Motorised valve drive for a 12-channel Homematic IP floor heating actuator This motorised valve drive is installed on the thread of the valve flap of the floor heating system and connected to the output of the floor heating actuator by the cable’s connector. The valve drive allows the flow rate to be precisely controlled at the valve flap so that the utilisation of the boiler is efficiently tailored to your requirements and the temperature of the floor heating system can be precisely controlled. - Included: Homematic IP motorised valve drive, with a cable and a connector, VA 80 valve adapter (thread dimensions M30 x 1.5 mm), user manual - Supply voltage: 3.3 VDC, SELV - Maximum current consumption: 120 mA - Ambient temperature: 0 to + 50 °C - Threaded connector: M30 x 1.5 mm - Linear stroke: 4.3 mm ± 0.3 mm - Weight: 80 g