Greenhouse Vent Opener

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 air inside the greenhouse warms, the vent gradually opens to enable the correct amount of air flow in to the greenhouse and closes when the temperature cools. The vent arm was made with a metallic cylinder that contains wax which expands when heated to force a piston, which raises the windowpane, as the surroundings gets warmer, then contracts since it cools, closing with the usage of a spring and resetting the piston. All you need to do is to install it on your roof vent windows and it instantly starts functioning. The Automatic Vent Opener works without the utilization of electricity and works with with all Palram greenhouse versions only. The solar driven Vent Opener will start to open as temperatures within 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 continuous interior climate, something not possible to accomplish 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 almost all our glazed season extenders because it dramatically increases plant growth.
The hydraulic cylinder comes with a 1 year warranty. The average duration of the cylinder can be 5-10 years, even though some can last up to twenty years.

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

Note from the manufacturer: Suggested to lubricate the piston rod yearly, this will help extend the lifetime of the hydraulic cylinder. Don’t use solid grease, as dust particles “glues” very easily onto the piston rod and may harm the rubber. Also don’t forget to unlock the vent in the wintertime if departing the vent openers set up. A good weak winter sun can warmth the hydraulic cylinder sufficiently to create it start pressing 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 is the only solar-run control with a quick-release mounting bracket. Simply grasp the “clutch” arm and squeeze for easy detachment. This enables vent to be completely opened for usage of the interior.

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