

Get a hold of the janitor. As simple as it might seem, this is not something you want to do yourself in a multistory building.
You’ll need to have access to the boiler room and the topmost radiator. There’s probably a good reason why you don’t.
If you open that screw, you’ll only let more air into the system and potentially get a lot of smelly water on your floor.













It’s not a reference to any particular drive. It’s just that Germans drove tanks into Poland at the start of WW2. The dual meaning of the word “tank” is the pun.