could someone please advise as to which nuts to tighten to remove an old radiator...i am attaching two urls showing pics of nuts..the first pic shows nut under thermostatic control ( which i have removed( so i guess i tighten that one..but second pic shows a spindle type thingy & two further nuts below it ( which i have numbered) could someone therefore advise which nut(s) i need to tighten to close of water while radiator is removed..many thanks
http://i141.photobucket.com/albums/r79/worcesterman47/UNTITLED1.jpg
http://i141.photobucket.com/albums/r79/worcesterman47/untitled2.jpg
http://i141.photobucket.com/albums/r79/worcesterman47/UNTITLED1.jpg
http://i141.photobucket.com/albums/r79/worcesterman47/untitled2.jpg