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 atmosphere inside the greenhouse warms, the vent steadily opens to allow the right amount of air flow into the greenhouse and closes when the temperature cools. The vent arm was designed with a metal cylinder that contains wax which expands when heated to drive a piston, which raises the windows, as the atmosphere 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 operates without the use of electricity and is compatible with all Palram greenhouse versions only. The solar run Vent Opener will start to open as temperature ranges inside your greenhouse reach 68 degrees F with full-open at 80 degrees. It installs efficiently 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 constant interior climate, something impossible to attain by manual adjustments.
Requires simply no batteries or electricity.
It could be adjusted to begin opening between 60-77°F. Fully open at 86-90°F. Fully closed at 55°F.
Strongly recommended for most our glazed season extenders because it dramatically improves plant growth.
The hydraulic cylinder includes a 1 year warranty. The common lifetime of the cylinder can be 5-10 years, even though some can last up to 20 years.
Screw directly into polycarbonate panels, wood, or metal frames. THE TYPICAL Vent Opener can open a hinged windowpane or vent weighing as much as 32 lb. For bigger panes use the stronger Gigavent with all metallic construction, to lift up to 65 lbs.
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