TThermoelectric actuator STT are designed for automatic opening and closing heating circuits. To fit on manifold or radiator valves. It can be operated by a series of controllers dedicated to underfloor heating or by room regulators only.
Thermoelectric actuator STT is equipped with a valve stem position indicator .
They are equipped with an electric cable and a nut with a thread for mounting directly on the manifold or radiator valve. The actuators are currentless closed (NC).
Fittings: nut with M28 x 1,5 screw thread
Opening time: ~5 min.
Max. operation temperature: 60°C
Stroke: 4,5 mm
Work power - 2W
Power supply: 230V 50Hz