MasterProf Cold Frame / Greenhouse Window Actuator
Cold frame and greenhouse ventilation plays a crucial role in gardening. When adequately regulating the grow room temperature it is possible to achieve better results, whereas the opposite approach may kill the plants.
However you can't be always present at the garden territory to control the airing, thus the automatic window actuator by MasterProf is a perfect solution to this problem.
Its working principle is simple: the actuator can automatically open and close fanlight windows and doors in a greenhouse at certain air temperature.
When the interior temperature rises to +26 °C, the shock absorber rod moves out so the window/door opens. When the interior temperature falls down to +22 °C, the rod returns to its original position and the window/door closes by spring force. An actuated door can open at any temperature, even in freezing conditions.
This device does not require electricity since it is mechanically driven.
Summer House Items
Its structural design makes possible easy...
May be used for hose...
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