Won't happen anytime soon, that's for sure!
Same. Tho, we learned that lesson the hard way, had to replace the glass...
I don't honestly know, Mike in service didn't really know, either, thus the proposal to completely start over with its installation. The door seems to be square, it's screwed into the frame exactly as it came out of there, No clue. But we sure can't use it to check level as @SeaDawg said! I have to use the closet door for that!
When we're in winter conditions, we *have* to keep the door ajar with a little space heater in there to keep the supply lines from freezing.