For mounting air vent opener it's enough to find assistance on the profile of greenhouse in distance of 450-500 mm (17-19 in) to the line hinges of the door or home window, or established on the home window or the door itself on mobile and also stationary component. When the temperature level is low, the liquid presses, the return springtime returns the plunger and also piston to its initial placement therefore closing the home window or door in a greenhouse.Some customers have problem mounting and also for that reason assume that Vent-L is not functioning. Just in this placement, set up on a shut home window or door.
«Vent-L» does not require electric power and operates exclusively on the temperature fluctuations of the greenhouse. 4 screws for setting only.
It does not require dismantling during winter.All the major fasteners are galvanized coating that protects them from corrosion in an environment of high humidity of greenhouse.
It can be fixed both for the opening doors and vents of greenhouses.Control of the starting of opening.
The automatic ventilator is located in the upper level of the greenhouse, it heats up faster, the plants at the lower levels are in conditions with lower temperatures. An opening temperature between 24-32 ° C (75-90 ° F) is better suited for most plant species. This is its uniqueness compared to other similar devices.
Stem diameter of 6 mm and a metal piston is able to open the window up to 30 kg (66lb) and can withstand enormous wind loads.Easy disconnect from the vents for opening and closing manually.