There are several stages to removing a radiator.
Removing a radiator from a 3rd floor home.
Have something to catch the water ready.
If you have a broken or faulty radiator that needs to be replaced or are getting rid of the thing altogether check out this clip from the ultimate handyman.
Water will drain out as you loosen it so be ready.
Hold the manual control valve with one wrench while you use the other to unscrew the nut that holds them together.
Finally you can unscrew it from the wall take it outside and continue with your project.
Do the same with the other valve the lockshield valve.
The pressurization valve is between your home s water supply and the boiler all you need to do is open it until you get about 1 2 to 1 5 bar and then close it.
First you have to turn the heating off and wait until the pipes are cool to the touch.
The four main steps to remove the radiator.
Next you have to isolate the radiator and drain it down.