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Are you worried about the changing weather, and then unable to provide a suitable growing environment for the plants in the greenhouse in time?
Will you worry that you can't touch window when it is too high?
Decdeal's auto windows opener help you solve these problem!
After installed this temperature controlled automatic vent opener, your window will be opened and closed automatically. It is solar heat sensitive that open the vent when weather warms up and then closing when it cools down. Really works well in maintain the greenhouse within the preferred temperature range.
The double spring window opener can be closed manually. Compared with the single spring vent opener, the double vent opener has stronger thrust force, more solid, and much durable.
(The vent opener with single spring can not be closed manually. Only the vent opener with double spring can be closed manually.)
[High Quality Material] Made of stainless steel, has stronge thrust force, solid, durable, reliable and stable. Universal fit for all aluminum frame greenhouse.
[Auto Adjustment] Solar heat sensitive vent opener, automatic stretch or shrink the vent while the temperature is changing. Auto-opening temperature range is adjustable from 15-25℃(60-77℉) by turning the cylinder. (Clockwise for higher, counter-clockwise for lower)
[High Weighting and Big Opening] Vents weighting up to 7kg/15lb. Maximum opening at about 30℃/86℉(depending on adjustment and load).
[Lustrous, Durable and Rust-proof] Elongated aluminum cylinder with paint spraying, weather resistant. Aluminum frame(Silver Type) or paint psraying galvanized iron frame(Black Type) looks more lustrous, durable and rust-proof. Stainless steel accessories would last long time use.
[Multi-function] Great for variety of occasions, home, office, farm, botanical garden, railway, greenhouse and so on.
Keep Enviroment Comfortable with Automatic Window Opener
After installed this temperature controlled automatic vent opener, your window will be opened and closed automatically.
The windows opener is a great addition for a greenhouse or cold frame, keeps you from constantly having to check your greenhouse.
Solar heat sensitive to open the vent when weather warms up and then closing when it cools down. Really works well in maintain the greenhouse within the preferred temperature range!
Universally fit for all aluminum frame greenhouse
This control allows solar-powered control of top or side mounted window vents.It is flexible to operate, has been properly welded.
Even in the winter's winds and summer's storms, the vent opener enables to work perfectly!
Warm Tips:
Do not heat to more than 50℃(122℉).
Cooling the cylinder for 24 hours before installation.
Do not dismantle the cylinder.（If cylinder were damaged, can order a new one to replace）
Do not apply excessive loads by locking or covering window.
Easy to Assemble:
Comes with all accessories and Instructions.
Sturdy for welding and fabricating, easy for making a fixture to mount it.
Non-electric, use solar energy, you don't need to worry about temperature rise or drop!
The cylinder shaft can go through the nut in the bottom of the lifting arms. The shaft has two holes in it, enables to go into socket in the lifting arms.
More Reliable and Stable
Compared with the single spring vent opener, the double vent opener has stronger thrust force, more solid, and much durable. Universal fit for all aluminum frame greenhouse.
The double spring window opener can be closed manually.
Durable for Use
Holds the cylinder in place, provide long time use. In Greenhouse, this vent opener help you saves plants from baking in the heat!!
Aluminum frame looks more lustrous, durable and rust-proof.
Item Specifications
Material: Aluminum+SS( Silver Type) , Star open at:：15-25℃ (60-77℉) , Fully open at: 30℃/86℉ , Max open distance: 45cm/17.71inch , Load bearing: 7KG / 15lb , Cylinder Length: 33.8cm / 13.3inch , Max heating temperature: 50℃(122℉)