Heat Interface Unit HIU 2 HKM for mixed heating circuits

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).
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.
Technical Features
  • Tap temperature freely adjustable between 20 and 70 °C
  • Tap capacity 12, 17 or 22 l/min.
Part no.
 Type Part no.

10079851 Tap capacity 12 l/min, copper brazed
HIU2 HKM 12 10079892 Tap capacity 12 l/min, stainless steel brazed
HIU2 HKM 17 10078463 Tap capacity 17 l/min, copper brazed
HIU2 HKM 17 10079894
Tap capacity 17 l/min, stainless steel brazed

HIU2 HKM 22 10085287 Tap capacity 22 l/min, copper brazed
HIU2 HKM 22 10085288
Tap capacity 22 l/min, stainless steel brazed