The Automatic Vent Opener was made to automatically control the temperature and humidity levels and offer additional ventilation when needed, making gardening easier. As the surroundings within the greenhouse warms, the vent steadily opens to enable the right amount of air flow in to the greenhouse and closes when the temperature cools. The vent arm was made with a steel cylinder containing wax which expands when heated to push a piston, which raises the windowpane, as the surroundings gets warmer, then contracts since it cools, closing with the utilization of a springtime and resetting the piston. All you have to to do is to install it on your roof vent windowpane and it instantly starts functioning. The Automatic Vent Opener functions without the use of electricity and works with with all Palram greenhouse versions only. The solar run Vent Opener will begin to open as temps inside your greenhouse reach 68 degrees F with full-open at 80 degrees. It installs quickly and easily and will provide care-free ventilation.
Ingenious temperature-sensitive device that automatically opens and closes coldframe lids, greenhouse windows and even skylights. Works throughout the day and maintain a continuous interior climate, something unattainable to attain by manual adjustments.
Requires simply no batteries or electricity.
It can be adjusted to begin opening between 60-77°F. Fully open at 86-90°F. Fully closed at 55°F.
Strongly recommended for all our glazed season extenders since it dramatically enhances plant growth.
The hydraulic cylinder has a 1 year warranty. The common lifetime of the cylinder is definitely 5-10 years, even though some can last up to twenty years.
Screw straight into polycarbonate panels, wooden, or metal frames. The Standard Vent Opener can open up a hinged windows or vent weighing just as much as 32 lb. For larger panes use the stronger Gigavent with all metal construction, to lift up to 65 lbs.
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