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Replacement Cylinder for Automatic Vent Opener Black Replacement Greenhouse Vent Window Opener Temperature Controlled Automatic Roof Vent Opener Window Greenhouse Accessories

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$16.99

$ 7 .99 $7.99

In Stock
  • Intelligent Temperature Control: our replacement cylinder for greenhouse automatic vent opener is crafted with smart temperature control; The product automatically opens or closes the roof or window based on changing greenhouse temperatures to prevent extreme high or low temperatures; This allows your plants to thrive in the most conducive environment
  • Time and Energy Efficient: with our replacement cylinder for automatic greenhouse vent opener, you will no longer have to worry about your plants freezing or overheating; It prevents you from the manual effort of opening or closing the windows or roof, saving your invaluable time and energy to invest more in your plants' care
  • Ideal Temperature Range and Durable Quality: this replacement cylinder window opener operates at a fully opening temperature range of 77-86 ℉/ 25-30 ℃ and a minimum opening temperature range of 59-68 ℉/ 15-20 ℃; Made from quality materials including aluminum, stainless steel, and iron, it's durable, easy to use, and doesn't consume any electricity, making it a practical choice
  • Versatile Uses: the adjustable thread design of this automatic greenhouse replacement cylinder is compatible with most openers, including single spring openers, double spring openers, and painted black iron openers; It's a practical and useful tool that can be widely applied for greenhouse windows and ventilation ports in heavy wind conditions
  • Window Greenhouse Replacement Accessories: the replacement cylinder for automatic vent opener serves as a replacement accessory for your existing vent opener; You don't have to replace the entire vent opener if it breaks down, simply replace the cylinder and your opener will function properly



Features:
Ideal gift for garden enthusiasts:
If you know someone who loves gardening, our automatic window opener replacement cylinder can make the wise gift. Help your loved ones preserve their plants from extreme temperature fluctuations,
Kind attention:
This product only includes the replacement cylinder automatic greenhouse window opener. It does not include the complete set of the automatic opener.
Specifications:
Main material: aluminum, stainless steel, iron
Color: black, silver
Size: about 12.4 inches/ 31.5 cm long
Fully opening temperature range: 77-86 ℉/ 25-30 ℃
Minimum opening temperature range: 59-68 ℉/ 15-20 ℃
Package includes:
1 x Replacement cylinder for automatic vent opener
Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.
Note: this product only includes the replacement cylinder automatic greenhouse window opener. It does not include the complete set of the automatic opener.


Robert S. Hoffman
Reviewed in the United States on March 4, 2024
The supposed temperature regulated shaft does not move regardless of temperature. These wax filled cylinders appear to be all made by the same company in China. This one and another that I tried from a different vendor both did not work. A gas filled cylinder is a much better choice. However, not available on Amazon.
Mr B.
Reviewed in the United States on March 31, 2024
Easy to install and is effective but needs to be protected from frost or dismantled during the very cold periods.
Princess Lucky
Reviewed in the United States on March 12, 2024
Overall, the Tellegloww Replacement Cylinder for Automatic Vent Opener worked as intended.I had automatic vent openers in my greenhouse and one of the cylinders finally gave out. These are usually very expensive so imagine my surprise when I found this one for under 20 bucks.It fits on my vent opener even though it's a bit longer than the original cylinder.I did have a problem with the installation though. The damn cylinder wouldn't budge at all. It was stuck. I had to throw it in a freezer and on a heat source when it finally moved. I wish it had come with instructions or tips on compressing it.Would buy again.
David S.
Reviewed in the United States on April 25, 2024
OverviewThe Tellegloww Replacement Cylinder is designed as a component for automatic greenhouse vent openers, meant to operate based on temperature changes. This review evaluates its functionality based on the user's experience with temperature responsiveness and overall performance.Pros- Price: Noted for being more affordable compared to other gas cylinder options, which could be a point of interest for budget-conscious consumers.Cons- Lack of Responsiveness: The cylinder failed to activate at the listed temperatures, showing no movement even when subjected to extreme conditions in a freezer and a solar kiln at approximately 100 degrees Fahrenheit.- Non-Operational: The product did not compress or extend as expected, rendering it ineffective as a replacement for more reliable automatic vent opening systems.Final ThoughtsDespite its attractive price point, the Tellegloww Replacement Cylinder for Automatic Vent Openers does not fulfill its intended purpose. The lack of responsiveness to temperature changes and its failure to operate as described significantly undermines its utility in a greenhouse setting where reliable venting is crucial. Based on this experience, it is difficult to recommend this product as a viable replacement for more dependable gas cylinders. Users considering this replacement should be wary of its operational issues and might need to explore other more reliable alternatives to ensure proper greenhouse ventilation.
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