Caleffi’s LEGIOMIX is an advanced, electronically controlled point-of-distribution electronic mixing valve for commercial domestic hot water systems. It provides precise temperature control over very low and very high flow rate demand; minimal pressure drop with a ball valve control element; automatic self-cleaning to prevent scale formation; and an easy-to-use digital interface with data logging, alarming, and status indication. It is furnished with a controller with LCD user interface that provides a set of programs for circuit thermal disinfection to kill legionella and is configurable via keypad or local or remote computer.