Posted: 17/04/2016 at 14:20
Not sure where I am going wrong here. I am following the instructions but sill not working.
How do you set these things?The current temperature in my greenhouse is 36'C and they are only open 2-4 inches.
I have tried taking them down and putting them in the fridge and refitting. The instructions are not that good.
I am fitting to a wooden green house. when i fit them (cold from the fridge and fully closed) then I wind the rod in a little bit until the windows is open a few mm. I have 4 and one it at the maximum extension and still only open 1 inch.