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Electrically operated valves designed for controlled central ventilation of family houses and apartments of mass construction.
- the valve consists of a plastic grid, in which there is an electrically operated closing shutter
- when the voltage is connected, it opens after about 45 seconds and after disconnecting the voltage, it closes again after a few minutes
- when switched on, only the desired room is ventilated
- voltage 230 V/50 Hz, power 4 W
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