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November 16, 2019

The Automatic Vent Opener was designed to automatically control the temperature and humidity amounts and offer additional ventilation when needed, making gardening easier. As the air flow within 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 press a piston, which raises the screen, as the air flow gets warmer, then agreements since it cools, closing with the use of a spring and resetting the piston. All you need to do is certainly to install it on your roof vent home window and it instantly starts working. The Automatic Vent Opener functions without the usage of electricity and is compatible with all Palram greenhouse versions only. The solar powered Vent Opener will start to open as temps within your greenhouse reach 68 degrees F with full-open at 80 degrees. It installs quickly and easily and can provide care-free ventilation.
Ingenious temperature-delicate device that automatically opens and closes coldframe lids, greenhouse windows and even skylights. Works during the day and maintain a continuous interior climate, something impossible to attain by manual adjustments.

Requires no batteries or electricity.
It can be adjusted to start 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 enhances plant growth.
The hydraulic cylinder has a 1 year warranty. The average duration of the cylinder is 5-10 years, although some can last up to 20 years.

Screw straight into polycarbonate panels, wooden, or metal frames. THE TYPICAL Vent Opener can open a hinged windows or vent weighing as much as 32 lb. For bigger panes use the more powerful Gigavent with all metallic building, to lift up to 65 lbs.

Note from the maker: Suggested to lubricate the piston rod annual, this can help extend the lifetime of the hydraulic cylinder. Avoid solid grease, as dust particles “glues” very easily onto the piston rod and may damage the rubber. Also don’t forget to unlock the vent in the wintertime if leaving the vent openers set up. A good weak winter sun can warmth the hydraulic cylinder sufficiently to create it start pushing the piston rod outwards.
This solar vent control will open and close vents, in your solar gem greenhouse. It features two closing springs for extra power. The solar vent opener may be the only Greenhouse Vent Opener solar-driven control with a quick-release mounting bracket. Simply grasp the “clutch” arm and squeeze for easy detachment. This allows vent to be fully opened for usage of the interior.