Solar Heat Sensitive Auto, Greenhouse Window Opener for Ventilation, Large Temperature Activated Kit - Non Electric, Self Adjusting, Ideal for Indoor and Roof Gardening

Description:Prevent greenhouse overheating.Ideal for your greenhouse window--opens and closes your greenhouse window. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. Can be clamped onto or screwed onto your greenhouse frame.Important notice: 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 windowDo not dismantle the cylinder The opener CANNOT stop by manual Specifications:Maximum window opening: 45cmMaximum opening about: 30° depending on adjustment and load Maximum opening weight: 7kg/15lb Adjustable open temperature range: 15°- 25°/60°-77F Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.)Package included:1 x Automatic window openerNote: Due to the upgrade of this item, the 11th part showed in manual is not included. Please take the real one as standard.

• [Automatic Temperature Control]: Opens and closes greenhouse vents automatically using solar energy to maintain optimal growing temperature and prevent overheating in your greenhouse.
• [Easy Installation]: Can be clamped or screwed onto most greenhouse window frames for secure fit and reliable operation without electrical wiring or complex setup.
• [Durable Construction]: Crafted with high-quality materials ensuring long-lasting performance and resistance to weather elements for consistent ventilation control.
• [Versatile Use]: Suitable for DIY ventilation systems including roof vents, skylights, and large heater openings in indoor or outdoor gardening environments.
• [Energy Efficient Design]: Fully solar-powered and temperature activated, eliminating the need for batteries or electricity while providing eco-friendly climate regulation.