GROHE Sense and GROHE Sense Guard are GROHE’s latest intelligent solutions for the smart home. The GROHE Sense smart water sensor monitors room temperature and humidity, detects frost risk and gives warning if the levels become too high or too low. GROHE Sense Guard is installed in the main water pipe and can stop water flow automatically in case of, for example, a major leak. Both use ground-breaking smart technology, allowing them to be monitored and controlled using the GROHE ONDUS App. GROHE Sense and GROHE Sense Guard combined, constitute a revolutionary water security system for your home. Innovative products for a smarter future: GROHE Sense is a smart water sensor. Easily placed on the oor, it detects water in the home.