Detectors weather (rain or wind-rain) are practical complementary elements for smoke ventilation system and ventilation.
Open the hatch for ventilation, skylights or windows are closed automatically in case of rain or strong wind.
Automatic weather control systems smoke and natural ventilation. VRS 10 - rain detector Ventline, 24V REM 10 - rain detector for all central D + H 24V REM 230 - rain detector, 230V version WRG 82 - wind-rain detector, 24V