SATK 32 Indirect HIU, 50kW DHW, 15kW Heating 25-75 · Indirect heat interface unit · Stainless steel pipe-work and exchanger · 16 Bar rated (Primary), 10 Bar (secondary) · 85 degrees C maximum working temperature · DHW output – up to 50kW, 40-60 degrees C · Heating output – up to 15kW · Programmable heating temperature outputs