Greenhouse Vent Automatic Opener, Greenhouse Window Opener Cylinder Solar Window Opener Temperature Control Hydronic Window Opener Solar Heat Sensitive Hothouse Vent Opener Kit

Features:
1. The greenhouse opener can prevent greenhouse overheating
2. Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
3. The greenhouse vent automatic opener can be clamped onto or screwed onto your greenhouse frame
4. The greenhouse window opener is ideal for your greenhouse window–opens and closes your greenhouse window
5. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating

Specifications:
Greenhouse Window Opener Kit
Material: Aluminum Alloy
Maximum window opening: 45cm
Maximum opening about: 30°, depending on adjustment and load
Maximum opening weight: 7kg/15lb
Adjustable open temperature range: 20°- 25°/68°-77F
Size: Approx. 38×9.5x5cm / 15.0×3.7×2.0in

Package:
1 x Automatic Window Opener Kit

Notes:
1. Do not use this opener anywhere the temperature will exceed 50° (122F)
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 window
4. Do not dismantle the cylinder
5. The opener CANNOT stop by manual
6. 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.

Automatic Outlet Valve: The greenhouse window opener consumes no electricity and requires no batteries or electricity. The temperature changes automatically to maintain the optimal growth temperature and prevent the greenhouse from overheating
Solar Energy: Non-electricity that uses solar energy when the temperature rises or falls opens or closes the greenhouse openings. The solar heat sensitive vent can lift up to 15 pounds. The cylinder can be closed well before freezing and then opened again
Easy Installation: The window opener is equipped with screws that can be screwed directly into the plate using a screwdriver in a wooden or metal frame, which is very simple and convenient. If necessary, you will need to use a drilling tool to tighten and secure the catheter
High Quality Galvanized Steel: The greenhouse window opener is made of galvanized steel, which has weather proof, durability and rust proof. The aluminum frame looks shiny, durable and rustproof
Greenhouse Assistant: The greenhouse vent automatic opener can prevent the greenhouse from overheating. The greenhouse window opener is ideal for opening and closing greenhouse through greenhouse . Open -15 ° C-25 ° C (60 ° -77F), full opening temperature 35 ° (19f) or more, full opening distance 45 cm (18 inches)