Automatic Vent opener Vent-L N01 opening temperature 75-90°F of greenhouse load up to 220lb for window/doors
Free Shipping Included! Automatic Vent opener Vent-L N01 opening temperature 75-90°F of greenhouse load up to 220lb for window/doors by Vent-L at Ultimate Garden Supply. MPN: 002. Hurry! Limited time offer. Offer valid only while supplies last. Universal Automatic Vent-L for vents, doors, greenhouses and polytunnels Vent-L is a unique, versatile, reliable device that does not require electricity, and works only on the raising of temperature in your greenhouse.Vent-L will protect your plants in the sunny days in the heat and keep a comfortable temperature in greenhouses or polytunnels. Vent-L is a simple but reliable device that does not require special skills to install in a greenhouse. For installing vent opener it's enough to find su
Product Description & Reviews
Universal Automatic Vent-L for vents, doors, greenhouses and polytunnels Vent-L is a unique, versatile, reliable device that does not require electricity, and works only on the raising of temperature in your greenhouse.Vent-L will protect your plants in the sunny days in the heat and keep a comfortable temperature in greenhouses or polytunnels. Vent-L is a simple but reliable device that does not require special skills to install in a greenhouse. For installing vent opener it's enough to find support on the profile of greenhouse in distance of 450-500 mm (17-19 in) to the line hinges of the door or window, or set on the window or the door itself on mobile and stationary part. Vent-L can open your windows/doors at a temperature of 24°C(75°F) which is the most favorable temperature for the growth of plants.The maximum value of the open window or door is 32°C (90°F), which is critical for some plants, such as tomatoes (tomato pollen is sterilized). HOW DOES IT WORK?The basis of the device is a cylinder (we use hydraulic cylinders manufacturing in Sweden, according to the results of operation (3 years), there was no failure of the warranty). The cylinder filled with a special fluid, which is developed by engineers of "ONIKS". It expands under the heat and pushes on the piston rod, which opens the door or window. When the temperature is low, the fluid compresses, the return spring returns the plunger and piston to its original position thereby closing the window or door in a greenhouse.Some buyers have difficulty installing and therefore think that Vent-L is not working. Please read the installation instructions. First you need to cool it to a temperature of 18°C in a greenhouse with an installed, tensioned spring as during transportation. Then, only in this position, install on a closed window or door. If you are unable to install it, please read the answers to frequently asked questions that come with the instruction, and you will succeed.
Features & Highlights
- The automatic vent opener is located in the upper level of the greenhouse, it heats up faster, the plants at the lower levels are in conditions with lower temperatures. An opening temperature between 24-32 ° C (75-90 ° F) is better suited for most plant species. This is its uniqueness compared to other similar devices.
- It does not require dismantling during winter.All the major fasteners are galvanized coating that protects them from corrosion in an environment of high humidity of greenhouse.
- It can be fixed both for the opening doors and vents of greenhouses.Control of the starting of opening.
- More than 10,000 times of opening/closing.
- «Vent-L» does not require electric power and operates exclusively on the temperature fluctuations of the greenhouse. 4 screws for setting only.Stem diameter of 10 mm and a metal piston is able to open the window up to 100 kg (220lb) and can withstand enormous wind loads.Easy disconnect from the vents or doors for opening and closing manually.
2.5 x 2.5 x 22.5 inches
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