The Hansgrohe Ecostat Shower Thermostat is designed to use in bathrooms. Non-return valve makes it easy for installation. EcoStop button keeps the water consumption to a minimum of 10 L/Min. Thermostat cartridge keeps the ceramic valve at a maximum of 180 deg C. Thermostat locks out operation at 40 deg C. Brass construction provides added strength and the chrome-plated finish prevents corrosion.