Features:
1. Brand new and high quality. Made from Thickening Aluminium material, Strong and durable.
2. Prevent greenhouse overheating.
3. Heavy-Duty Twin Springs, designed for durability and strength, making it perfect for long-term greenhouse use, open and close your greenhouse window.
4. As the temperature changes automatically, it maintains the best growing temperature and prevents your greenhouse from overheating.
5. Non-electric, uses solar energy, opens or closes the greenhouse vents as the temperature rises or drops.
6. Easy to install, Can be clamped onto or screwed onto your greenhouse frame.
7. Automatically starts to open with the heat from the sun between 17°C - 25°C, depending on the setup.
8. Maximum opening approx 45cm depending on adjustment and load. 15kg Load Capacity, Effectively supports greenhouse windows up to 15kg for reliable ventilation, Maximum opening at 30°C.
Specifications:
Name: Greenhouse Window Opener Double Spring Kit
Material: Aluminium
Adjustable open temperature range: 17-25 ° C / 62.6-77 ° F
Maximum opening temperature about: 30℃/86℉
Maximum window opening: 45cm / 18 inch
Maximum opening weight: 15kg
Size: As picture
Package:
1 x Double Spring Automatic Window Opener Kit
Notes:
1. Do not use this opener anywhere the temperature will exceed 50° (122° F)
2. Please ensure your greenhouse window can be opened freely by at least 45cm (18")
3. Do not apply excessive loads by locking or covering the window
4. Do not dismantle the cylinder
5. The opener CANNOT stop by the manual
6. Monitors are not calibrated the same, the item colour displayed in photos may be showing slightly different from the real object. Please take the real one as standard.
