GSE Digital temperature, vacuum and min. fan speeds
GSE Digital temperature, vacuum and min. fan speeds controller. ZEWLING speed controller 2 - 2 sockets.
The controller serves to maintain a stable climate in growing rooms or intensive ventilation plants. Used in combination with the exhaust and intake fan, the stable difference between the supply air and the exhaust air provides a constant vacuum to prevent the leakage of undesirable odors.
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