Features and functions

1. Fully automatic greenhouse ventilation
2.Heat activated
3.Fully adjustable to open between 15-25 C (60-77 F)
4.Open window fully to 350mm
5.Suitable for windows up to 7kg
6.Easy fitting by clamps or screws provided
7.No batteries or electricity required

8. With the automatic window openers, you can be sure of an even temperature in your greenhouse day and night.

They allow thermostatic ventilation control through the roof windows of your greenhouse.   

9. Replacement cylinders are available.

Automatic Greenhouse Window Opener, Simple, Strong & Easy to Fit.

Detail Description:

3.Easy to set - one simple adjustment

4.Solar powered - Non electric

5.Strong build

6.Loses no headroom

7.Anodised aluminium construction - All parts corrosion resistant

8.Spring controlled - Resists wind damage when opening and closing

9.Quality assurance - All parts guaranteed for 1 year

Single spring type: HX-T312

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If you are interested in our products,pls feel free to contact me:-)