For transferring heat from local or district heating networks to heating and domestic hot water (DHW) systems in single-family homes, apartment buildings, terraced housing or apartment blocks. Direct connection to mixed heating circuits such as a radiant panel heating system. Indirect, hygienic domestic hot water generation by means of a plate heat exchanger (stainless steel or copper brazed). Tap temperature freely adjustable between 20 and 70 °C, tap capacity 12 or 17 l/min. Includes a priority switch for domestic hot water generation. Integrated adapters for heat and cold water meters. Ready-to-fit, space-saving design with clear arrangement of all valves. Uniform, modular design of connections and accessories. Includes a domestic hot water and mixing unit with electronic fix-point control of the flow temperature.