Auto Vent Opener Automatic Greenhouse Window Opener 45cm 15 Lbs Solar Heat Sensitive Auto Thermo Kit for Greenhouses Hothouse Roof Ventilation

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Temperature Sensor: This greenhouse automatic window opener uses solar energy, no electricity is required, energy saving and environmental protection. As the temperature increases or decreases, the automatic thermostatic window opener will automatically open and close the vents of your garden greenhouse to maintain the optimal growth temperature and prevent your greenhouse from overheating.
Working Conditions: Start to open at 20°C-25°C (68-77°F). The fully open distance is about 45cm / 18in. When the temperature drops below 15°C (60°F), the greenhouse automatic roof vent kit will be completely closed. Maximum load capacity: 7kg (15 pounds).
High Quality: The automatic window opener is made of aluminum and stainless steel, which is durable and can adapt to all kinds of weather. Long-term use is not easy to rust and damage, and has a long service life. The connection structure is stronger and more resistant to wind.
Reminder: Do not use this opener in a place where the temperature exceeds 50° (122F). Please make sure that your greenhouse windows can be opened freely at least 45 cm (18 inches). Do not apply excessive load by locking or covering the windows. Do not disassemble the cylinder, the opener cannot be stopped manually.
Easy to Install: The greenhouse vent controller can be clipped or screwed to your greenhouse frame, easy to install using the provided clamps or screws. No complicated operation is required, and it can be easily installed on the greenhouse vents or windows. It is the ideal choice for your greenhouse windows.

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