Summary: Learn how to fit a radiator, fix radiator brackets and install a new radiator.
If you need to install a new radiator, it is easier to replace the old one with one exactly the same as you will only have to drain the radiator of water. However, the situation may be that the new radiator is slightly different in which case you must drain the entire central heating system.
Mark a vertical line on the wall, using a pencil, in line with the position of the radiator's fixing brackets.
Use a wrench to hold the valves still while you tighten the nuts with a spanner.
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