Description
【Greenhouse Window Opener】: The window opener will automatically open and close your greenhouse windows to control the indoor temperature, we recommend you to buy two at a time.【Sturdy Design】: 2 springs make it very strong, suitable for most greenhouses, run free with solar energy.【Opening Temperature】: The temperature change in your greenhouse will trigger the opening device, the working conditions are - * Start to open - 15°c - 23°c (59f-73f) * Full open temperature 35° (19f) or above * Full open Distance 45cm ( 18") * Maximum open weight 15 kg.【Easy Installation】: Can be fixed on the aluminum frame, or screwed into the frame, including installation instructions, easy to install, adjustable to different temperatures, including screws for accessories (please make sure all accessories are tightened).【Things to Remember】: Please make sure your greenhouse windows are free to open at least 45 cm (18 inches) We provide replacement parts for most items
