Thermostatic mixers have been developed to distribute hot water safely and comfortably. Suitable for use in a mixing plant, for example, in gyms, hotels, hospitals, it can serve multiple distribution points. The water temperature is set at 38°C through a safety lock on the steering wheel, and for temperatures above that mark it is necessary to activate the safety lock, but the temperature is not higher than 49°C. This temperature control is only possible due to the highly thermally sensitive cartridge that keeps the water exactly at the desired temperature and is easily controlled.