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Frequently asked questions
GROHE Sense & GROHE Sense+

Flooding alarm

Temperature and humidity sensing

How often does GROHE Sense measure the room temperature and the humidity?

Temperature and humidity are constantly measured, the device senses every 60 minutes. Every day the humidity and temperature information is stored in the GROHE ONDUS cloud.

If you want to have more control, go for GROHE Sense+. With GROHE Sense+ you additionally have the possibility to get the current temperature & humidity levels with clicking the "Trigger Update" Button in the app.

What is the difference between GROHE Sense and GROHE Sense+?

Both products measure temperature and humidity are constantly. GROHE Sense sends the humidity and temperature information once a day to the cloud. With GROHE Sense+ you additionally have the possibility to get the current temperature & humidity levels with clicking the "Trigger Update" Button in the app.

Does GROHE Sense measure absolute or relative air humidity?

GROHE Sense measures relative air humidity. Relative humidity is dependant on the temperature. A 100% humidity level would mean the air is completely saturated with water at that temperature.

Installation

Where to install GROHE Sense?

Install GROHE Sense inside your home in any location where there is flood risk or where you want to have humidity control.

  • Install a GROHE Sense in your cellar, as the chances of having a water damage, are high
  • Install below sinks or wash basins, as often people see leaks here way too late
  • Nearby your washing machine, to be sure nothing happens
  • On attics where you have windows that you often leave open for ventilation, to detect fast enough that rain does not flood inside.

How to install GROHE Sense?

First download the app from the Apple Appstore or the Google Play store, register yourself and setup your house and rooms if you did not do already. Add GROHE Sense to the room of your choice by clicking the + symbol or by adding it via the catalogue. Give a name and define the room, place the 3 AAA batteries (included in the box) and connect the WLAN by selecting the GROHE Sense SSID and typing in the password you find on the backside of the product. If you already installed the product and it is hard to see the password, please use your mobile device to take a picture with a flashlight.

Then place GROHE Sense on a flat surface (non-metallic/non-conductive) with the pins touching the surface.

What can I do if my GROHE Sense is too big to place on the location I would like to monitor?

Try the extension set 22506LN0 that has an extension cable length of 1,2 m. Mount the base plate of the extension set with the two screws on the wall. Place the remote sensor on a flat surface (non-metallic/not-conductive) with the two pins touching the surface.

You can also install GROHE Sense+ if you want both the extension and a mains powered product.

What if your WLAN connection is not stable enough or you cannot detect your WLAN connection needed to connect GROHE Sense?

Several solutions might be possible:

  • You can always install an additional repeater that strengthens the WLAN signal closer to the product.
  • If you have a UTP connection available, install an access point or repeater (you can typically choose between these two operating modes) directly on the UTP connection.
  • The last option could be to use power cable products. Here you install one power cable connector near the router and one near the product. Choose for a power cable product that has WLAN functionality, or you need an additional repeater/access point.

Hardware

How big is GROHE Sense?

GROHE Sense is a water sensor of ø 84 mm and a height of 35 mm.

The extension set consists of a wall plate of ø 84 mm, is 38mm high including the sensor and a remote sensor of 10 mm height and 50 mm diameter. It has an extension cable of 1,2 m.

GROHE Sense+ has the same dimensions as the GROHE Sense and uses the same extension set and has an additional power cable of 0,6 m.

Is GROHE Sense waterproof?

GROHE Sense is protected against spraying and splashing water (IPX3). In the case of a flooding, please dry it immediately. If you have to clean the device, please use a lint-free rag. DO not use any detergents.

What to do if the batteries are running out?

Either you replace the 3 AAA batteries, or in the case you need permanent information, please purchase GROHE Sense+ which is connected to the mains electricity supply and therefore needs no batteries.

Frequently asked questions
GROHE Sense Guard

Pipe break and leakage detection

What happens when GROHE Sense Guard does not have electricity

To safeguard you still having fresh drinking water, the valve remains open during a power outage. You will also see in the app that the system is not connected. Of course, the system restarts when power is back.

What happens when GROHE Sense Guard does not have WIFI connectivity anymore?

GROHE Sense Guard continues to work. In the case of a pipe break, it will still detect and shut off the water. Data will be updated once the connectivity has been restored as there is a buffer memory of up to 30 days, depending on your consumption behavior. The connectivity LED will light red in that case.

Hardware

What connections are supported?

GROHE Sense Guard comes with a 1” male connection and ¾” male adapters. The diameters were chosen based on the most common connections in the European market. In case you need a smaller connection, it is always possible to find at your sanitary accessories distributor a suitable connection. In case you have pipes with a bigger diameter, it is recommended first to talk with the installer if it is ok to install GROHE Sense Guard in your house so that it does not impact the water flow you need in your situation. GROHE Sense Guard is a product made for one family household with an estimated max. consumption of 85 l/min.

How long is the power cable?

70 centimetres. You can always buy an extension cable in (online) electronic accessories stores. Look for white low power 12 VDC cables with a male and female connection F 5.5 x 2.1 mm / M 2.1 mm.

What is included in the packaging?

In the box, you will find 1x the water controller with two brass connections 3/4”, a power plug with cable and the technical product information needed for installation.

We recommend installing GROHE Sense Guard on a wall mount set 22501000. The wall mount set guarantees an easy installation. We also recommend installing before and after GROHE Sense Guard a stop valve, so you foresee easier and faster maintenance in case this is needed.

Installation

How is GROHE Sense Guard Installed?

GROHE recommends a certified installer to install the product as you are close to the water meter and a wrong installation might impact the water supply for the complete house. At all times, please review the technical product information (TPI) supplied with the product or the extended version online. You can also watch our installation movie we created on our website or YouTube.

We also recommend installing GROHE Sense Guard with our wall mount set 22501000 to ensure a stable installation.

How can you connect GROHE Sense Guard with the GROHE ONDUS App?

First, download the app from the Apple Appstore or the Google Play Store. Register yourself and set up your house and rooms if you did not do already. Add GROHE Sense Guard to the room of your choice by clicking the + symbol or by adding it via the catalogue. Give a name and define the room name, plug GROHE Sense Guard and connect the WLAN by selecting the GROHE Sense Guard SSID and typing in the password you find on the backside of the product. If you already installed the product and it is hard to see the password, please use your mobile device to take a picture with flashlight.

What if your WLAN connection is not stable enough or you cannot detect your WLAN connection needed to connect GROHE Sense Guard?

Several solutions might be possible

  • You can always install an additional repeater that strengthens the WLAN signal closer to the product.
  • If you have a UTP connection available, install an access point or repeater (you can typically choose between these two operating modes) directly on the UTP connection.
  • The last option could be to use power cable products. Here you install one power cable connector near the router and one near the product. Choose for a power cable product that has WLAN functionality, or you need an additional repeater/access point.

Security

What  if a hacker shuts off my water supply?

GROHE does its utmost to guarantee a safe and secure use or our products. For this, we use the latest security measures to prevent unintended use of our devices or to prevent a data breach and protect privacy. GROHE also will make available firmware updates when necessary and will distribute those via the app. In case hackers would break into the system, you are guaranteed to have water at any time by pulling the power plug. You can then also perform an update later when a firmware update becomes available.

Frequently asked questions
GROHE ONDUS App

Compatibility

Notifications & Errors

Security & Privacy

What kind of data is stored?

GROHE ONDUS only stores data that is needed the ensure the full functionality of your devices. For further information, please check the privacy statement in the app.