HEEPDD Solar Heat Sensitive Automatic Double Spring Vent Autovent Thermo Actuator Ventilation Freshmatic Automatic for Window Openers

Maximum window opening: 45cm

Specifications:

Note: Due to the upgrade of this item, the 11th part showed in manual is not included. Please take the real one as standard.

Adjustable open temperature range: 15°- 25°/60°-77F

Package included: 1 x Automatic window opener

Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch (appr.)

Maximum opening about: 30°

depending on adjustment and load Maximum opening weight: 7kg/15lb

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 window Do not dismantle the cylinder The opener CANNOT stop by manual

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.

EASY TO INSTALL:Equipped with screws, can be installed directly with clamps(not included) or screws, very simple and convenient. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
ENVIRONMENTAL FRIENDLY:Non electric, uses solar energy,open or close the greenhouse window as temperature rises or drops. This solar heat sensitive auto vent opener can lift up to 15 lbs. The cylinder closes well before deep freezing and opens again without problem.
? ¡¾Mainly Designed for¡¿ This solar heat sensitive auto thermo is specially designed for your greenhouse window, it can be used to open and close your greenhouse window.
Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.