TICFOX Automatic Window Opener - Greenhouse Vent Automatic Opener Autovent Solar Heat Sensitive Automatic Greenhouses Roof

• 【High Quality】The core technology of the window opener is the hydraulic cylinder, which contains a high-quality alternative plant wax cylinder for greenhouse automatic window opener or automatic ventilation as it is commonly called.
• 【Universal】Replacement cylinder is compatible with most single-spring or double-spring greenhouse window openers. Keep your greenhouse from overheating with this greenhouse opener. And easy to use, can be directly glued to the greenhouse frame, or fixed on the greenhouse frame with screws.
• 【Solar Power】This specially designed cylinder containing this wax can be used as a thermostat for a greenhouse window opener without the need for electricity. It heats the cylinder with solar energy. Open or close greenhouse vents as the temperature increases or decreases to maintain optimal growing conditions in the greenhouse.
• 【Replacement cylinder only】Replacement cylinder for greenhouse window opener. Complete set of automatic ventilation openers not included. Easy DIY installation without any obstacles!
• 【Precautions for use】: The window opener does not work after installation: 1. The installation method is wrong. 2. If the cylinder is stuck, you can use oil droplets on the inside of the cylinder thread, and then manually stretch the cylinder several times. 3. Put the cylinder into 35-45 degree warm water for 30 minutes.

Specifications: Greenhouse Window Opener Kit Material: Aluminum Alloy Fully adjustable between 20 - 25 ° C (68 - 77 ° F) Maximum window opening: 45cm / 18 inch Maximum opening weight: 7kg/15lb Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.) Package: 1 x Automatic Window Opener Kit Notes: Do not use this opener anywhere the temperature will exceed 50° (122F) Please ensure your greenhouse window can be opened freely by at least 45cm (18") Do not apply excessive loads by locking or covering window Do not dismantle the cylinder The opener CANNOT stop by manual Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.