The Automatic Vent Opener was made to automatically control the temperature and humidity amounts and provide additional ventilation when needed, making gardening easier. As the atmosphere within the greenhouse warms, the vent gradually opens to enable the correct amount of air flow into the greenhouse and closes when the temperature cools. The vent arm was designed with a steel cylinder that contains wax which expands when heated to force a piston, which raises the windowpane, as the surroundings gets warmer, then agreements as it cools, closing with the usage of a spring and resetting the piston. All you need to do is definitely to install it on your own roof vent home window and it instantly starts working. The Automatic Vent Opener operates without the utilization of electricity and is compatible with all Palram greenhouse models 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-sensitive device that automatically opens and closes coldframe lids, greenhouse windows and also skylights. Works during the day and maintain a constant interior climate, something unattainable to achieve by manual adjustments.

Requires no batteries or electricity.
It could be adjusted to start 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 since it dramatically boosts plant growth.
The hydraulic cylinder has a 1 year warranty. The common lifetime of the cylinder is usually 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 bigger panes use the more powerful Gigavent with all steel structure, to lift up to 65 lbs.

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