F5L-Therm thermostatic single-lever mixer DN 15 as finished installation kit for in-wall installation in basic installation kit, for shower facilities. For connection to hot and cold water. Function block with integrated thermostatic cartridge and pre-assembled hygiene unit including sensor and 6 V lithium battery (CR P2) for automatic hygiene flushing and program-controlled thermal disinfection (additional bypass solenoid valve cartridge necessary) and storage of statistical data. Thermostatically-controlled mixer cartridge with expansion element, safety switch-off in case of cold-water failure, adjustable and turn-proof temperature stop, and ceramic disc technology. All-metal construction, visible parts high-polished, chrome-plated. Holding frame including profile seal, stainless-steel cover plate 190 x 245 mm with covered screw fixing, chrome-plated plastic rosette, backflow preventer and strainers. Depth adjustability 25 mm. Activated water hygiene flushing, fixed interval of 24 hours. With option for parameterization and communication via optional, bidirectional remote control.