1 radiator in house cold, pipes into it are cold aswell?? i have this problem. 1 radiator in the spare bedroom is cold, the pipes leading inot the radiator are cold as well. i have tried bleeding them, i have tried balancing the System i have even takne off the radiator and cleaned it out but still no joy. im not a plumber, the radiator i have has the two pipes going in at one end, rather than one at each end. when i took the radiator off the wall the hot and cold water were comming through fine, now i fine the pipes going into the radiator are cold, on the odd day they are warm. what can i do???