automatic greenhouse vent

The Automatic Vent Opener was made to automatically control the temperature and humidity amounts and offer additional ventilation when needed, making gardening easier. As the air within the greenhouse warms, the vent steadily opens to enable the correct amount of ventilation into the greenhouse and closes when the temperature cools. The vent arm was designed with a steel cylinder containing wax which expands when heated to force a piston, which raises the windowpane, as the atmosphere gets warmer, then contracts since it cools, closing with the use of a springtime and resetting the piston. All you need to do is certainly to install it on your roof vent screen and it automatically starts working. The Automatic Vent Opener operates without the use of electricity and works with with all Palram greenhouse versions only. The solar run 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 will provide care-free ventilation.
Ingenious temperature-sensitive device that automatically opens and closes coldframe lids, greenhouse windows and also skylights. Works throughout the day and maintain a constant interior climate, something not possible 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 most our glazed season extenders since it dramatically boosts plant growth.
The hydraulic cylinder has a 1 year warranty. The average lifetime of the cylinder is certainly 5-10 years, although some can last up to 20 years.

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

Note from the maker: Suggested to lubricate the piston rod yearly, this can help extend the duration of the hydraulic cylinder. Don’t use solid grease, as dust particles “glues” quickly onto the piston rod and will damage the rubber. Also do not forget to unlock the vent in the winter if leaving the vent openers Automatic Greenhouse Vent installed. A good weak winter sun can high temperature the hydraulic cylinder sufficiently to make 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 allows vent to be completely opened for access to the interior.

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