone and there is no longer standing water it will eventually shut off the alarm on it's own. It also has automations available such as setting up email notifications via URL triggers, and an event log. Long term, 30+ day of report data requires a subscription, but flood alerts and the last 30 days of temperature readings do not require a subscription to the Shelly services.
J
2025-07-28 16:17:16
I bought a 2-pack - BTW this is a huge mistake on Amazon, if one does not work you need to send them both back. You can't just send the broken one back, never buy more than a single item.One of mine ended up being broken, and I only figured that our right past the return window (of course)Anyway, these are terrible and do not work. The setup in the dated app is a chore. These need to be 'discovered' then 'paired', then 'configured'. It's a nightmare. None of that process works smoothly for the first 5 times you try it.So, here is a typical setup scenario that goes wrong:1. Download archaic Shelly Flood app.2. Open sensor and press button to make it go into Wi-Fi paring mode3. Use the terrible app to try and find the sensor. (it won't work very often, trust me)4. When the planets align, and it's the leap-year, the app will find the sensor after many battery pulls, button presses and re-launching the app 600 times.5. Go through the cumbersome linking process - the app will confirm (sometimes) the setup was 'successful' (huge air quotes there)6. When all said and done, the sensor will immediately appear OFFLINE in the app.Congratulations. You failed. Rinse, repeat, and you might get lucky again, and it shows online, but you will check back a day later to discover it's been sitting offline for hours.MY advice if you're trying to use these with Home Assistant is just get a sensor that directly connect to Zigbee. Do not bother with this product or similar WiFi connected products.
cztvmf
2025-07-11 18:20:19
Works great. Easy to set up
MJ
2025-07-10 09:18:22
I ordered the 2 pack. In the description it doesn't say that batteries are required like it does with the 1 pack. I of the 2 that I ordered did not sinc to the app. Sending 1 back for another.
Mark Twain
2025-06-20 16:40:33
Once I set up the thing using Shelly app and provided my wifi info, HA picked it up automatically. It supplies not just flood alerts to HA, but also works as a temperature sensor.
Angelo G.
2025-05-05 10:37:39
Ok
xavi
2025-05-04 14:37:08
Tuve dudas a la hora de conectar el equipo a la red wifi. Desde el servicio de helpdesk online me atendieron al momento. Buen servicio!En otros sensores tenÃa dudas que eastuvieran funcionando bien. TenÃa que activar la alarma de humedad para verificar baterÃa o conectividad. Con este sensor tienes el dato de temperatura cada 3-4 horas...con lo que tienes la comunicación asegurada!
R. Jurack
2025-04-06 13:27:23
Gutes Teil.Hatte gleich einen Test gemacht und super funktioniert.In Homeassistant integriert und fertig. Hoffentlich muss er nie ein Wasserleck melden.Man sollte aber den Hinweis beachten, dass keine Batterie mit dabei ist ;)
J.R.
2025-03-17 12:25:39
1. Batterie fehlt. Muss extra gekauft werden (3,5€).2. App hat nicht funktioniert (keine Benachrichtigung).3. Alarm hat auch nicht funktioniert, erst nach dem etliche Male resetet worden.Somit unbrauchbar!!!
Oliver
2025-02-10 18:18:29
Es wird eine teure Spezialbatterie benötigt, die natürlich nicht dabei ist. Also wieder bestellen, warten und dann nochmal zur Baustelle fahren. Sowas braucht kein Mensch!
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