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The Electromotor Valve Drive ST/K 1.1 is a proportional valve drive for controlling heating valves. The valve drive is mounted on thermostat valve bases. It is actuated by a continuous KNX room thermostat. Moreover, the Electromotor Valve Drive ST/K 1.1 has two binary inputs that can be used to connect a presence contact and/or window contact, for example.
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ST/K 1.1
