Assuming it's part of the central heating system you may be lucky and be able to turn both valves either side of the radiator to off. If you can then disconnect the valves from the radiator.
If you...
YES. ITS IN A HOUSING ON THE HEAD, IN THE STREAM OF THE THE FLUID THE RADIATOR COOLS. THE EASIEST WAY TO FIND IT IS TO FOLLOW THE UPPERMOST HOSE FROM THE RADIATOR TO THE TOP OF THE ENGINE
The radiator helps cool liquids that exits the engine. A tube at the top of the radiator flows the liquid into the radiator. Fans blow air into the radiator and cools this liquid. This liquid is then...
In your car, the radiator transfers its heat to the surroundings - the air. [Strictly, this is conduction, but don't quibble. This is mechanic talk.]In your room, the radiator does radiate heat into...