Replacement Greenhouse Cylinder Window Opener Automatic for Cold Frames Sensor Sensitive Greenhouses Accessories Vent

🌞GOOD REPLACEMENT:This is a replacement cylinder for automatic window opener. The core technology is the hydraulic cylinder which contains a high quality replacement cylinder made of vegetable wax for greenhouse automatic window openers. 🌞 SOLAR POWER:This specially designed greenhouse window opener accessory uses solar power to heat the cylinder to open or close the greenhouse opening when the temperature rises or falls. Automatically responds to weather changes to maintain optimal growing conditions in your greenhouse. 🌞 GREAT ACCESSORY:The Automatic Window Opener Replacement Cylinder requires no power and is perfect for most greenhouses to open or close windows automatically and can be used as a thermostat for your greenhouse window opener. It saves time and effort and also provides better temperature conditions for plant growth. 🌞 GOOD COMPATIBILITY:This replacement cylinder fits most greenhouse window openers with single or double springs. This product is replacement cylinder only, not including the whole set of automatic window opener.DIY Easy and hassle-free installation! 🌞 NOTES ON USE:If the window opener does not work when installed it may be due to the following reasons - 1. incorrect installation method. 2. the cylinder is stuck, you can use a drop of oil on the inside of the cylinder threads and then manually stretch the cylinder a few times. 3. soak the cylinder in 35-45 degrees of warm water for 30 minutes., Manufacturer: samfox