Three-way, zone, diverting piston valve Icma. For electrothermic actuators with 30×1,5 connection thread art. 978, 979, 980 and thermostatic heads with remote sensor 992, 995 and 997. The valve enables limiting the flow rate on the straight way. Max. working pressure 10 bars. Max. differential pressure 1 bar. Max. working temperature 95°C.