Greenhouse: Part 2 of I ordered my greenhouse!!! Putting it together!, 1 by daisyruffles

daisyruffles wrote:
My older son came home from college last nite as a surprise so I used him to help me put up this automatic vent. It has wax (paraffin) inside that black cylinder. Were to put it in the refrig. to get it cold so it will contract. Was a doozy to put up. We didn't do it right the first time. Had a heck of a time getting a screw out of the cylinder to redo it right. We got it to work but I still have an inch or so of it not closing. Will need to work with it.

It is to open up around 65 deg. Is kind of cool as it does work with heat. It does open and close as it warms up and cools off.