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How to hang a radiator

Skill Level: Intermediate


You may be lucky and find your new radiator fits perfectly to your old brackets. If not, fitting new brackets to align the radiator requires some precise measuring and marking.

If you are only removing a radiator temporarily, or if you are replacing it with a new one of similar width, you do not need to drain drown the whole system.


The first thing to do

First, lay the new radiator on its front, on the floor. Unless you are doing this on a carpeted floor – lay cardboard underneath it, or some other form of protection in order to avoid scratching the paintwork.
Position the brackets on the radiator as they will hang when fixed to the wall.

Measuring accurately

Measure accurately the distance from the top of the bracket to the centre of the tapping where the valve will fit.
Note the measurement on the wall.

Valve height must be the same

Make sure the valves are both at the same height. An elastic band can be wrapped around the pipe to hold it temporarily
Transfer the level from the centre of the valve to the wall. Measure up to give the height of the top of the bracket.

Fixing the brackets to the wall

Fix the bracket with suitably sized wood screws and plugs, or steel plasterboard plugs.
For heavier loads/radiators, make and fix timber supports.
Trial hang the radiator to line up with the valves and mark the lower fixing hole on the brackets.
Then it’s just a matter of re-hanging and tightening up the valves.

Safety First!

Bathroom radiators should always be earth bonded to the pipes. Drill a small hole in the back fin (not in the water section) and attach a bolt and earth wire.

Switching back on

When both valves have been reconnected, turn on each valve very slightly to let the water back in slowly – if you do this too fast an air lock may form in the pipe. Shut off the air vent when water starts spurting out.

Tools you will need:
Stanley Fatmax Parallel & Phillips 5pc Screwdriver Set
Stanley Fatmax Parallel & Phillips 5pc Screwdriver Set
- Radiator Key - Brass
Radiator Key - Brass
- P.T.F.E. Tape 12mm x 12m - Twin Pack
P.T.F.E. Tape 12mm x 12m - Twin Pack

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