automatic greenhouse vent

The Automatic Vent Opener was made to automatically Automatic Greenhouse Vent control the temperature and humidity levels and offer additional ventilation when needed, making gardening easier. As the air inside the greenhouse warms, the vent steadily opens to allow the right amount of air flow in to the greenhouse and closes when the temperature cools. The vent arm was designed with a metal cylinder containing wax which expands when heated to press a piston, which raises the windowpane, as the surroundings gets warmer, then contracts 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 immediately starts working. The Automatic Vent Opener operates without the usage of electricity and works with with all Palram greenhouse versions only. The solar run Vent Opener will begin to open as temperatures within your greenhouse reach 68 degrees F with full-open at 80 degrees. It installs efficiently 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 difficult to achieve by manual adjustments.

Requires 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 since it dramatically improves plant growth.
The hydraulic cylinder has a 1 year warranty. The average duration of the cylinder is certainly 5-10 years, although some can last up to twenty years.

Screw straight into polycarbonate panels, wood, or metal frames. The Standard Vent Opener can open a hinged screen or vent weighing just as much as 32 lb. For bigger panes use the more powerful Gigavent with all steel building, to lift up to 65 lbs.

Note from the manufacturer: Recommended to lubricate the piston rod yearly, this can help extend the lifetime of the hydraulic cylinder. Avoid solid grease, as dirt particles “glues” very easily onto the piston rod and can damage the rubber. Also do not forget to unlock the vent in the winter if departing the vent openers installed. Even a weak winter sun can temperature 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 strength. The solar vent opener may be the only solar-driven control with a quick-release mounting bracket. Simply grasp the “clutch” arm and squeeze for easy detachment. This enables vent to be fully opened for usage of the interior.

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