The Automatic Vent Opener was designed to automatically control the temperature and humidity levels and offer additional ventilation when needed, making gardening easier. As the air flow inside the greenhouse warms, the vent steadily opens to allow the correct amount of air flow into the greenhouse and closes when the temperature cools. The vent arm was made with a metallic cylinder containing wax which expands when heated to drive a piston, which raises the home window, as the surroundings gets warmer, then agreements since it cools, closing with the use of a springtime and resetting the piston. All you need to do is to install it on your roof vent screen and it automatically starts working. The Automatic Vent Opener works without the usage of electricity and works with with all Palram greenhouse versions only. The solar run Vent Opener will begin to open as temperature ranges inside your greenhouse reach 68 degrees F with full-open at 80 degrees. It installs efficiently and can provide care-free ventilation.
Ingenious temperature-delicate device that automatically opens and closes coldframe lids, greenhouse windows and also skylights. Works during the day and maintain a constant interior climate, something extremely hard to achieve by manual adjustments.
Requires simply no batteries or electricity.
It could be adjusted to begin opening between 60-77°F. Fully open up at 86-90°F. Fully closed at 55°F.
Strongly recommended for almost all our glazed season extenders because it dramatically boosts plant growth.
The hydraulic cylinder comes with a 1 year warranty. The average lifetime of the cylinder can be 5-10 years, even though some can last up to twenty years.
Screw directly into polycarbonate panels, wood, or metal frames. The Standard Vent Opener can open a hinged window or vent weighing as much as 32 lb. For bigger panes use the stronger Gigavent with all metal construction, to lift up to 65 lbs.
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