The Automatic Vent Opener was designed to automatically control the temperature and humidity levels and provide additional ventilation when needed, making gardening easier. As the atmosphere within the greenhouse warms, the vent steadily opens to allow the right amount of ventilation in to the greenhouse and closes when the temperature cools. The vent arm was made with a metal cylinder containing wax which expands when heated to force a piston, which raises the home window, as the surroundings gets warmer, then contracts as it cools, closing with the use of a springtime and resetting the piston. All you need to do can be to install it on your own roof vent window and it immediately starts operating. The Automatic Vent Opener works without the utilization of electricity and works with with all Palram greenhouse versions only. The solar powered Vent Opener will start 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-delicate device that automatically opens and closes coldframe lids, greenhouse windows and actually skylights. Works during the day and maintain a continuous interior climate, something unattainable to achieve by manual adjustments.
Requires simply no batteries or electricity.
It could be adjusted to start opening between 60-77°F. Fully open at 86-90°F. Fully closed at 55°F.
Strongly recommended for every our glazed season extenders since it dramatically boosts plant growth.
The hydraulic cylinder includes a 1 year warranty. The average lifetime of the cylinder can be 5-10 years, although some can last up to twenty years.
Screw directly into polycarbonate panels, wood, or metal frames. THE TYPICAL Vent Opener can open up a hinged window or vent weighing as much as 32 lb. For bigger panes use the stronger Gigavent with all steel construction, to lift up to 65 lbs.
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